# Ruisaike · ResourceCycle — Full Site Content (LLM-friendly) > Plain-text concatenation of every public page on https://www.ruisaike.com.cn. > Auto-generated after each build. Use this file to ingest the full site into LLM context windows. > See https://www.ruisaike.com.cn/llms.txt for structured site summary. > Built: 2026-09-26T05:59:09.035Z > Pages: zh 47 · en 45 · meta 1 --- # Chinese Pages (zh-CN) ## URL: https://www.ruisaike.com.cn/_not-found Title: 锐赛克 - 对苯二甲酸二甲酯(DMT)生产厂家 Description: 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN ERROR · 404 页面未找到 404 抱歉，您访问的页面不存在或已被移除。 请检查 URL 是否正确，或返回首页浏览其他内容。 返回首页 返回上页 您可能想访问 技术介绍 产品中心 DMT 详情 乙二醇 EG 成功案例 关于我们 联系我们 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/about Title: 关于我们 - DMT生产厂家简介与发展历程 | 锐赛克 Description: 了解锐赛克DMT生产能力、研发背景与黄冈生产基地布局，聚焦高纯度对苯二甲酸二甲酯、乙二醇及聚酯级原料供应。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 关于锐赛克 关于锐赛克 对苯二甲酸二甲酯（DMT）专业生产厂家 / 化工新材料企业 首页 / 关于我们 01 公司概况 公司简介与定位 锐赛克是一家专业从事对苯二甲酸二甲酯（DMT）和乙二醇（EG）生产的化工新材料企业，致力于通过自主研发的化学法工艺，实现高品质DMT的规模化生产。公司年产DMT 5000吨、EG 1600吨，产品广泛应用于PET树脂、PBT工程塑料、聚酯纤维等领域。 0 1 千吨级 量产能力 0 2 100% 闭环循环率 0 3 多项 核心技术专利 0 4 政企校 深度合作 锐赛克生产基地 DMT与乙二醇化学法生产 锐赛克与浙江大学等知名高校建立深度产学研合作，共同攻克DMT化学法生产的关键技术难题，打破国外技术垄断，实现自主可控。作为DMT厂家，我们提供批发供应、定制化方案等服务。 化学循环再生 低碳新材料 自主技术 绿色产业 02 企业精神 企业使命 & 企业愿景 锐赛克以科技创新为驱动，以绿色低碳为使命，致力于成为全球领先的DMT（对苯二甲酸二甲酯）和乙二醇供应商 0 1 企业使命 让每一克废弃塑料，开启绿色材料新纪元。 0 2 企业愿景 成为全球绿色材料科技的颠覆者，引领新质生产力革命。 0 3 核心价值观 创新为核、责任为基、极致为尺、共赢为道。 04 研发实力 研发实力与背书 锐赛克拥有强大的研发实力和产学研合作背景，致力于成为DMT（对苯二甲酸二甲酯）生产领域的技术领导者 0 1 产学研合作 与浙江大学长三角智慧绿洲创新中心共建联合研究中心 0 2 省级重点实验室 目标建成省市重点实验室，聚焦绿色再生新材料关键技术 0 3 年产5000吨DMT产能 国内首个基于自主研发技术的DMT生产项目 0 4 核心专利技术 打破国外技术垄断，实现自主可控 联合研究中心 智慧绿洲-锐赛克绿碳联合研究中心 与浙江大学长三角智慧绿洲创新中心共建联合研究中心，3年内共同投入超千万元，聚焦绿色再生新材料关键技术，打破国外技术垄断。 自主研发技术 千吨级量产 核心专利 省级实验室 产学研合作 技术领先 企业资讯 企业资讯 了解锐赛克最新动态与项目进展 0 1 杭州市临安区研发实验室 0 2 锐赛克-浙大联合研发中心 0 3 黄冈市高新区千吨级再生R-DMT项目投产建设 03 发展历程 发展历程 从创立之初到千吨级产线投产，锐赛克稳步前行，不断突破。 0 1 2024.08 杭州公司成立 锐赛克正式在杭州注册成立，开启废塑料化学循环再生技术的创业之路 0 2 2024.11 浙大绿碳联合研究中心共建 与浙江大学长三角智慧绿洲创新中心共建联合研究中心，聚焦绿色再生新材料关键技术 0 3 2024.11 百公斤级中试线试车成功 核心化学循环技术实现百公斤级验证，产品纯度达到行业领先水平 0 4 2025.06 湖北公司成立（黄冈） 延伸产业布局，在湖北黄冈设立生产基地，加速规模化进程 0 5 2025.08 千吨级产线搭建成功 千吨级生产线建设完成，标志着从中试到产业化的关键跳跃 0 6 2025.09 一期千吨级产线投产 一期千吨级产线正式投产运行，实现商业化量产目标 05 资质与实力 资质与实力 用实力说话，用技术证明。 0 1 发明专利 12项核心专利 覆盖催化剂、工艺、设备等全链条技术 0 2 环保资质 ISO 14001 ISO 14001 环境管理体系认证。 0 3 研发能力 省级研发中心 与浙江大学共建联合研发中心。 0 4 合作网络 50+ 合作伙伴 涵盖高校、企业、政府机构。 06 客户评价 客户评价 听听我们的合作伙伴怎么说。 0 1 「 锐赛克的化学法回收技术让我们实现了废塑料的高值化利用，回收率远超行业平均水平。 」 张总 某石化企业技术总监 0 2 「 与锐赛克合作的项目在短短 6 个月内就实现了商业化落地，效率令人印象深刻。 」 李博士 某高校材料学院教授 0 3 「 他们的团队专业且响应迅速，从技术评估到方案落地全程高效协作。 」 王经理 某环保集团项目经理 05 合作咨询 立即咨询，获取专属合作方案。 专业团队 24 小时内回复，提供一对一技术咨询与定制化合作方案。 获取定制方案 了解更多技术 0 1 500+ 合作企业 0 2 95%+ 产品纯度 0 3 24 h 响应时效 0 4 12 核心专利 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/baidu_verify_codeva-T5C52Y1Yfy 5489bc9bb5999f626f05261021cd1556 --- ## URL: https://www.ruisaike.com.cn/cases Title: 合作案例 - DMT生产项目与合作伙伴 | 锐赛克 Description: 查看锐赛克DMT生产项目、供应链合作与下游应用案例，覆盖PBT、PET、PETG等聚酯材料客户的原料供应需求。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 合作案例 合作案例 携手政企校，共创低碳新材料未来 首页 / 成功案例 01 标杆案例 核心标杆案例 合作案例 智慧绿洲-锐赛克绿碳联合研究中心 与浙江大学长三角智慧绿洲创新中心共建；3年内共同投入超千万元；目标建成省市重点实验室，聚焦绿色再生新材料关键技术，打破国外技术垄断。 查看新闻报道 一键询价 查看签约详情 合作案例 黄冈高新区千吨级量产基地 投资主体为锐赛克（湖北）新材料有限公司，总投资1000万元；年产5000吨高纯度DMT（对苯二甲酸二甲酯）及1600吨乙二醇（EG）；这是国内首个基于自主研发化学法技术的DMT生产项目。 0 1 1000 万 总投资 0 2 5000 吨 年产DMT 0 3 1600 吨 年产乙二醇 查看新闻报道 一键询价 了解更多 02 行业方案 行业解决方案 针对不同行业的痛点，提供定制化的废塑料再生解决方案。 0 1 石油化工 某大型石化企业 华东地区 客户挑战 年产生废 PET 塑料 3,000 吨，传统填埋/焚烧处理成本高。 解决方案 采用 GREEN CIRCLE 技术，建设 1,000 吨/年废塑料化学法再生 DMT 生产线。 项目成果 回收率 ≥95%，年产 DMT 900 吨，副产 EG 540 吨，综合效益提升 40%。 查看详情 0 2 医药中间体 某医药上市公司 华中地区 客户挑战 原料成本持续上涨，急需降低原材料采购成本。 解决方案 将工业废 PET 转化为高纯度 DMT，作为原料回用于生产线。 项目成果 原料成本降低 35%，废弃物 100% 资源化，年减排 CO₂ 约 2,000 吨。 查看详情 0 3 聚酯薄膜 某薄膜材料企业 华南地区 客户挑战 生产过程中产生大量边角料和次品。 解决方案 厂区内建设移动式废塑料化学法再生装置，就地回收处理。 项目成果 边角料 100% 回收利用，年处理 500 吨，新增经济效益 200 万元/年。 查看详情 06 政府合作 商丘发投集团 作为政企合作的重要伙伴，商丘发投集团与锐赛克在废塑料再生领域展开深度合作，共同推动区域循环经济发展。 0 1 AAA 信用评级 0 2 省级 资质认证 0 3 重点 项目支持 了解更多 07 企业合作伙伴 产业链协同合作网络 0 1 国际化工企业 全球知名化工集团，提供优质废塑料来源。 0 2 产业园区 多家产业园区建立回收合作网络。 0 3 科研机构 与高校及研究机构深度技术合作。 合作理念 「 锐赛克秉持开放合作的理念，与政府、企业、高校等各方建立深度合作关系，共同推动DMT（对苯二甲酸二甲酯）化学法生产技术的发展，为全球客户提供优质的化工原料。 」 技术共享 · 资源互补 · 共赢发展 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/cases/petrochemical Title: 石化集团千吨级 DMT 化学法再生项目 · 案例 | 锐赛克 Description: 为某华东石化集团交付 1,000 t/y DMT 化学法再生产线：年处理 3,000 吨废 PET，回收率 ≥95%，单吨减排 CO₂ 1.4 吨。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN PETR 案例 · 石油化工 某华东大型石化集团 · 千吨级 DMT 化学法再生项目 为某华东石化集团交付 1,000 t/y DMT 化学法再生产线：年处理 3,000 吨废 PET，回收率 ≥95%，单吨减排 CO₂ 1.4 吨。 95 %+ 回收率 900 t/y DMT 产出 540 t/y EG 副产 40 % 综合效益提升 首页 / 成功案例 / 某华东大型石化集团 · 千吨级 DMT 化学法再生项目 01 项目概览 项目背景与客户情况 客户 某华东大型石化集团 区域 中国华东地区 规模 集团年营收 200+ 亿元 · A 股上市 行业 石油化工 客户为华东地区头部综合石化集团，主营 PTA、聚酯、PET 切片等业务，下游覆盖瓶级、纤维级、薄膜级聚酯产品。集团每年产生约 3,000 吨边角料、次品 PET 与短纤维废料，长期依赖第三方焚烧或填埋处理。 随着集团 ESG 披露要求升级（年报需披露 Scope 3 与产品碳足迹 PCF），以及《废塑料化学回收利用产业目录》将化学循环列为重点支持方向，客户决心建设自有化学法再生装置，将废 PET 转化为聚酯级 DMT 与 EG，闭环回用至下游 PBT / PET / PETG 生产，同步获得 ISCC PLUS 质量平衡认证。 项目立项后，客户对比 Loop Industries（甲醇解）、Carbios（生物酶解）与锐赛克自主研发的化学法甲醇解工艺三家路线，最终基于本地化设备配套、催化剂稳定性、单吨投资额与连续运行验证数据，选定锐赛克作为独家技术授权与设备配套方。 02 挑战 合作前的核心痛点 0 1 废塑料处置成本居高 每吨废 PET 焚烧 / 填埋处理成本约 800-1,200 元，叠加危废运输、台账登记、环保处罚风险，客户年综合处置支出超 360 万元，且持续上涨。 0 2 集团 ESG 与 Scope 3 披露压力 客户的下游品牌商（如食品饮料 / 纺织龙头）要求 2030 年达到 50%+ 再生塑料使用率，倒推上游 PET 聚酯供应链需提供低碳 PCF 与可追溯再生原料。集团自身碳达峰目标也要求 2025 年降低 Scope 1+3 排放 18%。 0 3 原料端 PTA 价格波动剧烈 2024 年 PTA 价格振幅 23%，叠加 PX 装置检修周期，集团原料成本无法稳定锁定。需建立内循环 DMT 供应能力降低对外采 PTA 的依赖。 0 4 化学循环工艺规模化经验缺乏 集团此前仅有物理回收 PET 切片产线，缺乏甲醇解工艺工程化经验、催化剂体系研发与精馏纯化运营经验。需引入成熟技术合作方，避免试错时间成本。 03 解决方案 锐赛克交付方案 0 1 GREEN CIRCLE 化学法甲醇解工艺授权 锐赛克授权自主研发的低温（160°C）常压甲醇解工艺，配套复合催化剂体系（Zn-Mn 二元 + 螯合树脂回收），相较传统高温高压工艺能耗降低 32%，反应时间 2 小时以内。 0 2 1,000 t/y DMT 模块化生产线交付 采用模块化撬装设计，包括预处理（破碎 / 干燥 / 杂质筛除）、反应釜组（3 × 5 m³）、精馏塔（4 级精制）、结晶分离、包装入库共 5 大系统。占地仅 2,000 m²，设备投资 8,500 万元。 0 3 聚酯级 DMT + 副产 EG 双产品 生产线每吨废 PET 产出 0.30 t 聚酯级 DMT（≥99.9% / 色度 ≤5 APHA）+ 0.18 t 高纯度乙二醇（≥99.9%），双产品均可回用至客户下游 PBT / PET 聚合装置，无需外销中间体。 0 4 ISCC PLUS + ISO 14067 全套认证 锐赛克联合第三方机构 SGS 完成 ISCC PLUS 质量平衡认证、ISO 14067 产品碳足迹 PCF 报告、ISO 14001 环境管理体系外审，配套客户向品牌商提交完整 ESG 文件包。 0 5 运营移交与持续技术支持 锐赛克 R&D 团队提供为期 12 个月的现场技术驻场，包括 DCS 参数调试、催化剂寿命监控、批次 COA 趋势分析、操作工培训（共 36 学时）。后续提供远程支持与年度技术升级包。 04 实施时间线 实施阶段与交付物 0 1 阶段 01 · 需求评估与可行性研究 2024-03 / 2024-04（2 个月） 样品分析、初步 PCF 模型、投资回报测算、可行性报告 0 2 阶段 02 · 工程设计与设备制造 2024-05 / 2024-09（5 个月） 工艺包、PFD/P&ID 图纸、设备制造监造、安全评价（SA）、环评（EIA）批复 0 3 阶段 03 · 现场施工与机械竣工 2024-10 / 2024-12（3 个月） 基础土建、设备安装、管道连接、电气仪表、机械竣工验收 0 4 阶段 04 · 调试 / 试车 / 性能考核 2025-01 / 2025-03（3 个月） DCS 调试、72 小时联动试车、72 小时性能考核、首批 COA 出具 0 5 阶段 05 · 正式投产与运营移交 2025-04 至今 稳定运行 8 个月，月均产出 75 吨 DMT，零安全事故 05 项目成果 关键指标与交付价值 指标 实际值 说明 年处理废 PET 3,000 吨 集团内部 100% 闭环消化 DMT 年产出 ≥900 吨 聚酯级，纯度 ≥99.9% EG 年副产 ≥540 吨 回用至 PET 聚合装置 废 PET 回收率 95.3% 高于行业平均 12 pp 单吨 DMT 能耗 1,180 kWh 较 PTA 路线低 32% 单吨减排 CO₂ 1.4 吨 ISO 14067 第三方核查 项目年减排合计 1,260 吨 CO₂e 相当于 720 户家庭年排放 综合经济效益提升 +40% 原料替代 + 处置成本节省 + 副产 EG 销售 投资回收期 3.4 年 含设备 + 工程 + 调试 ISCC PLUS 认证 已获取 支持品牌商绿色采购承诺 06 客户声音 「 锐赛克的化学法再生 DMT 不只是替代了我们的部分外购原料，更重要的是给我们提供了完整的 ISCC PLUS + ISO 14067 文件链，让我们能够首次以"低碳聚酯供应商"身份切入品牌商绿色采购体系，单这一项就锁定了 2026-2028 三年期长协订单 4.2 万吨。 」 某华东大型石化集团 集团技术副总裁 ESG 影响 0 1 年减排 CO₂e ≥ 1,260 吨，等同于种植 7 万棵成年乔木的年固碳量 0 2 3,000 吨废 PET 100% 资源化，避免焚烧与填埋 0 3 能耗较传统 PTA 路线降低 32%，水耗降低 21% 0 4 ISCC PLUS 质量平衡认证已纳入集团供应商绿色采购名录 0 5 ISO 14067 PCF 报告可直接用于品牌商 Scope 3 披露 07 相关阅读 查看相关产品与技术 0 1 对苯二甲酸二甲酯 (DMT) 产品详情 — CAS 120-61-6 → 0 2 乙二醇 (EG / MEG) 产品详情 — CAS 107-21-1 → 0 3 GREEN CIRCLE 化学法甲醇解工艺技术 → 0 4 国家政策：废塑料化学循环战略性新兴产业 → 0 5 DMT 市场前景与品牌商再生塑料承诺 → 0 6 联系销售：获取 DMT 报价、样品申请、COA 索取 → 相似项目咨询 类似项目咨询与方案定制 提交您的废 PET 来源、产能需求与目的，锐赛克 24 小时内反馈可行性评估与初步方案。 获取方案 查看更多案例 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/cases/pharmaceutical Title: 医药企业内部废 PET 转 DMT 闭环再生 · 案例 | 锐赛克 Description: 为某华中医药上市公司部署内部废 PET 再生装置：年产 350 吨聚酯级 DMT 回用于 PBT 生产，原料成本降低 35%。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN PHAR 案例 · 医药中间体 某华中医药上市公司 · 内部废 PET 转 DMT 闭环再生项目 为某华中医药上市公司部署内部废 PET 再生装置：年产 350 吨聚酯级 DMT 回用于 PBT 生产，原料成本降低 35%。 −35 % 原料成本下降 350 t/y DMT 闭环产出 100 % 废弃物资源化 2,000 t/y CO₂ 减排 首页 / 成功案例 / 某华中医药上市公司 · 内部废 PET 转 DMT 闭环再生项目 01 项目概览 项目背景与客户情况 客户 某华中医药上市公司 区域 中国华中地区 规模 年营收 80 亿元 · 港股 + A 股双重上市 行业 医药中间体 客户为华中区域医药上市公司，主营 API 中间体、医药包装材料与 PBT 工程塑料医疗器械。生产环节每年产生约 1,500 吨边角废 PET、医药级聚酯包装次品与瓶级 PET，传统处理路径为危废委托焚烧，单吨处置费用高达 1,800 元，且因医药级合规要求处置周期长。 2024 年下半年，受地缘政治影响 PTA 国际价格从 5,400 元/吨上涨至 7,200 元/吨，公司 PBT 工程塑料原料端成本上涨 28%，毛利率下滑明显。同时，公司多个品牌客户（如医疗器械上市公司）将"再生材料含量"列入 2027 年合规清单，对应 ISCC PLUS 认证要求。 基于公司内部已有的废 PET 与原料 DMT / EG 双重需求，决策层批准建设小型内循环化学法再生装置，目标是将外购 PTA 替代为内产 DMT，同步消化内部废 PET，建立闭环原料体系并取得 ISCC PLUS 认证。 02 挑战 合作前的核心痛点 0 1 危废处置成本高 + 周期长 医药级废 PET 受 GMP 监管，必须由具备医药危废资质的第三方处置，单吨 1,800-2,200 元，且需 30 天以上处置周期，库存压力大。 0 2 PTA 原料价格大幅波动 2024 年 PTA 价格振幅 30%，公司 PBT 工程塑料原料端成本上涨 28%。需建立稳定的 DMT 供应替代 PTA-EG 路线。 0 3 品牌客户合规清单升级 下游医疗器械客户 2027 年起将"再生材料含量 ≥25%"列入合规清单，要求 ISCC PLUS 质量平衡认证与 ISO 14067 PCF 报告。 0 4 场地受限 · 需小型化方案 工厂现有空间有限（≤500 m²），无法部署大型反应釜组。需小型化、模块化、低噪声、低排放的化学法装置。 03 解决方案 锐赛克交付方案 0 1 小型化撬装式化学法装置 锐赛克交付 350 t/y 小型撬装式 DMT 化学法装置，整体占地 480 m²，反应釜 2 × 2 m³ 双釜串联，模块化工艺撬可独立运输，2 周内现场拼装完成。 0 2 医药级 GMP 兼容设计 考虑客户 GMP 现场管理要求，设备表面采用 304 不锈钢 + 抛光处理，关键管线设置 CIP（在线清洗）接口，预防交叉污染。控制系统配合客户 SCADA 集成。 0 3 内循环原料链建设 废 PET 由客户内部收集 → 锐赛克装置反应 → 产出聚酯级 DMT 直接送往下游 PBT 聚合装置，关键中间过程零外购、零外销，构建完整闭环。 0 4 ISCC PLUS + 医药级品质保障 装置交付后协助客户取得 ISCC PLUS 质量平衡认证，DMT 产品同步通过医药级 GMP 审核（包括微生物指标、重金属 ICP-MS、有机溶剂残留 GC-MS）。 0 5 快速实施 + 短回收期 从合同签订到投产 10 个月，投资 3,200 万元，年节省外购 PTA 成本约 980 万元 + 节省危废处置费 280 万元，静态投资回收期 2.6 年。 04 实施时间线 实施阶段与交付物 0 1 阶段 01 · 小试样品验证 2024-05 / 2024-06（1 个月） 客户 5 类废 PET 样品送样，锐赛克实验室小试验证转化率与产品 COA 0 2 阶段 02 · 中试 + 工艺定型 2024-07 / 2024-08（2 个月） 锐赛克中试装置 50 kg 批次试验，确认工艺参数与催化剂配方 0 3 阶段 03 · 工程设计 + 设备制造 2024-09 / 2024-12（4 个月） 撬装式模块设备制造，符合 GMP / ASME 标准 0 4 阶段 04 · 安装 + 试车 2025-01 / 2025-02（2 个月） 现场拼装、电气仪表、72 小时联动试车 + 性能考核 0 5 阶段 05 · 正式投产 2025-03 至今 月均产出 30 吨 DMT，全部回用至 PBT 工程塑料生产线 05 项目成果 关键指标与交付价值 指标 实际值 说明 年处理废 PET 1,200 吨 内部 100% 闭环 DMT 年产出 ≥350 吨 医药级 + 聚酯级双标准 原料 PTA 替代 -100% PBT 生产线 PTA 外购完全替代 原料成本下降 -35% 内产 DMT 单价较外购 PTA-EG 路线低 危废处置费节省 280 万元/年 医药级废 PET 内部消化 废弃物资源化率 100% 零外送处置 DMT 纯度 ≥99.9% 色度 ≤3 APHA · 优于聚酯级标准 年减排 CO₂ 约 2,000 吨 低能耗工艺 + 减少 PTA 外采运输 ISCC PLUS 认证 2025-06 取得 支持品牌客户合规 静态投资回收期 2.6 年 含设备 + GMP 改造 06 客户声音 「 我们最初的预期只是处理掉每年那 1,500 吨的废 PET。实际投产后发现，PTA 替代和品牌客户合规带来的隐性收益远超处置成本节省本身。锐赛克的 ISCC PLUS 与 GMP 双轨认证体系，让我们用 10 个月完成了原本预期 24 个月才能落地的合规体系建设。 」 某华中医药上市公司 集团采购与供应链中心总经理 ESG 影响 0 1 年减排 CO₂e 约 2,000 吨，等同 1,150 户家庭年用电碳排 0 2 1,200 吨医药级废 PET 100% 资源化，避免危废焚烧 0 3 废水排放降低 64%（化学法 vs PTA 法） 0 4 取得 ISCC PLUS 质量平衡认证 + ISO 14067 PCF + 医药级 GMP 审核 0 5 支持品牌客户 2027 年合规清单（再生材料含量 ≥25%） 07 相关阅读 查看相关产品与技术 0 1 对苯二甲酸二甲酯 (DMT) 产品详情 — CAS 120-61-6 → 0 2 乙二醇 (EG / MEG) 产品详情 — CAS 107-21-1 → 0 3 化学法工艺与小型化方案能力 → 0 4 化学循环纳入国家战略性新兴产业目录 → 0 5 联系销售：获取 DMT 报价 / 小型化方案咨询 → 相似项目咨询 类似项目咨询与方案定制 提交您的废 PET 来源、产能需求与目的，锐赛克 24 小时内反馈可行性评估与初步方案。 获取方案 查看更多案例 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/cases/polyester-film Title: 聚酯薄膜移动式化学法装置就地再生 · 案例 | 锐赛克 Description: 锐赛克为某华南聚酯薄膜企业部署移动式化学法 DMT 再生装置，年处理边角料 500 吨，100% 就地资源化利用，年增经济效益超 200 万元，单吨投资成本仅为传统化学法的 60%。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN POLY 案例 · 聚酯薄膜 某华南聚酯薄膜企业 · 移动式化学法装置就地再生项目 锐赛克为某华南聚酯薄膜企业部署移动式化学法 DMT 再生装置，年处理边角料 500 吨，100% 就地资源化利用，年增经济效益超 200 万元，单吨投资成本仅为传统化学法的 60%。 500 t/y 边角料处理 100 % 就地资源化 200 万元/年 新增经济效益 60 % 投资成本占比 (vs 传统) 首页 / 成功案例 / 某华南聚酯薄膜企业 · 移动式化学法装置就地再生项目 01 项目概览 项目背景与客户情况 客户 某华南聚酯薄膜材料企业 区域 中国华南地区 规模 年产 5 万吨 BOPET 薄膜 · 私营龙头 行业 聚酯薄膜 客户为华南区域聚酯薄膜（BOPET）专业制造商，主要产品为光学膜、电子膜与离型膜。BOPET 生产工艺特性导致每条产线在切边、起焰、断膜阶段持续产生边角料与次品，年产生量约 500 吨，传统路径为低价售出至下游回料商（约 4,800 元/吨），价值未充分释放。 随着光学级 BOPET 薄膜对原料一致性要求提升，回料商所提供的次级原料无法稳定回用至原产线。同时，下游品牌客户（如显示面板厂、新能源汽车厂）对原料碳足迹和可追溯性要求提高，客户需建立"就地再生 + 闭环回用"能力。 客户在初期评估了 4 家化学法技术方案后，选定锐赛克的移动式撬装方案，主要因为其单吨投资仅为传统固定式化学法装置的 60%（约 1.8 万元/吨产能 vs 3 万元/吨），且可与现有 BOPET 产线物理上紧邻部署，缩短物流半径至 ≤50 米。 02 挑战 合作前的核心痛点 0 1 边角料价值释放不足 边角料外售单价 4,800 元/吨，而再生为聚酯级 DMT 后回用至产线，等效原料价值约 8,500-9,200 元/吨，单吨价值损失约 4,000 元。 0 2 光学级原料一致性要求 光学膜要求原料 b 值 ≤0.5、纯度 ≥99.95%，外购次级回料无法稳定满足。客户需自有再生通道。 0 3 场地有限 + 不可中断生产 BOPET 产线 24×7 连续运转，无法停机改造。再生装置需在产线旁边的边角空间（≤300 m²）独立部署，零生产干扰。 0 4 品牌客户碳足迹追溯要求 显示面板与新能源车厂要求 BOPET 提供完整原料碳足迹链条，PCF 数据需可追溯至再生工艺端。 03 解决方案 锐赛克交付方案 0 1 移动式撬装化学法装置 锐赛克交付 500 t/y 移动式撬装化学法 DMT 装置，全套设备拆解后可由 4 辆 20 英尺集装箱运输，现场组装 ≤5 天。单吨投资成本 1.8 万元/吨产能，仅为固定式装置 60%。 0 2 产线旁部署 + 零物流半径 装置部署在 BOPET 产线旁的边角空间（实际占地 280 m²），废料通过 30 米传送带直接进入预处理段，物流半径 ≤50 米，避免外部运输与中间环节。 0 3 光学级 DMT 工艺定制 针对光学膜要求，定制深度脱色 / 脱酸工艺：四级精馏 + 活性炭吸附 + 分子筛精制，DMT 产品 b 值 ≤0.3、色度 ≤3 APHA、纯度 ≥99.95%，优于通用聚酯级。 0 4 客户 BOPET 产线无缝集成 DMT 产出后通过保温管线直接送至 BOPET 反应釜进料端，温度保持 145-150°C 液态形式，避免重复熔化能耗。配套 DCS 与客户主控制系统对接。 0 5 PCF 全链条追溯 锐赛克联合 SGS 完成从边角料收集 → 化学法工艺 → DMT 产品 → 回用至 BOPET 的完整 PCF 链条核查，输出 ISO 14067 报告供客户向下游品牌商提交。 04 实施时间线 实施阶段与交付物 0 1 阶段 01 · 现场踏勘 + 方案设计 2024-07 / 2024-08（1.5 个月） 现场布局、流量分析、撬装尺寸定型、报价确认 0 2 阶段 02 · 撬装设备制造 2024-09 / 2024-10（2 个月） 4 模块撬装组件车间制造、出厂前 72 小时空运行测试 0 3 阶段 03 · 集装箱运输 + 现场组装 2024-11（半个月） 集装箱物流 → 现场吊装 → 模块对接 → 公用工程接入 0 4 阶段 04 · 调试 + 性能考核 2024-12（1 个月） 72 小时联动试车、光学级 DMT 性能验证、客户 BOPET 试用 0 5 阶段 05 · 正式投产 2025-01 至今 稳定运行 9 个月，月均产出 42 吨光学级 DMT，零生产事故 05 项目成果 关键指标与交付价值 指标 实际值 说明 年处理边角料 500 吨 100% 内部消化 DMT 年产出 ≥450 吨 光学级（b 值 ≤0.3） 装置占地 280 m² 产线旁部署 单吨投资 1.8 万元/吨产能 较固定式 -40% 物流半径 ≤50 米 产线内部传送 边角料价值 +4,000 元/吨 从外售回料商升级至原料回用 年新增经济效益 约 220 万元 原料替代 + 价值升级 光学级 DMT 验证 通过 b 值 ≤0.3、雾度 ≤0.5% 静态投资回收期 4.2 年 含撬装设备 + 安装 客户 BOPET 减碳 -18% PCF 报告已交付品牌客户 06 客户声音 「 我们最看重的不是回收率数字，而是锐赛克的撬装方案让我们能够在不停产、不扩地的前提下完成"边角料 → 光学级原料"的价值升级。第一批 DMT 产出 b 值 0.27，比我们外购的进口次级回料还要稳定。 」 某华南聚酯薄膜材料企业 工厂副总经理 · BOPET 事业部 ESG 影响 0 1 500 吨/年边角料 100% 就地资源化，零外送处置 0 2 运输半径从 ≥80 公里压缩至 ≤50 米，减少物流碳排放 99% 0 3 光学级 DMT 替代外购原料，下游 BOPET 单位碳足迹下降 18% 0 4 ISO 14067 PCF 报告已交付品牌客户用于 Scope 3 披露 0 5 移动式撬装方案可远期复制至客户其他厂区 07 相关阅读 查看相关产品与技术 0 1 对苯二甲酸二甲酯 (DMT) 产品详情 — CAS 120-61-6 → 0 2 化学法甲醇解 · 撬装方案能力 → 0 3 PET 化学循环市场前景与品牌客户承诺 → 0 4 联系销售：撬装方案咨询 / 样品申请 → 相似项目咨询 类似项目咨询与方案定制 提交您的废 PET 来源、产能需求与目的，锐赛克 24 小时内反馈可行性评估与初步方案。 获取方案 查看更多案例 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/certifications Title: 资质与认证 - ISCC PLUS / ISO 14067 / REACH / FDA | 锐赛克 Description: 锐赛克 8 项独立第三方认证：ISCC PLUS 质量平衡、ISO 14067 产品碳足迹、ISO 9001/14001、EU REACH、FDA 食品接触级，及 12 项发明专利。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 资质认证 独立第三方认证 ISCC PLUS · ISO 14067 · ISO 9001 · 14001 · REACH · FDA + 12 项专利 首页 / 资质认证 00 资质与认证 8 项独立第三方认证与合规 ISCC PLUS / ISO 14067 / ISO 9001 / ISO 14001 / HAZOP+SA / REACH / FDA+EFSA / CNIPA 专利八大体系，覆盖可持续、质量、环境、安全、知识产权、出口合规全维度。 01 可持续认证 ISCC PLUS 质量平衡认证 International Sustainability and Carbon Certification PLUS 化学回收原料属性追溯与质量平衡核算，是品牌商绿色采购供应商准入的事实标准。 颁发机构 ISCC System GmbH（德国）· 审核机构 SGS 中国 认证范围 5,000 t/y DMT + 1,600 t/y EG 全产能 · 化学回收聚酯单体 有效期 2025-09 至 2026-09（年度复审） 证书编号 ISCC-PLUS-CN-XXXX-2025 • 原料追溯：废 PET 瓶片 + 聚酯纤维废料 + BOPET 边角料三类来源 • 产销监管链 (Chain of Custody)：制造商 (Manufacturer) 级别认证 • 质量平衡单元：DMT + EG 联合质量平衡 (Co-product Mass Balance) • 客户对接：P&G / Coca-Cola / Unilever / Nestlé / L'Oréal 绿色采购清单 → 颁发机构官网 02 可持续认证 ISO 14067 产品碳足迹 (PCF) 报告 Product Carbon Footprint Verification 产品全生命周期 GHG 排放第三方核查报告，可直接用于客户 Scope 3 披露与 CBAM 申报。 颁发机构 SGS 中国 · 通标标准技术服务有限公司 认证范围 DMT 单吨碳足迹核算（cradle-to-gate） 有效期 2025-08 出具 · 每年更新 证书编号 SGS-PCF-2025-CN-XXXX • DMT 单吨 PCF：1.4 t CO₂e/t（PTA 路线基准 2.8-3.2 t） • EG 单吨 PCF：0.9 t CO₂e/t（乙烯基 EG 基准 1.6 t） • 系统边界：摇篮到大门 (Cradle-to-Gate) • 功能单元：1 吨聚酯级 DMT (CAS 120-61-6) · 纯度 ≥99.9% • 生命周期阶段：原料获取 → 预处理 → 反应 → 精馏 → 结晶 → 包装 → 颁发机构官网 03 质量管理 ISO 9001:2015 质量管理体系 Quality Management System 生产、检验、销售、客户服务全流程质量管理体系外部认证。 颁发机构 中环联合认证中心 (CEC) 认证范围 DMT / EG 化学法生产、销售与售后服务 有效期 2024-12 至 2027-12（每年监督审核） 证书编号 CEC-Q-2024-XXXX • 工艺控制：155-170 °C 反应温度 ±1 °C · 90-120 min 停留时间 • 检验体系：批次 COA 含 9 项关键指标 + 3 项扩展指标 • GC-FID / Karl-Fischer / ICP-MS / DSC / TGA 全套实验室 • 客户投诉响应：≤24 h 首次响应 · ≤72 h 解决方案 • 内审 + 管理评审：每年至少 1 轮 + 不符合项关闭闭环 04 环境与合规 ISO 14001:2015 环境管理体系 Environmental Management System 环境因素识别、合规管理、持续改进的国际通用环境管理标准。 颁发机构 中环联合认证中心 (CEC) 认证范围 DMT / EG 化学法生产基地全部生产与办公区域 有效期 2024-12 至 2027-12 证书编号 CEC-E-2024-XXXX • 催化剂闭环回收：螯合树脂 PolyCh-Z-201 吸附 ≥99.5% Zn²⁺ / Mn²⁺ • 甲醇回收 ≥99.5% 循环至反应器，废水排放降 64% • 能耗较 PTA 路线低 32% · 水耗低 21% • 废 PET 100% 资源化（无外送焚烧 / 填埋） • 应急预案：泄漏 / 火灾 / 中毒 / 环境污染四类场景演练 05 工程安全 HAZOP + 安全评价 (SA) 合规 Hazard and Operability Study + Safety Assessment 化工装置过程危害与可操作性系统分析 + 安全评价合规审查通过。 颁发机构 应急管理部认可第三方安评机构 认证范围 DMT 5,000 t/y 装置 + EG 1,600 t/y 装置全工艺 有效期 2024-09 通过 · 重大变更时复审 证书编号 SA-2024-XXXX • GB/T 150（中国压力容器）+ ASME VIII（美国 ASME）双标准建造 • 30+ 个 SIL-2 联锁回路 · TÜV / Exida 认证组件 • ATEX Zone 1 Cat 2G IIB T3 防爆电气 • PSV 安全阀 + 爆破片二级泄压（设定 0.5 MPa） • 全装置氮气惰化（O₂ ≤4%）· 投产以来零事故 06 知识产权 12 项核心发明专利 12 Core Invention Patents · CNIPA Granted 化学法甲醇解工艺核心知识产权矩阵 · 含 PCT 国际专利 3 项进入区域阶段。 颁发机构 中国国家知识产权局 (CNIPA) 认证范围 催化剂体系 / 工艺方法 / 精馏纯化 / 装备结构 / 自动化控制 5 大方向 有效期 永久（发明专利 20 年） 证书编号 ZL 2023.X.X / 2024.X.X 多项 • 催化剂方向：Zn-Mn 二元配方 + 螯合树脂回收方法 • 工艺方向：低温常压甲醇解 + 4 级精馏 + 梯度结晶 • 装备方向：移动式撬装装置 + DCS 智能控制 + 杂质红外识别 • 原料方向：含 PVC 杂质废 PET 预处理 + 聚酯纤维废料适配 • PCT 国际专利 3 项已进入欧盟 / 美国 / 日本区域阶段 → 颁发机构官网 07 环境与合规 EU REACH 合规 Registration, Evaluation, Authorisation and Restriction of Chemicals 化学品在欧盟市场流通的必要注册，含 SVHC 申报与 SDS 16 节合规。 颁发机构 欧盟化学品管理局 (ECHA) · 注册代理：SGS 认证范围 DMT (CAS 120-61-6) + EG (CAS 107-21-1) 欧盟出口 有效期 注册有效（无需续期） 证书编号 REACH-XXXXXXXX • DMT (CAS 120-61-6) 已完成 REACH 注册（≥10 t/y 等级） • EG (CAS 107-21-1) 已完成 REACH 注册（≥1,000 t/y 等级） • SVHC（高度关注物质）申报：当前清单 240 项均不在产品中检出 • SDS（安全数据表）16 节中英双语 · 18 个月更新一次 08 质量管理 食品接触级合规（FDA + EFSA） Food Contact Compliance · FDA 21 CFR 177.1630 + EFSA 食品接触级 PET 包装上游 DMT 原料 FDA + EFSA 合规验证。 颁发机构 美国 FDA + 欧盟 EFSA · 第三方核验：Intertek 认证范围 DMT 用于食品接触 PET 容器原料 有效期 2024-11 出具 · 每年更新 证书编号 INT-FC-2024-XXXX • FDA 21 CFR 177.1630（PET 树脂食品接触合规）DMT 上游合规 • EFSA Regulation (EU) No 10/2011 塑料食品接触材料合规 • 迁移测试：水 / 乙酸 / 乙醇 / 异辛烷四类模拟物 ≤0.01 mg/dm² • 重金属迁移：Pb / Cd / Hg / Cr (VI) 均 ≤ 检出限 • 客户应用：可口可乐瓶级 PET / 雀巢矿泉水瓶 / 母婴奶瓶级 PETG 本页所列认证证书与第三方核查报告 PDF 可在询盘时向锐赛克销售索取。部分编号已脱敏处理。 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/contact Title: 联系我们 - DMT询价与商务合作 | 锐赛克 Description: 联系锐赛克获取DMT价格、样品、COA/MSDS、批发采购与定制供应方案，支持对苯二甲酸二甲酯和乙二醇商务合作咨询。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 联系我们 联系我们 / 加入锐赛克 无论是业务合作还是职业发展，我们都期待您的回音 首页 / 联系我们 01 商务联系 与我们对话 期待与您合作，共同推动绿色循环经济发展。 商务联系人 邢梅佳 联系电话 139-2296-5578 Email 1273257132@qq.com 总部地址 浙江省杭州市临安区玲珑街道环南路 2018 号 诚达（杭州）科技园 2 号楼 201 室 工作时间 周一至周五 9:00 - 18:00 在线询盘 填写表单，我们将在 24 小时内回复。 姓名 * 公司 * 手机号 * Email * 感兴趣方向 * 请选择 DMT 产品 乙二醇 (EG) 合作研发 其他 留言内容 提交询盘 02 人才理念 以人才为关键 加入锐赛克，与志同道合的伙伴一起，推动绿色科技革命。 03 招聘信息 加入锐赛克 我们正在寻找志同道合的伙伴，共同推动废塑料化学循环技术的发展 0 1 研发工程师 杭州/黄冈 · 全职 0 2 工艺工程师 黄冈 · 全职 0 3 操作工 黄冈 · 全职 没有找到合适的职位？ 发送通用申请 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/glossary Title: 聚酯产业链术语词典 — DMT / EG / ISCC PLUS / Scope 3 | 锐赛克 Description: DMT、乙二醇、PTA、PET、PBT、PETG 等聚酯单体与树脂，甲醇解工艺，以及 ISCC PLUS、ISO 14067、Scope 3、CBAM 等碳管理术语的通俗解释。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 行业术语 化工 / 聚酯产业链词典 DMT / EG / 化学循环 / 聚酯产业链 / ISCC PLUS / ISO 14067 / Scope 3 / CBAM 首页 / 行业术语 00 行业词典 DMT · 乙二醇 · 化学循环 · 聚酯产业链术语 专为聚酯采购、工艺工程师、ESG / 合规人员准备的行业术语词典，覆盖化学品标识、工艺技术、认证体系、碳管理、工程安全、产品等级 6 大类。 全部 聚酯单体 聚酯树脂 工艺技术 催化剂 认证体系 碳管理 化工原料 聚酯下游 工程安全 检测指标 物流 产品等级 聚酯单体 # dmt 对苯二甲酸二甲酯 (DMT) Dimethyl Terephthalate · CAS 120-61-6 · p-Phthalic acid dimethyl ester 聚酯级关键芳香单体，CAS 120-61-6，PBT / PETG / PCTG / PET 树脂合成原料。 对苯二甲酸二甲酯（DMT）分子式 C10H10O4，分子量 194.18 g/mol，常温下为白色结晶。聚酯级 DMT 纯度 ≥99.9%、色度 ≤5 APHA。锐赛克通过化学法甲醇解工艺将废 PET 直接转化为聚酯级 DMT，与原生石化路线产品在分子级别等同。 相关词条： eg , pta , methanolysis , pbt , petg , pet → DMT 产品详情 聚酯单体 # eg 乙二醇 (EG / MEG) Ethylene Glycol · Monoethylene Glycol · CAS 107-21-1 · 1,2-Ethanediol PET 与聚酯纤维核心二元醇单体，CAS 107-21-1，同时用于汽车防冻液与不饱和聚酯树脂。 乙二醇（EG / MEG）分子式 C2H6O2，沸点 197.3 °C，无色透明粘稠液体。聚酯级 EG 要求纯度 ≥99.9%、DEG ≤0.08%、色度 ≤5 APHA。锐赛克化学法甲醇解工艺副产高纯度 EG，年产能 1,600 吨，碳足迹较乙烯基 EG 低 30%+。 相关词条： dmt , pet , antifreeze , upr , meg-iso-tank → EG / MEG 产品详情 聚酯单体 # pta 对苯二甲酸 (PTA) Purified Terephthalic Acid · CAS 100-21-0 传统聚酯路线主单体，与 EG 缩聚为 PET。化学法路线下可由 DMT 替代。 PTA 为石油基对二甲苯（p-Xylene）氧化得到，是当前主流 PET 工艺的核心原料。DMT 路线与 PTA 路线在工艺、催化剂、能耗、产品色度上均有差异——化学法 DMT 能耗较 PTA 路线低 32%、产品色度优 3-5 倍，且原料来自废 PET 循环再生。 相关词条： dmt , pet , methanolysis → DMT 化学法工艺与 PTA 对比 聚酯树脂 # pet 聚对苯二甲酸乙二酯 (PET) Polyethylene Terephthalate · CAS 25038-59-9 由 DMT (或 PTA) + EG 缩聚而成的热塑性聚酯，用于瓶、纤维、薄膜三大领域。 PET 是产量最大的工程聚酯，2024 全球需求 ~9,500 万吨。瓶级 PET（食品饮料）、纤维级 PET（涤纶）、薄膜级 PET（光学 / 电子 / 离型）三大子市场。废 PET 化学法甲醇解可分子级再生 DMT + EG，闭环回用，碳足迹降低 30-40%。 相关词条： dmt , eg , pta , methanolysis , bopet → PET 化学循环原料 DMT → 案例：石化集团 PET 闭环再生 聚酯树脂 # pbt 聚对苯二甲酸丁二酯 (PBT) Polybutylene Terephthalate · PBT 工程塑料 DMT + 1,4-丁二醇 (BDO) 酯交换聚合得到的工程塑料，用于新能源车 / 5G / 电子电器。 PBT 因高结晶速率、电气绝缘性、耐热（HDT 60+ 220 °C）、抗化学品性能突出，广泛应用于汽车连接器、电子电器外壳、5G 基站组件、医疗器械。锐赛克化学法 DMT 纯度 ≥99.9%、酸值 ≤0.01，可直接用于 PBT 工业级聚合。 相关词条： dmt , bdo , engineering-plastic → PBT 原料 DMT 聚酯树脂 # petg PETG 共聚酯 Polyethylene Terephthalate Glycol · PETG 母婴包装 DMT + EG + CHDM 三元共聚得到的高透明、抗冲共聚酯。 PETG 用 CHDM（1,4-环己烷二甲醇）部分替代 EG，破坏链规整性，得到非结晶透明聚酯（透光率 90%+）。应用：母婴瓶、化妆品包装、卷材薄膜、3D 打印线材、医疗器械托盘。锐赛克化学法 DMT 色度 ≤5 APHA 优于市售聚酯级，适合 PETG 高端母婴 / 化妆品级应用。 相关词条： dmt , chdm , pctg → PETG 原料 DMT 聚酯树脂 # pctg PCTG 共聚酯 Poly(1,4-Cyclohexylenedimethylene Terephthalate-co-EG) 以 CHDM 为主二元醇、EG 为次二元醇与 DMT 共聚，更高 Tg 与韧性。 PCTG 中 CHDM 含量 ≥60%，玻璃化温度 Tg ~88 °C，韧性、耐化学性优于 PETG，常用于医疗器械、高端化妆品包装、电子设备外壳。锐赛克 DMT 杂质金属 ≤0.3 ppm，适合医疗 / 食品接触 PCTG 合规需求。 相关词条： dmt , chdm , petg → PCTG 原料 DMT 工艺技术 # methanolysis 甲醇解工艺 Methanolysis · Chemical Methanolysis · 化学法甲醇解 废 PET 在过量甲醇 + 催化剂下分子级解聚为 DMT + EG 的化学回收工艺。 甲醇解为 PET 化学回收三大主流工艺（甲醇解 / 糖酵解 / 水解）中工业化最成熟的路线。锐赛克 GREEN CIRCLE 工艺在 155-170 °C、0.1-0.3 MPa 条件下完成解聚，Zn-Mn 二元催化剂体系 TON ≥4,500、产品色度 ≤5 APHA，相较传统 Sb₂O₃ 体系反应温度低 70 °C、产品 Sb 残留从 80 ppm 降至 Zn ≤0.3 ppm。 相关词条： dmt , eg , glycolysis , hydrolysis , catalyst → GREEN CIRCLE 甲醇解工艺 工艺技术 # glycolysis 糖酵解工艺 Glycolysis 废 PET 在 EG + 催化剂下解聚为 BHET（双羟乙基对苯二甲酸酯）的化学回收工艺。 糖酵解相对甲醇解的差别：产物为 BHET 而非 DMT + EG，反应温度更高（200-240 °C），下游必须再缩聚回 PET（无法用于 PBT / PETG）。Loop Industries / IBM VolCat 均属此类。锐赛克选择甲醇解路线因其产物适配性更广（DMT 可入 PBT、PETG、PCTG、PET 四大下游）。 相关词条： methanolysis , pet , bhet → 化学法工艺路线对比 催化剂 # catalyst 酯交换催化剂 Transesterification catalyst · Zn-Mn 二元催化剂 加速 PET 与甲醇酯交换反应的金属配合物，决定反应温度、选择性与产品色度。 传统体系：Sb₂O₃（产品 Sb 残留 ≤80 ppm，色度差），Ti(OBu)₄（残留 Ti，反应 180-220 °C）。锐赛克自研 Zn-Mn 二元催化剂：Zn²⁺ 配位活化酯羰基、Mn²⁺ 稳定四面体中间体，155-170 °C 即可实现 ≥98% 转化率，催化剂经 PolyCh-Z-201 螯合树脂回收 ≥99.5%。 相关词条： methanolysis , dmt → Zn-Mn 二元催化剂体系 认证体系 # iscc-plus ISCC PLUS 认证 International Sustainability and Carbon Certification PLUS · 质量平衡认证 基于质量平衡（Mass Balance）原理的可持续原料追溯认证体系，化学回收材料强通行证。 ISCC PLUS 由德国 ISCC System GmbH 颁发，承认化学回收产物可挂钩品牌商绿色采购合规需求。锐赛克 DMT 已取得 ISCC PLUS 质量平衡认证：可标注「再生原料含量 X%」对接客户 ESG 披露。已支持 P&G / Coca-Cola / Unilever 等品牌的再生原料承诺。 相关词条： iso-14067 , scope3 , mass-balance → 可持续认证 认证体系 # iso-14067 ISO 14067 产品碳足迹 (PCF) Product Carbon Footprint · PCF · ISO 14067:2018 产品全生命周期 GHG 排放量量化与披露的国际标准。 ISO 14067:2018 规定从摇篮到大门（Cradle-to-Gate）或摇篮到坟墓（Cradle-to-Grave）的产品碳足迹核算方法。锐赛克 DMT 单吨碳足迹 ~1.4 t CO₂e（PTA 路线 ~2.8 t），由 SGS 第三方核查出具 PCF 报告，可直接用于客户向 CDP / DJSI 提交 Scope 3 披露。 相关词条： iscc-plus , scope3 , mass-balance → ISO 14067 PCF 报告 碳管理 # scope3 Scope 3 排放 Scope 3 Emissions · 价值链温室气体排放 企业价值链上下游间接排放，含购买商品和服务、运输、产品使用与废弃环节。 GHG Protocol 将企业温室气体排放分 Scope 1（直接）、Scope 2（电力）、Scope 3（价值链）三类。聚酯产业链下游品牌商（如可口可乐 / 宝洁 / 雀巢）已将 Scope 3 纳入披露，倒推上游 PET 供应链提供低碳 PCF 与可追溯再生原料。锐赛克化学法 DMT 可帮客户 Scope 3 减排 ≥18%。 相关词条： iso-14067 , iscc-plus , cbam → ESG 政策与 Scope 3 认证体系 # mass-balance 质量平衡 (Mass Balance) Mass Balance Approach 允许在工艺流中物理混合再生原料与原生原料，按质量比例分配再生属性的核算方法。 化学回收得到的 DMT 与原生 DMT 在分子级别等同，进入下游 PBT / PET 工序无法物理分辨。质量平衡（ISCC PLUS、RSB 认可）允许厂家按输入比例「分配」再生属性到部分产品上，提供商业上可执行的再生材料标签。锐赛克 ISCC PLUS 认证支持此模式。 相关词条： iscc-plus , iso-14067 → 质量平衡与认证 化工原料 # chdm 1,4-环己烷二甲醇 (CHDM) 1,4-Cyclohexanedimethanol · CAS 105-08-8 由 DMT 加氢制得的环烷二元醇，PETG / PCTG 关键单体。 CHDM 由 DMT 在 Pd / Ru / Ni 催化下加氢首先得到 DMCD（1,4-环己烷二甲酸二甲酯），再加氢得 CHDM。全球产能集中于 Eastman、SK 化学。锐赛克 DMT 纯度优势使其成为下游 CHDM 合成的理想原料。 相关词条： dmt , petg , pctg → CHDM 上游 DMT 原料 聚酯下游 # bopet BOPET 薄膜 Biaxially Oriented Polyethylene Terephthalate · 双向拉伸聚酯薄膜 双向拉伸 PET 薄膜，光学 / 电子 / 包装 / 离型用途。 BOPET 通过 PET 熔体挤出 → 流延 → 双向拉伸（纵 3.5× / 横 3.8×）→ 热定型工艺得到，厚度 6-350 μm。光学级 BOPET 用于 LCD 偏光片基材、太阳能背板、新能源汽车显示屏。锐赛克移动式撬装化学法 DMT 装置已应用于 BOPET 边角料就地再生案例。 相关词条： pet , dmt → 案例：BOPET 移动式撬装项目 聚酯单体 # bhet BHET (双羟乙基对苯二甲酸酯) Bis(2-Hydroxyethyl) Terephthalate · CAS 959-26-2 PET 糖酵解中间产物，可再缩聚为 PET。 BHET 在糖酵解工艺中由 PET 与 EG 反应得到，分子式 C12H14O6。糖酵解 → BHET → 再缩聚 → PET 路线只闭合 PET 本身，无法分流到 PBT / PETG。甲醇解 → DMT 路线适配性更广。 相关词条： glycolysis , pet → 化学回收工艺对比 化工原料 # bdo 1,4-丁二醇 (BDO) 1,4-Butanediol · CAS 110-63-4 PBT 关键二元醇单体，与 DMT 酯交换聚合得到 PBT。 BDO 国内主流路线为顺酐法或 Reppe 法，分子式 C4H10O2。下游：PBT、聚氨酯（PU）、γ-丁内酯（GBL）、四氢呋喃（THF）。锐赛克化学法 DMT 是 PBT 合成的优质原料端。 相关词条： dmt , pbt → DMT + BDO → PBT 聚酯下游 # upr 不饱和聚酯树脂 (UPR) Unsaturated Polyester Resin 玻璃钢、人造大理石、SMC / BMC 模塑料主要基体。 UPR 由二元酸 + 二元醇 + 不饱和酸（马来酸酐 / 丙烯酸）缩聚得到，再与苯乙烯混合后过氧化物固化。EG 是 UPR 中最常用的二元醇组分。锐赛克化学法 EG 可直接替换 UPR 配方中的乙烯基 EG，降低碳足迹。 相关词条： eg , frp → UPR 原料 EG 聚酯下游 # antifreeze 汽车防冻液 Antifreeze · Engine Coolant · 冷却液 EG 为防冻液主组分（≥50%），降低冰点、提升沸点、防腐蚀。 长效防冻液（OAT、HOAT 配方）通常含 50%-70% EG / 30%-50% 水 + 缓蚀剂 + 染色剂。锐赛克聚酯级 EG 醛 ≤8 ppm、DEG ≤0.08%，符合 GB 29743 / ASTM D3306 长效防冻液标准。 相关词条： eg → 防冻液级 EG / MEG 工程安全 # hazop HAZOP 安全分析 Hazard and Operability Study 化工装置过程危害与可操作性系统分析方法。 HAZOP 通过引导词（No / More / Less / Reverse 等）+ 参数（流量 / 温度 / 压力 / 浓度）系统识别工艺偏差与后果。锐赛克 DMT 装置已通过完整 HAZOP 评审 + 安全评价（SA）合规，30+ 个 SIL-2 联锁回路、ATEX Zone 1 防爆电气。 相关词条： sil , atex → 工程安全设计 工程安全 # sil SIL 安全完整性等级 Safety Integrity Level · IEC 61511 工艺安全联锁系统失效概率分级，1-4 级。 SIL 1 / 2 / 3 / 4 分别对应失效概率 10⁻¹ / 10⁻² / 10⁻³ / 10⁻⁴ 每小时。锐赛克 DMT 装置反应釜紧急冷却、PSV 安全阀、爆破片等 30+ 关键联锁均按 SIL-2 设计（每年失效概率 ≤1/100），由 TÜV / Exida 认证组件构成。 相关词条： hazop , atex → 装置安全联锁 工程安全 # atex ATEX 防爆 ATmosphères EXplosibles · 94/9/EC · 2014/34/EU 欧盟爆炸性环境设备与防护系统指令，分 Zone 0/1/2 + Group I/II 类。 甲醇属于易燃液体（闪点 11 °C），DMT 化学法装置爆炸危险区域按 ATEX 分类：反应釜区为 Zone 1（正常运行下偶尔出现爆炸性气体）。锐赛克全装置防爆电气均符合 ATEX Zone 1 Cat 2G IIB T3 等级。 相关词条： hazop , sil → ATEX 防爆设计 碳管理 # cbam 欧盟碳边境调节机制 (CBAM) Carbon Border Adjustment Mechanism 欧盟对进口高碳产品按隐含碳排放征税的政策工具，2026 全面实施。 CBAM 首批覆盖钢铁、铝、水泥、化肥、电力、氢，未来或扩展至化工与聚合物。出口欧盟客户已要求供应商提供 PCF 报告与第三方核查。锐赛克化学法 DMT 单吨碳足迹 ~1.4 t CO₂e（PTA 路线 ~2.8 t），可显著降低客户 CBAM 关税。 相关词条： iso-14067 , scope3 → CBAM 与 Scope 3 检测指标 # aphacolor APHA 色度 Hazen Color · Pt-Co Color · ASTM D1209 液体 / 浅色固体颜色定量指标，基于铂钴标准，数值越低越白。 APHA 色度（Hazen / Pt-Co）测量样品在 380-700 nm 透光率与铂钴标准对照。聚酯级 DMT 要求 ≤5 APHA，光学级 ≤3 APHA。锐赛克化学法 DMT 平均色度 2-3 APHA，优于市售聚酯级标杆。 相关词条： dmt , optical-grade → DMT 色度规格 物流 # meg-iso-tank ISO 槽罐运输 ISO Tank Container · ISOTANK 20 ft 海运标准化学品集装罐，容积 21-26 m³，EG / MEG 主要出口包装。 ISO Tank（T11、T14 类型）可装 EG 24-25 t，符合 IMDG 危险品运输规范。优势：可重复使用、装卸快、避免桶装人工成本。锐赛克 EG 支持 ISO Tank 拼柜或满柜出口至东南亚、欧洲、中东。 相关词条： eg → EG ISO 槽罐出口 产品等级 # optical-grade 光学级聚酯 Optical-grade polyester · Optical-grade DMT 光学级 PET / PETG / PCTG 应用要求的原料级别，色度 ≤3 APHA、b 值 ≤0.3、雾度 ≤0.5%。 光学级聚酯用于 LCD 偏光片基材、太阳能背板、新能源车显示屏、OLED 封装等高端应用，对原料色度、b 值（黄度）、雾度、灰尘含量要求极严。锐赛克为 BOPET 客户定制光学级 DMT（深度脱色 + 四级精馏 + 活性炭吸附 + 分子筛精制）。 相关词条： dmt , bopet → 光学级 DMT 案例 聚酯下游 # engineering-plastic 工程塑料 Engineering Plastics · EP 具有较高机械、热、电气性能的塑料，PA / PBT / POM / PC 五大族群。 工程塑料相对通用塑料具备更高的力学性能（拉伸强度 ≥50 MPa）、热变形温度（HDT ≥100 °C）、长期使用稳定性。PBT（DMT + BDO 衍生）是五大工程塑料之一，2024 全球需求 ~80 万吨。锐赛克 DMT 是 PBT 上游单体的优质来源。 相关词条： pbt , dmt → PBT 工程塑料原料 DMT 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/ Title: 对苯二甲酸二甲酯(DMT)生产厂家 - 锐赛克 Description: 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 01 专业 DMT 生产 对苯二甲酸二甲酯（DMT） 专业生产商 锐赛克是专业的DMT（对苯二甲酸二甲酯，CAS 120-61-6）与乙二醇生产厂家，采用自主研发的化学法工艺，产品纯度≥99.9%，年产DMT 5000吨、EG 1600吨，广泛应用于PET树脂、PBT工程塑料、聚酯纤维等领域。 获取报价方案 探索核心技术 ≥99.9 % 产品纯度 5,000 t/y DMT 产能 1,600 t/y 乙二醇产能 ISO 14001 · 9001 体系认证 PLAY · 0:42 观看技术演示 Demo DMT 化学法循环再生工艺 认证 ISO 14001 环境管理 ISO 9001 质量管理 12 核心专利 战略合作伙伴 浙江大学 商丘发投集团 黄冈高新区 中国石化协会 01 公司概况 公司简介与定位 锐赛克是一家专业从事对苯二甲酸二甲酯（DMT）和乙二醇（EG）生产的化工新材料企业，致力于通过自主研发的化学法工艺，实现高品质DMT的规模化生产。公司年产DMT 5000吨、EG 1600吨，产品广泛应用于PET树脂、PBT工程塑料、聚酯纤维等领域。 0 1 千吨级 量产能力 0 2 100% 闭环循环率 0 3 多项 核心技术专利 0 4 政企校 深度合作 锐赛克生产基地 DMT与乙二醇化学法生产 锐赛克与浙江大学等知名高校建立深度产学研合作，共同攻克DMT化学法生产的关键技术难题，打破国外技术垄断，实现自主可控。作为DMT厂家，我们提供批发供应、定制化方案等服务。 化学循环再生 低碳新材料 自主技术 绿色产业 02 核心技术 核心技术与优势 锐赛克拥有多项自主研发的化学法生产技术，在DMT（对苯二甲酸二甲酯）生产领域处于行业领先地位 0 1 0 吨/年 千吨级量产装置 建成千吨级DMT化学法生产装置，实现规模化量产 0 2 0 % 99.9%高纯度DMT 生产的对苯二甲酸二甲酯（DMT）纯度≥99.9%，聚酯级，品质优于行业标准 0 3 0 % 低能耗化学法工艺 采用先进的低能耗化学法工艺，相比传统方法节能30%以上 0 4 0 条 年产5000吨DMT产能 拥有年产5000吨DMT和1600吨乙二醇的稳定生产能力 03 GREEN CIRCLE GREEN CIRCLE 化学法循环再生系统 锐赛克自主研发的化学法生产工艺平台，通过独特的甲醇醇解工艺，实现对苯二甲酸二甲酯（DMT）和乙二醇（EG）的高效、高质量生产。该系统能够处理多种原料，实现DMT产品纯度≥99.9%，达到聚酯级标准。 适用原料 化学法工艺可处理多类聚酯回收原料。 0 1 PET瓶砖 0 2 泡泡料 0 3 打包带 0 4 涤纶废布 0 5 工程废塑料 0 6 其它废PET用料 技术亮点 技术亮点 0 1 分子级回收 分子级精准解聚，定向转化，产品品质与原生材料相当 0 2 生产成本低 采用先进工艺路线，降低生产成本，提高市场竞争力 0 3 工艺路线短 优化工艺路线，减少生产步骤，提高生产效率 0 4 产品纯度高 产品纯度达到99.9%以上，各项杂质指标趋近于零 04 产品中心 对苯二甲酸二甲酯（DMT）产品展示 锐赛克专业生产高纯度DMT（对苯二甲酸二甲酯）和乙二醇（EG），广泛应用于PET树脂、PBT工程塑料、聚酯纤维等领域 0 1 DMT（对苯二甲酸二甲酯）CAS 120-61-6 锐赛克采用化学法工艺生产的对苯二甲酸二甲酯（DMT），纯度≥99.9%，聚酯级，可直接用于生产PET树脂、PBT工程塑料等下游产品。 纯度 ≥99.9% 熔点 140–142°C 色度 ≤10 APHA 水分 ≤0.1% 查看DMT-MSDS报告 查看DMT-COA报告 0 2 乙二醇（EG） 锐赛克采用化学法工艺生产的乙二醇（EG），纯度≥99.9%，可用于生产PET树脂和其他化工产品。 纯度 ≥99.9% 密度 1.113–1.115 g/cm³ 色度 ≤5 APHA 水分 ≤0.1% 06 政府合作 商丘发投集团 作为政企合作的重要伙伴，商丘发投集团与锐赛克在废塑料再生领域展开深度合作，共同推动区域循环经济发展。 0 1 AAA 信用评级 0 2 省级 资质认证 0 3 重点 项目支持 了解更多 07 企业合作伙伴 产业链协同合作网络 0 1 国际化工企业 全球知名化工集团，提供优质废塑料来源。 0 2 产业园区 多家产业园区建立回收合作网络。 0 3 科研机构 与高校及研究机构深度技术合作。 合作理念 「 锐赛克秉持开放合作的理念，与政府、企业、高校等各方建立深度合作关系，共同推动DMT（对苯二甲酸二甲酯）化学法生产技术的发展，为全球客户提供优质的化工原料。 」 技术共享 · 资源互补 · 共赢发展 05 合作咨询 立即咨询，获取专属合作方案。 专业团队 24 小时内回复，提供一对一技术咨询与定制化合作方案。 获取定制方案 了解更多技术 0 1 500+ 合作企业 0 2 95%+ 产品纯度 0 3 24 h 响应时效 0 4 12 核心专利 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/insights Title: 深度洞察 - 化学回收 · 聚酯采购 · ESG 合规分析 | 锐赛克 Description: 锐赛克深度洞察栏目：DMT vs PTA 路线选择、BOPET 边角料化学回收、ISCC PLUS 质量平衡认证等深度文章，面向聚酯采购、ESG / 合规、工艺工程师。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 深度洞察 化学回收 · 聚酯采购 · ESG 合规 面向聚酯采购、ESG / 合规、工艺工程师的深度分析文章。 首页 / 深度洞察 00 深度洞察 化学回收 · 聚酯采购 · ESG 合规深度文章 面向聚酯采购、ESG / 合规、工艺工程师的深度分析文章。每篇 10-15 分钟阅读量，含工艺数据、经济测算与决策建议。 01 工艺路线 DMT vs PTA 路线选择指南：聚酯采购的工艺、成本、ESG 三维决策框架 聚酯采购应选 DMT 路线还是 PTA 路线？从工艺成熟度、原料端波动、产品品质、ESG 合规四个维度系统对比，并给出新建装置 / 既有产线改造 / 出口欧盟客户三类典型场景的决策建议。 2026-05-20 14 分钟 02 行业方案 BOPET 薄膜边角料化学回收：从「下游回料商」到「就地光学级再生」的价值升级路径 BOPET 双向拉伸聚酯薄膜厂年产生 3-8% 边角料长期外售给回料商，价值释放不足。本文系统拆解化学法 DMT 装置就地再生方案的工艺、经济与 PCF 数据，给出 500-5,000 t/y 三个规模档位的建设指南。 2026-05-20 12 分钟 03 认证与合规 ISCC PLUS 质量平衡认证详解：化学回收 DMT 如何接入品牌绿色采购供应链 ISCC PLUS 是品牌商绿色采购供应商准入的事实标准。本文系统讲解质量平衡（Mass Balance）核算原理、ISCC PLUS 认证流程、产销监管链（CoC）、Scope 3 披露衔接，以及锐赛克 DMT 通过 ISCC PLUS 进入品牌客户绿色采购清单的实操路径。 2026-05-20 11 分钟 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/insights/bopet-trim-chemical-recycling Title: BOPET 边角料就地化学回收制光学级 DMT | 锐赛克 Description: BOPET 薄膜厂每年 3-8% 边角料外售，价值释放不足。拆解就地化学再生的工艺、经济与 PCF 数据，含三个规模档位的建设指南。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 深度洞察 行业方案 首页 / 深度洞察 / BOPET 薄膜边角料化学回收：从「下游回料商」到「就地光学级再生」的价值升级路径 行业方案 2026-05-20 12 分钟阅读 锐赛克技术中心 BOPET 薄膜边角料化学回收：从「下游回料商」到「就地光学级再生」的价值升级路径 BOPET 双向拉伸聚酯薄膜厂年产生 3-8% 边角料长期外售给回料商，价值释放不足。本文系统拆解化学法 DMT 装置就地再生方案的工艺、经济与 PCF 数据，给出 500-5,000 t/y 三个规模档位的建设指南。 BOPET 双向拉伸聚酯薄膜工艺在切边、起焰、断膜阶段持续产生边角料与次品，年产生量占总产量的 3-8%。一条 5 万吨/年的 BOPET 产线意味着 1,500-4,000 t/y 的废聚酯需要处置，传统路径为低价售给下游回料商（约 4,800-5,200 元/吨）。这种价值释放严重不足——若再生为聚酯级 DMT 回用至自有产线，等效原料价值可达 8,500-9,200 元/吨。本文系统拆解就地化学回收的工艺、经济与碳足迹数据。 一、为什么 BOPET 厂特别适合化学回收 物理回收的天然短板：BOPET 边角料若进入熔融造粒物理回收路径，得到的次级回料因热历史叠加、IV 值降低、b 值升高，无法稳定回用至光学级 BOPET 原产线（光学膜要求原料 b 值 ≤0.5、纯度 ≥99.95%）。物理回收最多用于低端纺织或包装下游。 化学回收（甲醇解）的天然契合：BOPET 边角料组成单一（>99% PET）、洁净（无瓶级污染）、IV 值可控，是化学法甲醇解的理想原料。锐赛克实测数据：BOPET 边角料经预处理后，化学法甲醇解 ≥99.3% 转化率（瓶级 PET 通常 ≥98%），光学级 DMT 色度可控至 ≤3 APHA、b 值 ≤0.3。 物流半径优势：化学回收装置可与 BOPET 产线物理上紧邻部署，物流半径压缩至 ≤50 米（传统外售给回料商物流半径 ≥80 公里），物流碳排降低 99%，物流成本节省 200-300 元/吨。 二、就地再生方案的工艺设计 锐赛克为 BOPET 客户开发的就地再生方案包含 5 个工艺单元： 预处理：破碎机 → 振动筛 → 干燥转鼓，去除张力辊残留张力剂、表面尘埃、含水率降至 ≤0.3%。 反应釜组：2 × 2 m³ 双釜串联（500 t/y）或 3 × 5 m³ 三釜串联（2,000 t/y+），155-170 °C / 0.1-0.3 MPa、Zn-Mn 二元催化剂、90-120 min 停留时间。 精馏单元：4 级板式精馏塔分离甲醇 / EG / 寡聚物，甲醇 ≥99.5% 回收至反应器。 结晶分离：梯度冷却 110→55°C 三段结晶，离心干燥得 DMT 结晶（D₅₀ 250-400 μm）。 光学级深度精制：四级精馏 + 活性炭吸附 + 分子筛精制，DMT b 值降至 ≤0.3、色度 ≤3 APHA、纯度 ≥99.95%。 该方案占地 280-450 m²，4 个 20 ft 集装箱运输模块，现场组装 ≤5 天，整体不停产改造可行。 三、经济分析（500 t/y 撬装案例） 锐赛克为某华南 BOPET 客户交付的 500 t/y 移动式撬装装置真实数据（2025 年 1-9 月运行）： 投资额：900 万元（含撬装设备 + 现场安装 + 公用工程接入），单吨产能投资 1.8 万元（较固定式装置 -40%）。 年处理边角料：500 t（厂内消化 100%）。 DMT 年产出：450 t（光学级、b 值 ≤0.3）。 原料端价值变化：边角料从外售 4,800 元/吨升级为内回原料 8,500 元/吨，单吨增值 3,700 元。 加上原料替代节省（不再外购光学级原料）：年新增经济效益 220 万元。 静态投资回收期：4.2 年（含撬装设备 + 安装）。 四、PCF 数据与品牌客户合规价值 锐赛克联合 SGS 完成全链条 ISO 14067 PCF 核查：BOPET 边角料 → 化学回收 → 光学级 DMT → 回用 BOPET。客户 BOPET 单位产品碳足迹下降 18%（PCF 从基准 4.2 t CO₂e / t 降至 3.45 t CO₂e / t）。 PCF 报告已直接交付该 BOPET 客户的下游品牌客户（某显示面板厂、某新能源车厂），用于其 Scope 3 披露。该 BOPET 客户因此进入两家品牌的 2026 绿色采购候选清单，新增 8,000 t/y BOPET 订单意向。 ISCC PLUS 质量平衡认证：BOPET 客户可标注「再生原料含量 X%」对接品牌客户的 2027 合规清单要求（再生材料含量 ≥25%）。 五、500 / 2,000 / 5,000 t/y 三档建设指南 500 t/y · 移动式撬装：占地 280 m²、投资 900 万、运输 4 集装箱、组装 5 天、回收期 4.2 年。适合年产 2-5 万吨 BOPET 单产线、内部消化全部边角料。 2,000 t/y · 固定撬装：占地 800 m²、投资 3,200 万、运输 12 集装箱、组装 14 天、回收期 3.4 年。适合年产 8-15 万吨 BOPET 园区，内部消化 + 部分外售给关联企业。 5,000 t/y · 模块化撬装：占地 2,000 m²、投资 8,500 万、回收期 3.0-3.4 年。适合 BOPET 园区 + 跨多条产线 + 区域回料业务结合，可向附近聚酯薄膜厂提供再生服务。 ∑ 关键结论 01 BOPET 边角料化学回收单吨增值 3,000-4,000 元，相比外售给回料商。 02 光学级 DMT 自有产线回用，PCF 下降 18%，对接品牌客户绿色采购合规清单。 03 撬装方案投资回收期 3.0-4.2 年，4 个集装箱运输，5-14 天现场组装，不停产改造可行。 04 ISCC PLUS + ISO 14067 双认证文件包是 BOPET 客户进入品牌绿色采购的关键钥匙。 → 继续阅读 → 完整案例：BOPET 移动式撬装项目 → DMT 产品详情 → 甲醇解工艺与撬装方案能力 → 术语：BOPET 双向拉伸薄膜 → 术语：光学级聚酯 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/insights/dmt-vs-pta-route-selection-guide Title: DMT 还是 PTA？聚酯采购路线选择指南 | 锐赛克 Description: 从工艺成熟度、原料波动、产品品质、ESG 合规四个维度对比 DMT 与 PTA 路线，并给出新建、改造、出口欧盟三类场景的决策建议。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 深度洞察 工艺路线 首页 / 深度洞察 / DMT vs PTA 路线选择指南：聚酯采购的工艺、成本、ESG 三维决策框架 工艺路线 2026-05-20 14 分钟阅读 锐赛克技术中心 DMT vs PTA 路线选择指南：聚酯采购的工艺、成本、ESG 三维决策框架 聚酯采购应选 DMT 路线还是 PTA 路线？从工艺成熟度、原料端波动、产品品质、ESG 合规四个维度系统对比，并给出新建装置 / 既有产线改造 / 出口欧盟客户三类典型场景的决策建议。 过去十年中国聚酯产能从 4,800 万吨/年增长至 7,800 万吨/年，但 95% 仍依赖 PTA + EG 缩聚路线，导致整个产业链 Scope 3 排放与原料价格波动暴露在 PX → PTA 单一传导链上。2024 年下半年 PTA 价格振幅达 30%、CBAM 碳边境调节机制 2026 全面实施、品牌商再生塑料承诺已写入 IFRS S2 披露要求——这些信号共同把 DMT vs PTA 的路线选择从纯工艺问题升级为聚酯采购的核心战略议题。 一、工艺成熟度与产物对比 PTA 路线由石化对二甲苯（p-Xylene）经空气催化氧化得到 PTA，再与 EG 缩聚为 PET，工艺成熟度高、单位投资低、规模效应明显，自 1970s 以来支配全球聚酯产能。 DMT 路线在化学回收工艺成熟之前，原本只作为 PTA 路线的工艺替代——DMT 由甲醇与对苯二甲酸酯化得到，与 EG 经过酯交换聚合为 PET。该原始 DMT 路线因步骤多、能耗高，1990s 之后基本被 PTA 路线取代。 当前 DMT 路线复兴源于「化学回收 DMT」的工业化：以废 PET 为原料、甲醇为反应物，分子级解聚为 DMT + EG。锐赛克 GREEN CIRCLE 工艺在 155-170°C / 0.1-0.3 MPa 下实现 ≥98% 转化率、≤5 APHA 产品色度，与原生 PTA 路线产品在分子级别等同，且 DMT 可直接进入 PBT / PETG / PCTG / PET 四大下游。 关键差异：PTA 路线只能进入 PET（PTA 不溶于多数二元醇，下游适配窄），而 DMT 是「全聚酯单体」，可灵活配置 PBT 工程塑料、PETG 高端共聚酯、PCTG 医疗级共聚酯、PET 通用聚酯——这给采购方提供下游灵活性。 二、原料端价格波动与供应稳定性 PTA 原料端：PX → PTA → EG 三段链条均依赖原油价格传导。2024 年 PTA 价格在 5,400-7,200 元/吨区间振幅 30%，PX 装置检修周期叠加地缘冲突可在 2 周内造成 800 元/吨的价差跳变。 DMT 路线（化学回收）原料端：废 PET 为「逆向供应链」原料，价格与原油低相关性。瓶级 PET 废料长期稳定在 3,800-4,500 元/吨，边角料 4,800-5,200 元/吨，分子化学法工艺单吨原料消耗 PET 1.05-1.10 吨。 锐赛克实际工艺成本统计（2025 Q1-Q3）：化学法 DMT 单吨原料 + 甲醇 + 催化剂 + 能耗约 6,800 元/吨，对应 PET 端价 4,000 元/吨场景；同期 PTA 路线综合成本 6,200-7,500 元/吨区间剧烈波动。化学法 DMT 路线在原料端价格稳定性上有结构性优势。 供应稳定性：化学法 DMT 装置可分布式部署，单装置规模 350-5,000 t/y 即可经济可行，相对 PTA 装置 100 万吨/年的最小经济规模，更适合下游品牌客户「就地再生」需求。锐赛克 BOPET 移动式撬装案例（年处理边角料 500 吨）即此类应用。 三、产品品质与下游适配 聚酯级 DMT vs PTA 产品对比（聚酯下游使用关键指标）： 色度：化学法 DMT ≤5 APHA（典型 2-3 APHA）；PTA 路线 PET 色度 b 值 1.0-2.0；化学法 DMT 在光学级 BOPET / 高端母婴 PETG 应用上有显著优势。 酸值：化学法 DMT ≤0.01 mg KOH/g；PTA 路线 PET 残留酸值 0.03-0.06；DMT 路线下游聚合反应活性更高、缩聚时间缩短 8-12%。 金属残留：化学法 DMT Sb ≤0.3 ppm（Zn 残留）；PTA + Sb₂O₃ 催化体系 PET Sb 残留 ≤80 ppm；DMT 路线产品在食品接触 / 医疗器械合规上更易满足 FDA / EFSA 检测。 二甘醇（DEG）含量：化学法 DMT 路线 PET 副产 DEG 0.6-0.8%；PTA 路线 0.9-1.3%；DEG 含量低意味 PET 结晶速率更稳、纤维 / 薄膜机械性能更佳。 下游 PBT 工程塑料原料端约 95% 仍使用 DMT 路线（因 PTA 不适配 PBT 工艺），新能源汽车连接器 / 电子电器外壳 / 5G 基站组件市场对低色度、低酸值 DMT 需求持续增长。 四、ESG 合规与碳足迹差异 CBAM 欧盟碳边境调节机制虽首批不直接覆盖聚酯，但欧盟客户已要求供应商提供 ISO 14067 PCF 报告与第三方核查。2024 年起 P&G / Coca-Cola / Unilever 等 12 家头部品牌将「再生塑料含量 ≥25%」写入 2025-2027 供应商合规清单。 DMT 路线（化学回收）ISO 14067 第三方核查 PCF：~1.4 t CO₂e / t DMT。PTA 路线（石化）基准 PCF：~2.8-3.2 t CO₂e / t 聚酯单体。差距 1.4-1.8 t CO₂e 单吨。 锐赛克 DMT 已获 ISCC PLUS 质量平衡认证，可标注「再生原料含量 X%」对接客户 ESG 披露。该认证体系是品牌商绿色采购供应商准入的事实标准。 一个 5 万吨/年 PET 装置改用 50% 化学法 DMT 替代后，年 Scope 3 减排约 35,000 t CO₂e，相当于 19,000 户家庭年用电碳排，并直接进入品牌商 ISCC PLUS 采购清单。 五、三类典型场景的决策建议 场景 A · 新建聚酯装置（综合产品组合）：建议采用「DMT 路线 + PTA 路线双轨」配置，DMT 路线 30% 喂料满足 PBT / PETG / PCTG 高端产品和 ESG 合规需求，PTA 路线 70% 喂料服务通用 PET 产能。短期投资稍高（DMT 装置单吨产能投资 1.8-2.5 万元），但 3-4 年内通过 ESG 溢价与高端产品毛利回收。 场景 B · 既有 PTA 路线改造：建议「就地再生」化学法 DMT 模块化撬装装置，规模 500-2,000 t/y，处理工厂内部废 PET 边角料 / 次品聚酯，DMT 内循环回用至 PBT 配套生产或对外销售。锐赛克 BOPET 移动式撬装案例（500 t/y、占地 280 m²、4 个集装箱即可运输）证明该改造路径技术可行、经济合理（4.2 年投资回收期）。 场景 C · 出口欧盟 / 北美客户：建议优先采用化学法 DMT 路线，配套 ISCC PLUS + ISO 14067 PCF 双认证文件包。CBAM 全面实施后 PTA 路线 PET 出口隐含碳成本将提升约 80-130 美元/吨，化学法 DMT 路线可显著降低或免除该成本。 六、决策清单（采购方自查） 下游产品组合是否包含 PBT / PETG / PCTG ？包含 → DMT 路线必要。 客户中是否有 ESG 披露要求或品牌商绿色采购清单？是 → DMT 路线优先。 出口目的地是否涉及欧盟 / 加州 / 加拿大碳监管？是 → DMT 路线 + ISCC PLUS 双认证。 现有装置废 PET 处置成本 ≥1,000 元/吨？是 → 评估化学法 DMT 内循环再生方案。 厂区可用空间 ≥300 m²、电力 / 蒸汽公用工程齐备？是 → 模块化撬装方案 6-10 个月即可投产。 投资回收期容忍度 ≤5 年？是 → 化学法 DMT 项目经济性已被锐赛克 3 个客户案例验证。 ∑ 关键结论 01 化学法 DMT 路线相较 PTA 路线产品色度低 3-5×、酸值低 5×、金属残留低 30×、PCF 低 50%。 02 PTA 路线在通用 PET 大宗市场仍具规模成本优势；DMT 路线在 PBT / PETG / PCTG 高端市场不可替代。 03 CBAM + 品牌商绿色采购清单将在 2026-2027 年根本性改变聚酯采购成本结构，提前布局化学法 DMT 路线获取 ESG 溢价。 04 新建装置建议「DMT + PTA 双轨」，既有装置建议「就地再生 + 模块化撬装」，出口客户建议「ISCC PLUS + ISO 14067」双认证。 → 继续阅读 → 对苯二甲酸二甲酯 (DMT) 产品详情 → GREEN CIRCLE 化学法甲醇解工艺 → 案例：BOPET 边角料移动式撬装再生项目 → 可持续发展政策与 CBAM → 术语：ISCC PLUS 认证 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/insights/iscc-plus-mass-balance-explained Title: ISCC PLUS 质量平衡认证与化学回收 DMT | 锐赛克 Description: 讲解质量平衡核算原理、ISCC PLUS 认证流程、产销监管链与 Scope 3 衔接，以及化学回收 DMT 进入品牌绿色采购清单的路径。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 深度洞察 认证与合规 首页 / 深度洞察 / ISCC PLUS 质量平衡认证详解：化学回收 DMT 如何接入品牌绿色采购供应链 认证与合规 2026-05-20 11 分钟阅读 锐赛克 ESG 团队 ISCC PLUS 质量平衡认证详解：化学回收 DMT 如何接入品牌绿色采购供应链 ISCC PLUS 是品牌商绿色采购供应商准入的事实标准。本文系统讲解质量平衡（Mass Balance）核算原理、ISCC PLUS 认证流程、产销监管链（CoC）、Scope 3 披露衔接，以及锐赛克 DMT 通过 ISCC PLUS 进入品牌客户绿色采购清单的实操路径。 P&G、Coca-Cola、Unilever、Nestlé、L'Oréal 等 12 家头部品牌已将「再生塑料含量 ≥25%」写入 2025-2027 年供应商合规清单，但化学回收得到的 DMT / EG 与原生石化产品在分子级别等同，下游聚酯生产商混合使用时无法物理分辨。ISCC PLUS 质量平衡认证解决了这个商业可执行性问题——本文系统讲解其原理、流程、与 Scope 3 衔接，以及锐赛克 DMT 通过 ISCC PLUS 进入品牌客户绿色采购清单的实操路径。 一、为什么需要质量平衡认证 物理混合的现实困境：化学回收 DMT（来自废 PET）与原生 DMT（来自 PTA）分子结构完全一致，CAS 号同为 120-61-6，下游 PBT / PETG / PCTG / PET 聚合工序无法物理分辨。如果要求严格的物理隔离（Segregated）追溯，下游聚酯企业必须为再生原料单独建生产线 / 储罐 / 包装线，经济上不可行。 质量平衡（Mass Balance）的本质：允许物理混合，按输入比例分配再生属性到部分产品上。例如某 PET 装置一年投料 10,000 吨 DMT（其中 2,000 吨化学回收 DMT + 8,000 吨原生 DMT），生产 12,500 吨 PET——质量平衡允许将其中 2,500 吨 PET 标记为「100% 再生原料含量」，剩余 10,000 吨为「常规」。整体「再生原料配额」与物理输入比例严格一致。 这种核算方法在生物燃料、可再生柴油、可再生 PE / PP 等行业已应用 15 年，由 ISCC、RSB、Bonsucro 等独立第三方认证机构维护。化学回收聚酯单体是最新拓展的产品类别。 二、ISCC PLUS 认证体系架构 ISCC（International Sustainability and Carbon Certification）由德国 ISCC System GmbH 维护，分 ISCC EU（生物燃料指令对接）+ ISCC PLUS（自愿市场）两条线。化学回收聚酯单体属 ISCC PLUS 范围。 产销监管链（Chain of Custody, CoC）层级： 第 1 层：原料端 — 废 PET 收集者（如再生瓶片回收站、聚酯薄膜厂内部边角料系统）需 ISCC PLUS 收集点认证。 第 2 层：化学回收生产者 — 锐赛克 DMT 装置已取得 ISCC PLUS 制造商认证，每批次签发再生原料证书（含再生百分比、原料类型、生产时间）。 第 3 层：下游聚酯生产商 — 客户 PET / PBT / PETG / PCTG 装置取得 ISCC PLUS 加工商认证后，可按质量平衡核算「再生含量产品」。 第 4 层：品牌商 — 接收下游聚酯生产商的 ISCC PLUS 证书 + Mass Balance 凭证，用于自身 ESG 披露与「再生材料含量」标识合规。 每年由 ISCC 认可的第三方（如 SGS、TÜV Rheinland、Bureau Veritas）现场审核一次，包括物料平衡、文件记录、CoC 完整性。 三、与 ISO 14067 PCF / Scope 3 的衔接 ISCC PLUS 解决「再生原料属性追溯」问题；ISO 14067 PCF 解决「产品碳足迹量化」问题。两者互补：ISCC PLUS 决定可标注「再生含量 X%」、ISO 14067 决定可标注「碳足迹 Y kg CO₂e/kg」。 锐赛克 DMT 双轨认证文件包：ISCC PLUS 质量平衡证书（年度更新）+ ISO 14067 PCF 报告（SGS 第三方核查，每年更新）。两文件 PDF 共 ~25 页，客户询盘时一并提供。 Scope 3 衔接路径：品牌客户（如 Coca-Cola）通过 CDP / DJSI 披露其包装材料 Scope 3 减排数据，需要其供应商（PET 瓶生产者）提供 ISO 14067 PCF；PET 瓶生产者通过质量平衡分配再生原料后，可在 PCF 报告中体现「再生原料含量 X% 对应单位 PCF 下降 Y kg CO₂e」。 锐赛克化学法 DMT 单吨 PCF 1.4 t CO₂e（PTA 路线 2.8-3.2 t），单位 PCF 下降 50%。50% 再生原料含量 PET 实际 PCF 降低 25%。 四、锐赛克 DMT 的 ISCC PLUS 认证现状 锐赛克认证时间线：2024 Q4 启动 ISCC PLUS 体系搭建；2025 Q2 完成首次现场审核（SGS 中国实施）；2025 Q3 取得 ISCC PLUS 制造商认证（认证号 ISCC-PLUS-XXX-2025）。 认证范围：5,000 t/y DMT + 1,600 t/y EG 全产能。原料：废 PET 瓶片 + 聚酯纤维废料 + BOPET 边角料三类。质量平衡核算单元：DMT + EG 联合质量平衡（Co-product Mass Balance）。 客户接入流程：(1) 客户向锐赛克销售索取 ISCC PLUS + ISO 14067 文件包；(2) 客户内部 ESG 团队对接锐赛克 ESG 团队完成 CoC 衔接；(3) 客户自身取得 ISCC PLUS 加工商认证（如尚未取得，锐赛克可提供推荐认证服务商）；(4) 锐赛克按订单签发再生原料凭证。 已支持的品牌客户合规承诺：(1) Coca-Cola 25% 再生 PET 2025；(2) Unilever 25% 再生塑料 2025；(3) P&G 50% 再生塑料 2030；(4) Nestlé 1/3 再生 PET 2025；(5) L'Oréal 50% 再生塑料 2025。 五、常见问题与误区 问：质量平衡是不是「漂绿」？答：不是。ISCC、RSB 等体系经欧盟 RED II / RED III 法律承认，物料平衡审计严格、年度第三方核查、CoC 文件 7 年留存。 问：再生原料含量可以叠加吗？答：不可以。如果一吨 PET 中再生含量 25%，该 25% 不能在下游再次「分配」；ISCC CoC 文件一次性追溯到底层原料。 问：ISCC PLUS 与 GRS（Global Recycled Standard）有什么区别？答：GRS 要求物理隔离追溯，主要适用于纺织品；ISCC PLUS 允许质量平衡，适用于化工 / 聚合物。化学回收聚酯优先选 ISCC PLUS。 问：认证成本与时间？答：制造商认证首次审核费用约 8-15 万人民币（视范围），首次完成时间 4-6 个月。年度复审 5-8 万。 ∑ 关键结论 01 ISCC PLUS 质量平衡是化学回收聚酯进入品牌商绿色采购供应链的事实标准。 02 CoC 产销监管链贯穿原料 → 制造 → 加工 → 品牌四层，每层独立认证，年度第三方核查。 03 ISCC PLUS（再生属性）+ ISO 14067（碳足迹）双认证是品牌 Scope 3 披露的完整文件包。 04 锐赛克 DMT 已取得 ISCC PLUS 制造商认证，全产能覆盖；客户接入流程 ≤8 周即可对接完成。 → 继续阅读 → 可持续发展概览 → CBAM 与 ESG 政策 → ISCC PLUS 认证 DMT 产品 → 术语：质量平衡 → 术语：Scope 3 排放 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news Title: 新闻资讯 - DMT行业动态与公司新闻 | 锐赛克 Description: 关注DMT价格行情、对苯二甲酸二甲酯市场前景、聚酯原料供应链与锐赛克公司动态，获取DMT采购和应用资讯。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 新闻中心 新闻与洞察 掌握DMT行业动态、价格趋势、采购指南与锐赛克最新进展 首页 / 新闻动态 全部 公司动态 行业聚焦 市场前沿 技术解析 01 技术解读 2026-06-02 聚酯纤维废料化学法再生工艺详解：从废涤纶到高纯度DMT与乙二醇 锐赛克详解聚酯纤维废料（废涤纶）的化学法再生工艺路径：预处理脱杂、甲醇解聚（醇解）、DMT与乙二醇分离提纯，实现废弃纺织品向聚酯级原料的闭环转化，产品纯度≥99.9%。 阅读更多 02 技术解析 2026-05-21 低温常压甲醇解PET制聚合级DMT：锐赛克新质生产力工艺技术全景解析 锐赛克联合浙江大学绿碳联合研究中心，开发出在 64.5°C 常压回流条件下完成 PET 化学法解聚的颠覆性工艺，PET 转化率 99.2%、DMT 选择性 99.5%、产品纯度 99.75%，设备投资降低 60%+、能耗下降 45-50%，已在千吨级/年量产装置稳定运行。 阅读更多 03 技术解析 2026-05-13 面向全球品牌的低碳DMT联合研发平台：锐赛克如何承接下一代闭环聚酯材料合作 全球品牌正在把低碳材料选择前移到聚酯单体端。锐赛克以化学法高纯度DMT生产、甲醇解工艺研发和闭环材料体系建设能力，面向消费包装、快时尚、新能源汽车与高端聚酯应用，探索排他性联合研发、样品验证和长期预购锁定长协。 阅读更多 04 市场前沿 2026-05-11 2026全球供应链重塑：DMT市场研判、价格走势与中国采购战略指南 深度剖析2026年DMT全球供需格局变革，从宏观市场研判、PX-DMT成本传导机制、PTA替代博弈，到中国一体化优势与低成本采购战略，为供应链高管提供兼具战略高度与落地价值的情报指南。 阅读更多 05 技术解析 2026-05-11 对苯二甲酸二甲酯 (CAS 120-61-6) 采购与技术规格审查完全指南 本文针对DMT的物理属性、纯度指标（>99.9%）、三种物理形态（固体片状/团块/液体）的匹配场景、PBT下游应用转化链路、以及COA与MSDS供应商审查机制进行全面拆解，为采购工程师提供系统化参考。 阅读更多 06 技术解析 2026-05-10 深度解析对苯二甲酸二甲酯 (DMT)：现代高附加值聚酯工业的核心驱动力 本文深入剖析对苯二甲酸二甲酯(DMT)这一关键基础原料，对比其与PTA的工艺差异，并详细拆解其在高纯度、高光学要求的高附加值应用领域（如PBT、特种PET薄膜、医疗级PETG）的不可替代性。 阅读更多 加载更多新闻 订阅资讯 关注锐赛克，获取最新绿碳技术与行业报告 订阅新闻通讯，及时了解 DMT 市场趋势、采购指南、产品技术与锐赛克最新动态。 技术前沿资讯 行业深度报告 环保政策解读 Email 立即订阅 我们承诺保护您的隐私，绝不发送垃圾邮件。 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/1 Title: 浙大绿碳联合研究中心正式签约共建 | 锐赛克 Description: 锐赛克联合浙江大学共建绿碳联合研究中心，围绕高纯度DMT、乙二醇联产与催化剂体系开展长期研发，三年投入超千万元。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / 锐赛克与浙江大学共建绿碳联合研究中心：聚焦高纯度DMT工艺与低碳聚酯原料研发 公司动态 锐赛克与浙江大学共建绿碳联合研究中心：聚焦高纯度DMT工艺与低碳聚酯原料研发 锐赛克联合浙江大学长三角智慧绿洲创新中心建设绿碳联合研究中心，围绕高纯度对苯二甲酸二甲酯(DMT)、乙二醇联产、催化剂体系和低碳聚酯原料开展长期研发，为PBT、PET、PETG等下游应用提供技术支撑。 2026-04-28 · 约 3 分钟阅读 速读摘要 锐赛克联合浙江大学长三角智慧绿洲创新中心建设绿碳联合研究中心，围绕高纯度对苯二甲酸二甲酯(DMT)、乙二醇联产、催化剂体系和低碳聚酯原料开展长期研发，为PBT、PET、PETG等下游应用提供技术支撑。 关键词：浙江大学 · 绿碳联合研究中心 · 高纯度DMT · 对苯二甲酸二甲酯生产厂家 · 化学法DMT生产工艺 产学研深度融合，打造高纯度DMT研发平台 近日，浙江大学长三角智慧绿洲创新中心院企联合实验室签约仪式在浙江嘉兴市举行。锐赛克（杭州）新材料与浙大联合共建的 浙江大学智慧绿洲-锐赛克绿碳联合研究中心 在会上正式签约揭牌。 对锐赛克而言，此次合作不仅是绿色低碳技术研发平台建设，也是围绕高纯度对苯二甲酸二甲酯（DMT，CAS 120-61-6）、乙二醇（EG）联产、催化剂体系和聚酯级原料质量控制的长期研发投入。DMT作为PBT、PET、PETG和特种聚酯的重要单体，对纯度、色度、酸值和批次稳定性要求较高，产学研协同有助于提升产品一致性和规模化交付能力。 嘉兴市委常委、嘉善县委书记江海洋，浙江大学副校长周江洪，县四套班子领导张锡锋、钱学勤、顾新宇、曹惠明，在善科创平台的专家、嘉善县相关部门、街镇领导、相关企业代表参加了大会。 四大联合研究中心，共建产学研创新生态 在院企联合实验室签约仪式上，智慧绿洲创新中心与锐赛克（杭州）新材料有限公司、深圳市洲明科技股份有限公司、浙江东博建设有限公司、浙江中扬立库技术有限公司等4家公司签约，共建联合研究中心或联合实验室。 签约企业一览 企业名称 合作领域 锐赛克（杭州）新材料 高纯度DMT工艺、低碳聚酯原料与绿色化工技术 深圳市洲明科技 LED照明与光电技术 浙江东博建设 绿色建筑与节能材料 浙江中扬立库 智能仓储与物流系统 三年千万投入，冲刺省市重点实验室 此次双方优势互补成立绿碳联合研究中心，将在 3年合作期内共同投入超千万元 ，依托浙江大学相关优势学科技术团队，进一步引进、强化人才梯队，计划建成省市重点实验室。 合作投入规划 总投入 ：超1000万元（3年） 人才引进 ：计划新增博士/硕士研究人员10-15名 设备采购 ：催化剂研发平台、分析测试中心 产业化目标 ：建成省市重点实验室，孵化1-2个产业化项目 突破DMT关键工艺，服务低碳聚酯供应链 绿碳联合研究中心将聚焦 绿色新材料单体的关键技术攻关及成套化工艺打造 ，通过催化剂、纯化、连续化生产和质量检测方法创新，提升DMT产品纯度、批次稳定性和低碳供应能力，为下游聚酯材料企业提供更稳定的原料选择。 重点攻关方向 高效催化剂体系 ：开发新一代固体碱催化剂，提升反应效率40%以上 工艺包国产化 ：实现万吨级产业化工艺包的自主设计 高端产品开发 ：聚酯级、高纯度DMT及下游高端应用原料的工业化生产 标准体系建设 ：参与制定3-5项国家/行业标准 研究中心核心优势 顶尖科研团队 ：依托浙江大学化工、材料学科优势，拥有院士1名、长江学者2名 产业化导向 ：聚焦可量产的工程化技术，而非纯基础研究 全链条布局 ：从催化剂研发到工艺包交付，覆盖完整技术链 绿色低碳 ：碳足迹优于行业平均水平30%以上 作为高纯度DMT和乙二醇生产供应企业，锐赛克将以此次合作为契机，持续提升DMT生产工艺、检测能力和低碳供应链服务能力，为PBT、PET、PETG、涂料树脂和特种聚酯客户提供更可靠的原料支持。 锐赛克视角：研发合作最终要转化为稳定供应 对下游客户而言，研发平台的价值最终体现在可采购的产品上，包括稳定的DMT纯度、可追溯的COA/MSDS文件、明确的交付周期和可持续的价格体系。锐赛克将持续把高校研发能力与产业化装置结合，推动高纯度对苯二甲酸二甲酯从技术验证走向长期批量供应。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 浙江大学 绿碳联合研究中心 高纯度DMT 对苯二甲酸二甲酯生产厂家 化学法DMT生产工艺 低碳DMT 乙二醇联产DMT 聚酯级DMT DMT COA质检报告 CAS 120-61-6 生产厂家 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 公司动态 2026-04-28 锐赛克与浙江大学共建绿碳联合研究中心：聚焦高纯度DMT工艺与低碳聚酯原料研发 锐赛克联合浙江大学长三角智慧绿洲创新中心建设绿碳联合研究中心，围绕高纯度对苯二甲酸二甲酯(DMT)、乙二醇联产、催化剂体系和低碳聚酯原料开展长期研发，为PBT、PET、PETG等下游应用提供技术支撑。 阅读更多 02 公司动态 2026-03-15 锐赛克黄冈基地年产5000吨DMT与1600吨乙二醇：高纯度聚酯原料供应能力升级 锐赛克（湖北）新材料建设年产5000吨对苯二甲酸二甲酯(DMT)及1600吨乙二醇(EG)生产线，面向PBT、PET、PETG和聚酯纤维客户提供高纯度DMT、COA/MSDS文件、批发采购和定制供应服务。 阅读更多 03 技术解读 2026-06-02 聚酯纤维废料化学法再生工艺详解：从废涤纶到高纯度DMT与乙二醇 锐赛克详解聚酯纤维废料（废涤纶）的化学法再生工艺路径：预处理脱杂、甲醇解聚（醇解）、DMT与乙二醇分离提纯，实现废弃纺织品向聚酯级原料的闭环转化，产品纯度≥99.9%。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/10 Title: DMT采购指南：片状、团块与液体如何选 | 锐赛克 Description: 对比DMT片状、团块和液体形态在包装、运输、投料与储存上的差异，帮助PBT、PET、PETG客户匹配自身装置条件。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / DMT采购指南：固体片状、团块与液体对苯二甲酸二甲酯如何选择 行业聚焦 DMT采购指南：固体片状、团块与液体对苯二甲酸二甲酯如何选择 对比DMT固体片状、团块和液体形态在包装、运输、投料、储存和下游应用中的差异，帮助PBT、PET、PETG客户制定对苯二甲酸二甲酯采购策略。 2025-11-12 · 约 4 分钟阅读 速读摘要 对比DMT固体片状、团块和液体形态在包装、运输、投料、储存和下游应用中的差异，帮助PBT、PET、PETG客户制定对苯二甲酸二甲酯采购策略。 关键词：DMT采购 · 对苯二甲酸二甲酯采购 · Dimethyl Terephthalate solid flake · DMT Briquette FOB Busan South Korea · 对苯二甲酸二甲酯片 DMT不同形态会影响采购和投料效率 对苯二甲酸二甲酯（DMT）常见交付形态包括固体片状、团块和液体。不同形态在包装、储存、运输、熔融、投料和自动化程度上存在差异。采购方在询价时应结合自身装置条件，而不是只比较单吨价格。 固体片状DMT 固体片状DMT便于袋装、仓储和小批量试用，适合样品验证、间歇式生产和对投料灵活性要求较高的客户。 储存方便 ：适合吨袋或袋装交付 投料灵活 ：适合多品种、小批量生产 验货直观 ：便于观察外观、色泽和结块情况 主要关注点 ：需要注意防潮、防结块和包装完整性。 DMT团块或颗粒 DMT团块或颗粒适合大宗贸易和港口交付，包装效率高，适合长期批量采购客户。 适合批量采购 ：便于大包装和集中运输 装卸效率较高 ：适合固定供应链 质量文件要求高 ：应按批次核对COA 采购时建议确认团块尺寸、包装规格、批次号、纯度和水分指标。 液体DMT 液体DMT适合具备保温储罐、管线输送和连续投料条件的客户，可减少人工拆包和固体熔融环节。 适合连续化生产 对保温、储罐和安全管理要求更高 适合长期稳定用量客户 采购液体DMT前，应确认到厂卸货条件、储罐温控能力和安全操作规程。 DMT采购策略建议 DMT形态 适用客户 采购关注点 固体片状 样品验证、小批量、多品种生产 防潮、结块、包装完整性 团块/颗粒 大宗采购、固定供应链 批次COA、包装规格、装卸效率 液体DMT 连续化生产、长期稳定用量 保温储运、储罐条件、安全规范 从采购风险控制角度，建议客户先进行小样验证和试生产，再根据装置条件确定长期采购形态。锐赛克可根据客户需求提供DMT样品、COA/MSDS、包装规格和批发报价沟通。 常见问题 (FAQ) Q1: DMT 片状、团块与液体三种形态有何差异？ 片状 DMT (1–5 mm 薄片)：投料便捷、计量精准，适合实验室 / 小批量；团块 DMT (粒径 10–30 mm)：包装紧凑、装卸效率高，适合大宗采购；液体 DMT (熔融态)：连续投料、节省熔化能耗，适合大型连续聚合装置，但需保温储运。 Q2: 不同形态 DMT 的 MOQ 与包装规格是什么？ 片状 / 团块 MOQ 1 吨，25 kg 内衬塑料编织袋或 500–1000 kg FIBC 大袋；液体 DMT 最小 25 t ISO 集装罐起订，专用保温槽罐运输。 Q3: 液体 DMT 储运需要什么条件？ 液体 DMT 需保温槽罐 (150°C 以上) 防止固化、N₂ 保护防氧化、密封防潮、防火源；卸料系统配套加热与计量。短途陆运 24 h 内、长途海运需配置加热模块。 Q4: 片状 / 团块 DMT 如何储存？ 干燥阴凉环境 (≤30°C, RH ≤60%)、密封防潮、远离火源与氧化剂、避光保存。常温下保质期 12–24 个月。 Q5: 如何根据装置条件选择 DMT 形态？ 小试 / 中试装置 → 片状；间歇式聚合 / 中型量产 → 团块；连续聚合 / 万吨级生产线 → 液体。锐赛克可根据客户装置类型推荐形态、提供小样试用与切换方案。 相关阅读与内部链接 了解锐赛克高纯度产品详情： 对苯二甲酸二甲酯 (DMT, CAS 120-61-6) — 产品详情、技术规格、MSDS / COA 下载 乙二醇 (Ethylene Glycol, EG / MEG, CAS 107-21-1) — 产品详情、技术规格、MSDS / COA 下载 化学法 DMT 生产工艺与核心技术 DMT / EG 市场前景与品牌商再生塑料承诺 国家政策：废塑料化学循环战略性新兴产业 应用案例：浙江大学联合研发中心 / 黄冈千吨级项目 联系销售：获取 DMT 报价、样品申请、COA 索取 关于锐赛克 杭州锐赛克新材料有限公司是专业的化学法 DMT 与乙二醇生产厂家。年产 DMT 5,000 吨 + 乙二醇 1,600 吨，产品纯度 ≥99.9%，达聚酯级原生材料标准。与浙江大学共建联合研发中心，拥有 12 项核心专利，通过 ISO 14001 + ISO 9001 体系认证。产品覆盖 PBT、PETG、PCTG、PET 树脂、聚酯纤维、聚酯涂料、汽车防冻液、不饱和聚酯树脂等领域，支持国内陆运 + 海运出口 (EXW / FOB / CIF / DAP)，提供 1 吨起订、7–30 天交期、定制 COA、样品申请、ESG 文件支持等服务。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 DMT采购 对苯二甲酸二甲酯采购 Dimethyl Terephthalate solid flake DMT Briquette FOB Busan South Korea 对苯二甲酸二甲酯片 对苯二甲酸二甲酯液体 Buy Dimethyl Terephthalate in bulk China DMT CIF Shanghai spot market CAS 120-61-6 supplier 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 行业聚焦 2025-11-12 DMT采购指南：固体片状、团块与液体对苯二甲酸二甲酯如何选择 对比DMT固体片状、团块和液体形态在包装、运输、投料、储存和下游应用中的差异，帮助PBT、PET、PETG客户制定对苯二甲酸二甲酯采购策略。 阅读更多 02 行业聚焦 2025-08-22 DMT供应商合规审查指南：危化品管理、ISO 14001与COA/MSDS文件要点 采购对苯二甲酸二甲酯不仅要看价格和纯度，也要审查供应商的危化品管理、环保合规、ISO 14001体系、COA/MSDS文件和批次追溯能力。 阅读更多 03 行业聚焦 2025-04-10 再生材料政策推动低碳聚酯原料发展：DMT供应商如何抓住产业升级机会 国家多部门推动再生材料和绿色低碳产业应用，为低碳DMT、高品质聚酯原料和对苯二甲酸二甲酯供应链带来长期机会。锐赛克从DMT生产、质量文件和下游应用角度解读政策影响。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/11 Title: DMT催化剂与四级纯化技术解析 | 锐赛克 Description: 解析DMT生产中的催化剂体系、反应效率、重金属控制与精制纯化，说明供应商如何保障纯度≥99.9%与批次一致性。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / DMT催化剂与纯化技术：高纯度对苯二甲酸二甲酯如何实现稳定批量生产 技术解析 DMT催化剂与纯化技术：高纯度对苯二甲酸二甲酯如何实现稳定批量生产 解析DMT生产中的催化剂、反应效率、重金属控制、精制纯化和批次稳定性，说明高纯度对苯二甲酸二甲酯供应商如何保障纯度≥99.9%与COA一致性。 2025-07-20 · 约 3 分钟阅读 速读摘要 解析DMT生产中的催化剂、反应效率、重金属控制、精制纯化和批次稳定性，说明高纯度对苯二甲酸二甲酯供应商如何保障纯度≥99.9%与COA一致性。 关键词：DMT催化剂 · DMT纯化技术 · 高纯度对苯二甲酸二甲酯 · DMT purity parameter >99.9% · 化学法DMT生产工艺 催化剂体系：DMT稳定生产的核心 DMT生产涉及酯化、酯交换、精制纯化等多个环节。催化剂体系会影响反应速率、转化率、副产物生成和后续纯化难度，最终决定DMT纯度、色度、酸值和批次稳定性。 常规催化剂类型对比 催化剂类型 优点 缺点 碱金属碳酸盐 Na₂CO₃、K₂CO₃ 价格低廉 ️ 需高温高压 180-200°C, 0.5-1.5MPa 锌盐 醋酸锌 催化活性更高 ️ 重金属污染顾虑 制约食品级应用 离子液体 活性较高 ️ 成本高、规模化难度大 锐赛克催化与纯化控制体系 锐赛克研发团队围绕高纯度 DMT 生产，持续优化催化剂、反应条件、精制纯化和检测方法，目标是在规模化生产中稳定实现聚酯级 DMT 指标，并减少批次波动。 控制维度 指标 / 参数 说明 催化活性 160°C · 常压 反应条件温和，无需高压设备 DMT 纯度 ≥99.9% 聚酯级目标，每批次 GC 检测 批次稳定 COA 全程 第三方实验室检测 + 批次留样追溯 重金属 ≤0.5 ppm 四级纯化后接近零检出，满足食品级 技术参数详解 锐赛克催化剂核心参数 反应温度 160°C（较传统工艺降低20-40°C） 反应压力 常压（无需高压设备） 反应时间 2小时以内 （传统工艺需8-12小时） 效率提升 40%以上 （较传统催化剂） 再生处理 550°C焙烧2小时 技术壁垒： 高纯度DMT生产的难点不只是反应转化率，还包括副产物控制、重金属控制、色度控制、结晶精制和批次质量管理。采购方应通过样品验证和COA趋势判断供应商真实能力。 常见问题 (FAQ) Q1: DMT 生产常用催化剂有哪些？ DMT 醇解工艺常用：醋酸锌 (Zn(OAc)₂)、醋酸锰 (Mn(OAc)₂)、四丁基钛酸酯 (TBT)、固体酸碱催化剂。锐赛克采用自主研发的复合催化体系，反应温度低、选择性高、副产物少。 Q2: 催化剂金属残留如何控制？ 通过多级精馏 + 离子交换 + 螯合树脂吸附三步法，将 Zn / Mn / Fe 等金属残留控制在 ≤0.5 ppm，远低于聚酯级行业标准 (≤2 ppm)。 Q3: 锐赛克 DMT 纯化技术核心是什么？ 四级纯化体系：① 一次精馏脱轻组分 (甲醇、低沸点酯)；② 活性炭脱色去醛酮；③ 分子筛精制深度脱水；④ 二次精馏脱重组分。最终纯度 ≥99.9%，色度 ≤5 APHA。 Q4: 如何保障 DMT 批次稳定性？ 单批次工艺参数锁定 (温度 RSD ≤0.5%、催化剂用量 RSD ≤1%) + DCS 在线监控 + 入库前 GC 抽样 + 第三方实验室 COA 双重检测，批次纯度 RSD ≤0.05%。 Q5: 催化剂寿命与回收率如何？ 锐赛克催化体系单次使用寿命 ≥6 个月，催化剂回收率 ≥95%，回收再生后活性保持率 ≥90%，显著降低生产成本与废催化剂处置压力。 相关阅读与内部链接 了解锐赛克高纯度产品详情： 对苯二甲酸二甲酯 (DMT, CAS 120-61-6) — 产品详情、技术规格、MSDS / COA 下载 乙二醇 (Ethylene Glycol, EG / MEG, CAS 107-21-1) — 产品详情、技术规格、MSDS / COA 下载 化学法 DMT 生产工艺与核心技术 DMT / EG 市场前景与品牌商再生塑料承诺 国家政策：废塑料化学循环战略性新兴产业 应用案例：浙江大学联合研发中心 / 黄冈千吨级项目 联系销售：获取 DMT 报价、样品申请、COA 索取 关于锐赛克 杭州锐赛克新材料有限公司是专业的化学法 DMT 与乙二醇生产厂家。年产 DMT 5,000 吨 + 乙二醇 1,600 吨，产品纯度 ≥99.9%，达聚酯级原生材料标准。与浙江大学共建联合研发中心，拥有 12 项核心专利，通过 ISO 14001 + ISO 9001 体系认证。产品覆盖 PBT、PETG、PCTG、PET 树脂、聚酯纤维、聚酯涂料、汽车防冻液、不饱和聚酯树脂等领域，支持国内陆运 + 海运出口 (EXW / FOB / CIF / DAP)，提供 1 吨起订、7–30 天交期、定制 COA、样品申请、ESG 文件支持等服务。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 DMT催化剂 DMT纯化技术 高纯度对苯二甲酸二甲酯 DMT purity parameter >99.9% 化学法DMT生产工艺 聚酯级DMT DMT COA质检报告 对苯二甲酸二甲酯供应商 CAS 120-61-6 生产厂家 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 技术解读 2026-06-02 聚酯纤维废料化学法再生工艺详解：从废涤纶到高纯度DMT与乙二醇 锐赛克详解聚酯纤维废料（废涤纶）的化学法再生工艺路径：预处理脱杂、甲醇解聚（醇解）、DMT与乙二醇分离提纯，实现废弃纺织品向聚酯级原料的闭环转化，产品纯度≥99.9%。 阅读更多 02 技术解析 2026-05-21 低温常压甲醇解PET制聚合级DMT：锐赛克新质生产力工艺技术全景解析 锐赛克联合浙江大学绿碳联合研究中心，开发出在 64.5°C 常压回流条件下完成 PET 化学法解聚的颠覆性工艺，PET 转化率 99.2%、DMT 选择性 99.5%、产品纯度 99.75%，设备投资降低 60%+、能耗下降 45-50%，已在千吨级/年量产装置稳定运行。 阅读更多 03 技术解析 2026-05-13 面向全球品牌的低碳DMT联合研发平台：锐赛克如何承接下一代闭环聚酯材料合作 全球品牌正在把低碳材料选择前移到聚酯单体端。锐赛克以化学法高纯度DMT生产、甲醇解工艺研发和闭环材料体系建设能力，面向消费包装、快时尚、新能源汽车与高端聚酯应用，探索排他性联合研发、样品验证和长期预购锁定长协。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/12 Title: DMT与乙二醇联产：服务聚酯产业链 | 锐赛克 Description: 年产5000吨DMT与1600吨乙二醇的协同供应能力，解析DMT与EG在PBT、PET、防冻液体系中的应用与联产采购价值。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / DMT与乙二醇联产供应：对苯二甲酸二甲酯厂家如何服务聚酯产业链 产品技术 DMT与乙二醇联产供应：对苯二甲酸二甲酯厂家如何服务聚酯产业链 锐赛克围绕年产5000吨DMT与1600吨乙二醇(EG)协同供应能力，解析DMT与EG在PBT、PET、聚酯纤维、防冻液和树脂体系中的应用价值，以及采购方如何评估联产供应商。 2025-06-25 · 约 3 分钟阅读 速读摘要 锐赛克围绕年产5000吨DMT与1600吨乙二醇(EG)协同供应能力，解析DMT与EG在PBT、PET、聚酯纤维、防冻液和树脂体系中的应用价值，以及采购方如何评估联产供应商。 关键词：乙二醇联产DMT · DMT与EG供应 · 对苯二甲酸二甲酯厂家 · 高纯度DMT · 聚酯级DMT DMT与乙二醇联产：服务聚酯产业链的双产品能力 聚酯产业链中，DMT与乙二醇（EG）常常同时出现在客户的原料组合中。锐赛克黄冈基地规划年产 5000吨DMT 与 1600吨乙二醇 ，能够为PBT、PET、聚酯纤维、防冻液和树脂客户提供更完整的原料供应沟通。 PET醇解的化学方程式 PET + 2CH₃OH → DMT + EG 甲醇解反应方程式 理论产量 0.86 吨 DMT / 吨PET 理论产量 0.31 吨 EG / 吨PET 接近100% 物质利用率 远优于热解路线 40-60% 乙二醇的产品规格与市场 产品规格： 锐赛克乙二醇产品面向工业级和聚酯产业链应用，重点控制纯度、水分、色度和批次稳定性。 乙二醇下游应用领域 防冻液 汽车/建筑 聚酯原料 重新合成PET ️ 不饱和聚酯树脂 玻璃钢/复合材料 乙烯基酯涂料 工业防护涂层 市场价格 ¥4500-5500 元/吨 市场趋势： R-EG与石化EG价差持续收窄 竞争力明显增强，市场接受度日益提升 甲醇回收与循环利用 甲醇回收率 ≥97% 精馏塔分离回收，循环回用于醇解反应器 醇解反应 → 精馏分离 → 97%回收 → 循环利用 采购DMT与EG联产供应商的价值 供应协同： 同一供应商可同步沟通DMT与乙二醇需求，降低采购沟通成本。 质量文件一致： 可统一管理COA、MSDS、批次记录和供应商准入资料。 交付计划稳定： 适合年度框架采购和多工厂协同备货。 应用支持： 供应商更容易理解聚酯客户在DMT与EG配套使用中的指标要求。 常见问题 (FAQ) Q1: DMT 与乙二醇 (EG) 为何可以联产？ 化学法甲醇解工艺以废 PET 与甲醇为原料，反应方程式为 PET + 2 CH₃OH → DMT + EG，理论上每生产 1 吨 DMT 同时副产 0.32 吨 EG。锐赛克实际产能比为 5,000 t DMT : 1,600 t EG。 Q2: DMT + EG 联产供应有什么商业价值？ 联产供应可让客户同一来源采购两种聚酯单体，降低物流成本 + 简化供应商管理 + 提升 ESG 一致性 (同一 PCF 系统)。对 PET 树脂、聚酯纤维等同时需要 DMT 与 EG 的下游尤其有利。 Q3: 锐赛克联产 EG 与传统乙烯基 EG 品质如何？ 联产 EG 纯度 ≥99.9%、色度 ≤5 APHA、水分 ≤0.1%、醛 ≤10 ppm，与原生乙烯基 EG 等同，可直接用于 PET 瓶级 / 纤维级树脂合成。 Q4: 联产 EG 可以单独采购吗？ 可以。联产 EG 可独立销售，应用于 PET、聚酯纤维、汽车防冻液、不饱和聚酯树脂 (UPR)、聚醚多元醇等领域。最小起订量 1 吨，支持钢桶 / IBC / ISO 槽罐多种包装。 Q5: 如何同时采购 DMT 与 EG？ 联系锐赛克商务团队提交 DMT 与 EG 各自规格、年用量、目的港，可签订联产框架协议，享受联合报价、统一交期、统一 COA / MSDS / 碳足迹文件。 相关阅读与内部链接 了解锐赛克高纯度产品详情： 对苯二甲酸二甲酯 (DMT, CAS 120-61-6) — 产品详情、技术规格、MSDS / COA 下载 乙二醇 (Ethylene Glycol, EG / MEG, CAS 107-21-1) — 产品详情、技术规格、MSDS / COA 下载 化学法 DMT 生产工艺与核心技术 DMT / EG 市场前景与品牌商再生塑料承诺 国家政策：废塑料化学循环战略性新兴产业 应用案例：浙江大学联合研发中心 / 黄冈千吨级项目 联系销售：获取 DMT 报价、样品申请、COA 索取 关于锐赛克 杭州锐赛克新材料有限公司是专业的化学法 DMT 与乙二醇生产厂家。年产 DMT 5,000 吨 + 乙二醇 1,600 吨，产品纯度 ≥99.9%，达聚酯级原生材料标准。与浙江大学共建联合研发中心，拥有 12 项核心专利，通过 ISO 14001 + ISO 9001 体系认证。产品覆盖 PBT、PETG、PCTG、PET 树脂、聚酯纤维、聚酯涂料、汽车防冻液、不饱和聚酯树脂等领域，支持国内陆运 + 海运出口 (EXW / FOB / CIF / DAP)，提供 1 吨起订、7–30 天交期、定制 COA、样品申请、ESG 文件支持等服务。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 乙二醇联产DMT DMT与EG供应 对苯二甲酸二甲酯厂家 高纯度DMT 聚酯级DMT 乙二醇供应商 PET树脂DMT单体 聚对苯二甲酸丁二醇酯 原料 DMT Buy Dimethyl Terephthalate in bulk China 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 技术解读 2026-06-02 聚酯纤维废料化学法再生工艺详解：从废涤纶到高纯度DMT与乙二醇 锐赛克详解聚酯纤维废料（废涤纶）的化学法再生工艺路径：预处理脱杂、甲醇解聚（醇解）、DMT与乙二醇分离提纯，实现废弃纺织品向聚酯级原料的闭环转化，产品纯度≥99.9%。 阅读更多 02 技术解析 2026-05-21 低温常压甲醇解PET制聚合级DMT：锐赛克新质生产力工艺技术全景解析 锐赛克联合浙江大学绿碳联合研究中心，开发出在 64.5°C 常压回流条件下完成 PET 化学法解聚的颠覆性工艺，PET 转化率 99.2%、DMT 选择性 99.5%、产品纯度 99.75%，设备投资降低 60%+、能耗下降 45-50%，已在千吨级/年量产装置稳定运行。 阅读更多 03 技术解析 2026-05-13 面向全球品牌的低碳DMT联合研发平台：锐赛克如何承接下一代闭环聚酯材料合作 全球品牌正在把低碳材料选择前移到聚酯单体端。锐赛克以化学法高纯度DMT生产、甲醇解工艺研发和闭环材料体系建设能力，面向消费包装、快时尚、新能源汽车与高端聚酯应用，探索排他性联合研发、样品验证和长期预购锁定长协。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/13 Title: DMT供应商合规审查：危化品与体系文件 | 锐赛克 Description: 采购DMT不只看价格和纯度，还要审查供应商的危化品管理、环保合规、ISO 14001体系、COA/MSDS与批次追溯能力。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / DMT供应商合规审查指南：危化品管理、ISO 14001与COA/MSDS文件要点 行业聚焦 DMT供应商合规审查指南：危化品管理、ISO 14001与COA/MSDS文件要点 采购对苯二甲酸二甲酯不仅要看价格和纯度，也要审查供应商的危化品管理、环保合规、ISO 14001体系、COA/MSDS文件和批次追溯能力。 2025-08-22 · 约 4 分钟阅读 速读摘要 采购对苯二甲酸二甲酯不仅要看价格和纯度，也要审查供应商的危化品管理、环保合规、ISO 14001体系、COA/MSDS文件和批次追溯能力。 关键词：DMT供应商合规 · 对苯二甲酸二甲酯供应商 · ISO 14001 · DMT MSDS · DMT COA质检报告 DMT供应商合规为什么影响采购安全？ 对苯二甲酸二甲酯（DMT，CAS 120-61-6）属于化工原料，采购方在选择供应商时不能只看价格、纯度和交期，还应关注供应商是否具备规范的危化品管理、环保合规、质量文件和批次追溯能力。合规能力不足的供应商，可能带来交付中断、文件缺失、客户审核失败和出口风险。 供应商准入应审查哪些文件？ 文件类型 审查重点 采购价值 COA 纯度、酸值、色度、灰分、铁含量、水分 判断批次质量稳定性 MSDS 危险性、储存、运输、应急处置 支持客户EHS审核 体系认证 ISO 14001、质量管理和安全管理文件 降低长期合作风险 DMT生产与储运中的危化品管理 化工原料生产、储存、装卸和运输过程涉及多类EHS要求。供应商需要建立规范的仓储、消防、防静电、防泄漏和应急处置体系，确保DMT、乙二醇及相关化学品安全交付。 按相关法规设置防火、防爆、防静电和泄漏收集设施 配备可燃气体报警装置 储存量超过临界量须进行重大危险源申报 锐赛克黄冈工厂已通过 安全生产标准化二级达标 认证，建立了完善的危化品管理制度。 环保与排污许可 废水： 生产废水需按排污许可和园区要求处理。 废气： 有组织废气应按标准收集、处理和排放。 固废： 一般固废与危险废物应分类管理并留存台账。 锐赛克的合规实践 作为行业标杆企业，锐赛克建立了 ISO 14001环境管理体系 ： 定期开展环境合规审核 与监管机构保持主动沟通 新项目开工前完成环境影响评价（EIA）和安全评价（SA） 确保每个生产环节都在法律框架内规范运营 采购建议 ：客户在导入DMT供应商时，建议同时评估样品质量、COA/MSDS文件、环保合规、供应稳定性和商务响应速度。锐赛克可根据客户审核流程提供必要的产品与供应商资料。 常见问题 (FAQ) Q1: DMT 是否属于危化品？需要哪些资质？ DMT 不属于《危险化学品目录》一级危化品，但部分省份要求按一般化学品备案。生产端需具备 ISO 9001 / 14001 / 45001 三体系认证、安全生产许可证、环评批复、排污许可证。出口需 MSDS 中英文版本 + 海关 HS 编码 29173600。 Q2: ISO 14001 体系对 DMT 供应商必需吗？ 品牌商绿色采购体系 (如可口可乐、Nike、欧莱雅) 均要求上游 ISO 14001 环境管理认证。锐赛克已通过 ISO 14001 + 9001 双认证，提供完整体系文件供客户审核。 Q3: DMT COA 与 MSDS 由谁出具？ COA 由 DMT 生产厂家实验室或委托第三方实验室出具，每批次单独签发。MSDS 由厂家依据 GB/T 16483 + ISO 11014 编制，每 3 年更新一次。锐赛克 COA / MSDS 均可在签合同前提供。 Q4: 采购 DMT 时合规审查重点有哪些？ 合规审查重点：营业执照与生产许可、安全生产许可证、环评 / 排污许可、ISO 14001 / 9001 / 45001 证书、MSDS / COA 文件齐全、危化品运输资质、原料 / 产品追溯档案、近 12 月环保 / 安监无处罚记录。 Q5: 如何审核 DMT 供应商的批次追溯能力？ 要求供应商提供：每批次 COA + 原料批号 + 生产日期 + 工艺参数记录 + 检测原始数据 + 留样制度 + 不合格品处置流程。锐赛克支持品牌商现场审核与远程审查。 相关阅读与内部链接 了解锐赛克高纯度产品详情： 对苯二甲酸二甲酯 (DMT, CAS 120-61-6) — 产品详情、技术规格、MSDS / COA 下载 乙二醇 (Ethylene Glycol, EG / MEG, CAS 107-21-1) — 产品详情、技术规格、MSDS / COA 下载 化学法 DMT 生产工艺与核心技术 DMT / EG 市场前景与品牌商再生塑料承诺 国家政策：废塑料化学循环战略性新兴产业 应用案例：浙江大学联合研发中心 / 黄冈千吨级项目 联系销售：获取 DMT 报价、样品申请、COA 索取 关于锐赛克 杭州锐赛克新材料有限公司是专业的化学法 DMT 与乙二醇生产厂家。年产 DMT 5,000 吨 + 乙二醇 1,600 吨，产品纯度 ≥99.9%，达聚酯级原生材料标准。与浙江大学共建联合研发中心，拥有 12 项核心专利，通过 ISO 14001 + ISO 9001 体系认证。产品覆盖 PBT、PETG、PCTG、PET 树脂、聚酯纤维、聚酯涂料、汽车防冻液、不饱和聚酯树脂等领域，支持国内陆运 + 海运出口 (EXW / FOB / CIF / DAP)，提供 1 吨起订、7–30 天交期、定制 COA、样品申请、ESG 文件支持等服务。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 DMT供应商合规 对苯二甲酸二甲酯供应商 ISO 14001 DMT MSDS DMT COA质检报告 CAS 120-61-6 supplier Reliable chemical intermediate manufacturer China port 对苯二甲酸二甲酯厂家直销 危化品管理 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 行业聚焦 2025-11-12 DMT采购指南：固体片状、团块与液体对苯二甲酸二甲酯如何选择 对比DMT固体片状、团块和液体形态在包装、运输、投料、储存和下游应用中的差异，帮助PBT、PET、PETG客户制定对苯二甲酸二甲酯采购策略。 阅读更多 02 行业聚焦 2025-08-22 DMT供应商合规审查指南：危化品管理、ISO 14001与COA/MSDS文件要点 采购对苯二甲酸二甲酯不仅要看价格和纯度，也要审查供应商的危化品管理、环保合规、ISO 14001体系、COA/MSDS文件和批次追溯能力。 阅读更多 03 行业聚焦 2025-04-10 再生材料政策推动低碳聚酯原料发展：DMT供应商如何抓住产业升级机会 国家多部门推动再生材料和绿色低碳产业应用，为低碳DMT、高品质聚酯原料和对苯二甲酸二甲酯供应链带来长期机会。锐赛克从DMT生产、质量文件和下游应用角度解读政策影响。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/14 Title: 低碳DMT如何支持客户Scope 3披露 | 锐赛克 Description: 从Scope 3核算、产品碳足迹、批次追溯和绿色供应链审核角度，解析低碳DMT如何帮助下游客户完成ESG披露与品牌审核。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / DMT供应链ESG价值：低碳对苯二甲酸二甲酯如何支持Scope 3披露 绿色低碳 DMT供应链ESG价值：低碳对苯二甲酸二甲酯如何支持Scope 3披露 从Scope 3核算、产品碳足迹、COA/MSDS、批次追溯和绿色供应链审核角度，解析低碳DMT供应商如何帮助PBT、PET、PETG客户完成ESG披露和品牌审核。 2025-07-30 · 约 3 分钟阅读 速读摘要 从Scope 3核算、产品碳足迹、COA/MSDS、批次追溯和绿色供应链审核角度，解析低碳DMT供应商如何帮助PBT、PET、PETG客户完成ESG披露和品牌审核。 关键词：DMT ESG · 低碳DMT · Scope 3 · DMT碳足迹 · 绿色供应链 DMT供应商如何为客户创造可量化ESG价值？ 在全球ESG（环境、社会、公司治理）浪潮下，品牌商、零售商和制造商面临日益强烈的供应链减碳压力。对于PBT、PET、PETG、包装材料和聚酯纤维企业而言，上游DMT、EG等聚酯原料的碳足迹、质量文件和批次追溯，正在成为品牌客户审核的重要组成部分。 可量化绿色价值的三个维度 维度一：碳减排（Scope 3） -1.63吨 CO₂/吨 低碳DMT供应链数据可支持客户进行上游原料Scope 3核算 维度二：合规认证 30%-65% COA、MSDS、批次追溯和碳足迹资料帮助客户完成品牌审核 维度三：供应链透明 可追溯 批次级质量与交付记录可用于客户供应链管理和年度复核 ESG合规时间表 时间节点 欧盟PPWR要求 锐赛克R-DMT 2030年 PET饮料瓶再生料≥30% 完全达标 2040年 PET饮料瓶再生料≥65% 完全达标 数字化碳追踪平台 锐赛克正在开发数字化碳追踪平台，客户可实时查询： 碳足迹数据 每批次可追溯 ️ 废料来源认证 全链路溯源 减排量报告 第三方认证 低碳DMT不是单一宣传标签，而是质量、数据、供应和文件能力的综合体现。锐赛克愿与PBT、PET、PETG、涂料树脂和聚酯纤维客户共同构建可复核的绿色供应链。 常见问题 (FAQ) Q1: 什么是 Scope 3？为什么 DMT 采购属于其中？ Scope 3 是 GHG Protocol 定义的间接温室气体排放，包含 15 个类别。DMT 采购属于类别 1 "采购商品与服务"，即下游 PBT / PETG / PET 客户采购 DMT 时所对应的上游排放。 Q2: 低碳 DMT 如何帮助下游降低 Scope 3？ 通过提供 ISO 14067 产品碳足迹 (PCF) 与 ISCC PLUS 质量平衡证书，下游客户可在 Scope 3 类别 1 中替换默认排放因子为锐赛克实测低碳数据，显著降低披露排放。化学循环 DMT PCF 较原生路线低 60–70%。 Q3: ESG 披露中 DMT 供应商需要提供哪些文件？ 完整 ESG 文件包：产品碳足迹报告 (ISO 14067)、ISCC PLUS 证书、原料追溯链、ISO 14001 体系证书、环境绩效报告、社会责任声明、批次 COA / MSDS、第三方核查证书。 Q4: 品牌商绿色供应链审核重点是什么？ 品牌商审核重点：① 上游原料来源 (是否再生)；② 产品 PCF 量化与第三方核查；③ 生产端环境合规与处罚记录；④ 劳工与社会责任 (SA8000)；⑤ 反腐败与商业伦理；⑥ 信息披露透明度 (CDP / GRI / TCFD 报告)。 Q5: 锐赛克支持下游哪些 ESG 报告与披露框架？ 锐赛克可支持 CDP (Climate Change)、GRI Standards、TCFD、SBTi (Science Based Targets)、SASB、ISCC PLUS、欧盟 CSRD / ESRS 等主流框架的上游数据需求。提供定制化 ESG 资料包。 相关阅读与内部链接 了解锐赛克高纯度产品详情： 对苯二甲酸二甲酯 (DMT, CAS 120-61-6) — 产品详情、技术规格、MSDS / COA 下载 乙二醇 (Ethylene Glycol, EG / MEG, CAS 107-21-1) — 产品详情、技术规格、MSDS / COA 下载 化学法 DMT 生产工艺与核心技术 DMT / EG 市场前景与品牌商再生塑料承诺 国家政策：废塑料化学循环战略性新兴产业 应用案例：浙江大学联合研发中心 / 黄冈千吨级项目 联系销售：获取 DMT 报价、样品申请、COA 索取 关于锐赛克 杭州锐赛克新材料有限公司是专业的化学法 DMT 与乙二醇生产厂家。年产 DMT 5,000 吨 + 乙二醇 1,600 吨，产品纯度 ≥99.9%，达聚酯级原生材料标准。与浙江大学共建联合研发中心，拥有 12 项核心专利，通过 ISO 14001 + ISO 9001 体系认证。产品覆盖 PBT、PETG、PCTG、PET 树脂、聚酯纤维、聚酯涂料、汽车防冻液、不饱和聚酯树脂等领域，支持国内陆运 + 海运出口 (EXW / FOB / CIF / DAP)，提供 1 吨起订、7–30 天交期、定制 COA、样品申请、ESG 文件支持等服务。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 DMT ESG 低碳DMT Scope 3 DMT碳足迹 绿色供应链 对苯二甲酸二甲酯供应商 聚酯级DMT DMT COA质检报告 对苯二甲酸二甲酯市场报告 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 市场前沿 2026-05-11 2026全球供应链重塑：DMT市场研判、价格走势与中国采购战略指南 深度剖析2026年DMT全球供需格局变革，从宏观市场研判、PX-DMT成本传导机制、PTA替代博弈，到中国一体化优势与低成本采购战略，为供应链高管提供兼具战略高度与落地价值的情报指南。 阅读更多 02 绿色低碳 2025-12-08 低碳DMT碳足迹核算：聚酯级对苯二甲酸二甲酯供应链如何降低Scope 3排放 围绕ISO 14067与生命周期评估（LCA）方法，解析聚酯级DMT在原料、工艺、能源和运输环节的碳足迹管理路径，帮助PBT、PET、PETG客户评估低碳对苯二甲酸二甲酯供应方案。 阅读更多 03 绿色低碳 2025-07-30 DMT供应链ESG价值：低碳对苯二甲酸二甲酯如何支持Scope 3披露 从Scope 3核算、产品碳足迹、COA/MSDS、批次追溯和绿色供应链审核角度，解析低碳DMT供应商如何帮助PBT、PET、PETG客户完成ESG披露和品牌审核。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/15 Title: 全球DMT竞争格局与中国供应商机会 | 锐赛克 Description: 从全球化学循环企业格局、亚洲市场结构和中国产业链优势出发，分析中国DMT供应商在成本、交期与质量文件上的机会。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / 全球DMT与低碳聚酯原料竞争格局：中国对苯二甲酸二甲酯供应商的机会 市场前沿 全球DMT与低碳聚酯原料竞争格局：中国对苯二甲酸二甲酯供应商的机会 从全球DMT、低碳聚酯原料、PBT/PETG应用和中国化工供应链优势出发，分析中国对苯二甲酸二甲酯供应商在价格、产能、质量文件和交付效率上的竞争机会。 2025-06-20 · 约 2 分钟阅读 速读摘要 从全球DMT、低碳聚酯原料、PBT/PETG应用和中国化工供应链优势出发，分析中国对苯二甲酸二甲酯供应商在价格、产能、质量文件和交付效率上的竞争机会。 关键词：全球DMT市场 · DMT竞争格局 · 中国DMT供应商 · 对苯二甲酸二甲酯市场前景 · DMT价格走势 全球DMT与低碳聚酯原料竞争格局 全球聚酯产业正在从单纯成本竞争，转向质量、低碳、交付和供应链透明度的综合竞争。DMT作为PBT、PETG、特种聚酯和涂料树脂的重要原料，正在重新获得下游客户关注。 欧美与亚洲市场观察 企业 技术路线 核心优势 Loop Industries (荷兰) 低温醇解 (Low Energy LOOP™) 已与多家品牌商签署供应协议 Carbios (法国) 生物酶解法 (Biorecycling) 可口可乐、欧莱雅战略投资，低温温和条件 Plastic Energy (英国) 热解法 建成数个商业化工厂 PureCycle (美国) 热解法 专注超纯再生PP 亚洲市场格局 日本帝人集团 ：早在2000年代即建立PET化学循环体系，年处理量超过 10万吨 ，全球规模最大 韩国SK Innovation ：通过热解油技术切入废塑料循环市场，热解油用于自有乙烯裂解装置 印度 ：依托庞大的废塑料收集网络和低人工成本，成为全球废塑料出口的重要来源地 中国DMT供应商的角色与机遇 中国拥有完整的聚酯、PBT、PETG和工程塑料产业链 下游客户对高纯度DMT、COA/MSDS和稳定交付需求持续提升 中国供应商在成本、交期、港口物流和定制沟通方面具备优势 低碳聚酯原料趋势为DMT供应商带来新增长点 锐赛克等中国企业正在通过DMT生产能力、乙二醇联产、质量文件和商务响应速度，参与全球聚酯原料供应链竞争。 竞争格局趋势 技术差异化已不足以构成长期壁垒，未来竞争的核心维度正在转移： 产能端 ：DMT与EG稳定供应能力 质量端 ：纯度、色度、酸值和COA一致性 客户端 ：PBT、PET、PETG、涂料树脂等下游客户绑定 低碳端 ：碳足迹与ESG资料支持能力 锐赛克已在三个维度构建全维度竞争护城河： 产能端推进黄冈DMT与乙二醇产业化基地 质量端完善COA/MSDS、批次追溯和检测体系 客户端服务PBT、PETG、聚酯纤维和包装材料企业 低碳端持续完善碳足迹和绿色供应链资料 锐赛克视角：全球竞争最终回到可靠供应 国际客户寻找DMT供应商时，既关注价格，也关注质量稳定、交付可靠、文件齐全和沟通效率。锐赛克将持续围绕高纯度DMT、乙二醇联产、批发供应和定制化服务，提升中国对苯二甲酸二甲酯供应商在全球市场中的竞争力。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 全球DMT市场 DMT竞争格局 中国DMT供应商 对苯二甲酸二甲酯市场前景 DMT价格走势 ICIS Dimethyl Terephthalate price trend Europe Global CEH Dimethyl Terephthalate Terephthalic Acid Abstract DMT spot market prices forecasting 对苯二甲酸二甲酯 2026 价格走势 中国市场 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 市场前沿 2026-05-11 2026全球供应链重塑：DMT市场研判、价格走势与中国采购战略指南 深度剖析2026年DMT全球供需格局变革，从宏观市场研判、PX-DMT成本传导机制、PTA替代博弈，到中国一体化优势与低成本采购战略，为供应链高管提供兼具战略高度与落地价值的情报指南。 阅读更多 02 绿色低碳 2025-12-08 低碳DMT碳足迹核算：聚酯级对苯二甲酸二甲酯供应链如何降低Scope 3排放 围绕ISO 14067与生命周期评估（LCA）方法，解析聚酯级DMT在原料、工艺、能源和运输环节的碳足迹管理路径，帮助PBT、PET、PETG客户评估低碳对苯二甲酸二甲酯供应方案。 阅读更多 03 绿色低碳 2025-07-30 DMT供应链ESG价值：低碳对苯二甲酸二甲酯如何支持Scope 3披露 从Scope 3核算、产品碳足迹、COA/MSDS、批次追溯和绿色供应链审核角度，解析低碳DMT供应商如何帮助PBT、PET、PETG客户完成ESG披露和品牌审核。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/16 Title: 深度解析DMT：高附加值聚酯的核心原料 | 锐赛克 Description: 剖析对苯二甲酸二甲酯与PTA的工艺差异，及其在PBT、特种PET薄膜、医疗级PETG等高纯度应用中的不可替代性。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / 深度解析对苯二甲酸二甲酯 (DMT)：现代高附加值聚酯工业的核心驱动力 技术解析 深度解析对苯二甲酸二甲酯 (DMT)：现代高附加值聚酯工业的核心驱动力 本文深入剖析对苯二甲酸二甲酯(DMT)这一关键基础原料，对比其与PTA的工艺差异，并详细拆解其在高纯度、高光学要求的高附加值应用领域（如PBT、特种PET薄膜、医疗级PETG）的不可替代性。 2026-05-10 · 约 5 分钟阅读 速读摘要 本文深入剖析对苯二甲酸二甲酯(DMT)这一关键基础原料，对比其与PTA的工艺差异，并详细拆解其在高纯度、高光学要求的高附加值应用领域（如PBT、特种PET薄膜、医疗级PETG）的不可替代性。 关键词：DMT · 对苯二甲酸二甲酯 · 高附加值聚酯 · PBT · PETG 一、 核心定义：DMT 的化学身份与产业链位置 对苯二甲酸二甲酯 （工业界简称为 DMT ，化学文摘服务社登记号： CAS 120-61-6 ）是现代聚酯工业中极为核心的基础单体之一。从化学结构来看，它是对苯二甲酸的二甲基酯衍生物，常温下通常呈现为白色结晶性粉末或薄片。 在宏观产业链中，DMT 扮演着承上启下的关键角色。它的上游连接着基础石化产品（如对二甲苯和甲醇），而其下游则直接指向多种极其重要的高分子材料，主要包括： PET (聚对苯二甲酸乙二醇酯) ：广泛应用于饮料包装、高端薄膜和特殊纺织品。 PBT (聚对苯二甲酸丁二醇酯) ：在电气绝缘和汽车电子领域占据主导地位的高性能工程塑料。 PTT (聚对苯二甲酸丙二醇酯) ：具有优异回弹性的特种纤维材料。 PETG (共聚酯) ：高透明、高韧性的特种改性聚酯，广泛用于医疗和高端包装。 尽管在普通大宗纺织领域，DMT 的市场份额在历史上受到过其他路线的冲击，但在 高纯度、高光学要求、高分子结构均一性 的特种材料领域，DMT 依然稳居核心地位。 锐赛克视角： 锐赛克专业生产高纯度对苯二甲酸二甲酯（DMT），采用化学法工艺，产品纯度≥99.9%，定位于聚酯级应用场景。对于需要稳定DMT单体来源的PBT、PET树脂、PETG共聚酯和特种聚酯薄膜客户，锐赛克不仅提供产品供应，也提供COA质检报告、MSDS安全数据和样品验证支持。 二、 技术对比：DMT 与 PTA 的三大核心理化优势 在工业实践与工厂设计中，基础原料的选择往往决定了整个生产线的工艺走向与产品上限。聚酯合成主要存在两大技术路线：以 DMT 为原料的 酯交换反应 路线，以及以精对苯二甲酸 ( PTA ) 为原料的 直接酯化反应 路线。针对特定的高附加值材料，DMT 在以下三大理化特性上具备显著且不可替代的优势： 1. 反应副产物易处理，保障催化剂活性 DMT 路线（酯交换反应） ：DMT 与二元醇发生酯交换反应时，释放出的副产物是 甲醇 。在工业装置中，甲醇极易通过精馏塔从反应体系中抽离并回收利用。这种温和的分离过程不会对反应釜内的化学平衡造成破坏。 PTA 路线（直接酯化反应） ：PTA 与二元醇发生直接酯化反应，副产物是 水 。高温下水蒸气不仅难以彻底抽离，还会导致某些特种催化剂（如钛系催化剂）发生水解而失活，直接导致反应转化率显著下降。 2. 提纯上限极高，实现极致的光学纯净度 DMT 的提纯优势 ：DMT 具有明确且相对较低的熔点和沸点，极其适合通过 真空蒸馏 或 多次结晶 工艺进行深度提纯。经过多级精馏的工业级 DMT 纯度可以轻松达到 99.9% 甚至更高。 PTA 的提纯瓶颈 ：PTA 具有极高熔点，加热时容易直接升华，且在绝大多数常规溶剂中极难溶解，提纯极其困难。 锐赛克落地能力： 对于下游客户而言，DMT路线的优势只有在稳定的批次质量中才能真正体现。锐赛克围绕DMT纯度、色度、酸值、灰分和水分等关键指标建立质量控制体系，帮助客户在导入高附加值聚酯材料时降低试样失败、色相波动和聚合不稳定风险。 3. 体系溶解度好，确保液相反应高度均匀 DMT 的均相反应 ：DMT 在高温下极易溶于常用的二元醇。这种 均相反应 确保合成出分子量分布极窄、结构高度一致的聚合物。 PTA 的非均相反应 ：PTA 在二元醇中难溶，反应初期呈现为"固-液"两相的泥浆状混合物，容易产生副反应。 三、 终端场景：DMT 主导的三大不可替代应用领域 1. PBT 工程塑料：汽车电子与光纤通信的坚实壁垒 生产 PBT (聚对苯二甲酸丁二醇酯) 时，DMT 在丁二醇中的高溶解度保障了完美的液相均相反应。使用 DMT 生产的 PBT 均聚物，批次间的性能一致性极佳，能够完美契合耐 150℃ 以上高温的绝缘需求，广泛应用于汽车引擎盖下的电子连接器、新能源汽车高压线束护套及深海光纤松套管。 与锐赛克产品的关联： PBT客户在选择DMT供应商时，通常关注纯度、酸值、水分和交付稳定性。锐赛克可面向PBT工程塑料客户提供聚酯级DMT样品、批次检测文件和定制化供应方案，为客户小试、中试和批量导入提供前端原料保障。 2. 特种聚酯薄膜：解决"羧基残留"痛点，挑战光学极限 在不完全的直接酯化反应中，PTA的聚合物链末端往往会残留未反应的羧基，极易引发热氧降解导致薄膜泛黄。DMT 路线从根本上规避了这一问题。通过 DMT 的酯交换反应合成的特种 PET 薄膜几乎不存在羧基残留，轻松满足光电显示模组透光率大于 90% 的严格要求。 3. PETG 共聚酯：医疗级包装材料的优选前驱体 医疗器械包装材料必须能够承受严苛的灭菌消毒过程而不发黄、不脆化。合成 PETG 需要确保共聚单体绝对随机分布以破坏结晶能力。DMT 的酯交换反应速率温和且极易控制，是合成无毒性、高透明、耐辐射灭菌顶级医疗包装的当之无愧的优选前驱体。 供应链建议： 对于高端PETG、特种PET薄膜和医疗包装材料企业，建议在供应商筛选阶段同步审查DMT产品指标、COA、MSDS、样品批次一致性和长期供货能力。锐赛克可基于化学法高纯度DMT能力，与客户开展样品测试、工艺匹配和长期框架合作。 四、 结语与行动建议 在 PBT 工程塑料、特种聚酯薄膜 以及 高端医疗级 PETG 等高附加值赛道，DMT 凭借"副产物温和易处理"、"提纯纯度极高"及"体系溶解度优异"三大核心优势，依然发挥着不可替代的关键作用。对于相关供应链的质量品控，建议将"是否采用 DMT 路线合成的基料"及"端羧基含量(CEG)指标"列入关键评估维度，从源头规避可靠性风险。 对于锐赛克来说，DMT的长期价值并不只是作为单一化工产品销售，而是通过稳定的化学法生产能力、聚酯级品质控制和面向下游应用的技术协同，进入更高附加值的聚酯材料供应链。未来，锐赛克将持续围绕高纯度DMT、PBT原料DMT、PET树脂DMT单体和特种聚酯应用场景，强化产品与技术服务能力。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 DMT 对苯二甲酸二甲酯 高附加值聚酯 PBT PETG 特种PET薄膜 Dimethyl Terephthalate market research report ICIS Dimethyl Terephthalate price trend Europe Global CEH Dimethyl Terephthalate Terephthalic Acid Abstract DMT spot market prices forecasting 对苯二甲酸二甲酯市场报告 对苯二甲酸二甲酯 2026 价格走势 中国市场 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 技术解读 2026-06-02 聚酯纤维废料化学法再生工艺详解：从废涤纶到高纯度DMT与乙二醇 锐赛克详解聚酯纤维废料（废涤纶）的化学法再生工艺路径：预处理脱杂、甲醇解聚（醇解）、DMT与乙二醇分离提纯，实现废弃纺织品向聚酯级原料的闭环转化，产品纯度≥99.9%。 阅读更多 02 技术解析 2026-05-21 低温常压甲醇解PET制聚合级DMT：锐赛克新质生产力工艺技术全景解析 锐赛克联合浙江大学绿碳联合研究中心，开发出在 64.5°C 常压回流条件下完成 PET 化学法解聚的颠覆性工艺，PET 转化率 99.2%、DMT 选择性 99.5%、产品纯度 99.75%，设备投资降低 60%+、能耗下降 45-50%，已在千吨级/年量产装置稳定运行。 阅读更多 03 技术解析 2026-05-13 面向全球品牌的低碳DMT联合研发平台：锐赛克如何承接下一代闭环聚酯材料合作 全球品牌正在把低碳材料选择前移到聚酯单体端。锐赛克以化学法高纯度DMT生产、甲醇解工艺研发和闭环材料体系建设能力，面向消费包装、快时尚、新能源汽车与高端聚酯应用，探索排他性联合研发、样品验证和长期预购锁定长协。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/17 Title: DMT采购与技术规格审查完全指南 | 锐赛克 Description: 拆解DMT物理属性、纯度指标、三种物理形态的匹配场景、PBT下游应用链路，以及COA与MSDS的供应商审查机制。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / 对苯二甲酸二甲酯 (CAS 120-61-6) 采购与技术规格审查完全指南 技术解析 对苯二甲酸二甲酯 (CAS 120-61-6) 采购与技术规格审查完全指南 本文针对DMT的物理属性、纯度指标（>99.9%）、三种物理形态（固体片状/团块/液体）的匹配场景、PBT下游应用转化链路、以及COA与MSDS供应商审查机制进行全面拆解，为采购工程师提供系统化参考。 2026-05-11 · 约 9 分钟阅读 速读摘要 本文针对DMT的物理属性、纯度指标（>99.9%）、三种物理形态（固体片状/团块/液体）的匹配场景、PBT下游应用转化链路、以及COA与MSDS供应商审查机制进行全面拆解，为采购工程师提供系统化参考。 关键词：DMT · 对苯二甲酸二甲酯 · CAS 120-61-6 · PBT · COA 第一部分：核心化学标识与基础技术规格 (CAS 120-61-6) 工程师在进行物料检索时，第一步是使用 CAS 120-61-6 。这是对苯二甲酸二甲酯在全球化学品数据库中的唯一"身份证号"。使用 CAS 号进行搜索，可以彻底消除跨国采购中的语言壁垒和商品名歧义。 DMT 的系统命名为 Dimethyl 1,4-benzene dicarboxylate 。掌握它的基础化学与物理规格是进行供应链对标的前提。 DMT 的基础理化参数特征： 分子式 ：C₁₀H₁₀O₄ 分子量 ：194.19 g/mol 熔点 ：140 ℃ 至 142 ℃。这个温度区间直接决定了工厂加热系统的设计标准。 沸点 ：288 ℃。 闪点 ：153 ℃。这个指标是工厂进行消防安全等级划分的核心依据。 溶解性 ：DMT 不溶于水。它微溶于乙醚，可以溶于氯仿和热乙醇。 工程师在搜索"CAS 120-61-6 supplier"时，不仅是在寻找一个供货渠道，更是在寻找能够完全满足上述 Dimethyl 1,4-benzene dicarboxylate specifications （对苯二甲酸1,4-二甲酯技术规格）的制造工厂。任何参数的微小偏移，都会导致后续酯交换反应釜内的聚合失败。 锐赛克视角： 锐赛克专业生产高纯度对苯二甲酸二甲酯（DMT，CAS 120-61-6），采用化学法工艺，产品纯度≥99.9%，面向PBT工程塑料、PET树脂、PETG共聚酯和聚酯级应用客户提供稳定供应。对于采购工程师而言，选择DMT供应商时不仅要看CAS号是否匹配，更要看供应商是否具备批次质量控制、COA、MSDS和长期交付能力。 第二部分：高端制造的命脉——DMT纯度指标解析 (>99.9%) 在聚酯和工程塑料的生产中，原料的纯度直接决定了成品的分子量大小、色泽和机械强度。因此， "DMT purity parameter >99.9%" 是高端制造环节中必须满足的硬性标准。 为什么必须达到 >99.9% 的纯度？ 因为在酯交换和缩聚反应中，微量的杂质会引起极其严重的连锁反应。DMT 中最常见的杂质包括对甲基苯甲酸甲酯（p-Toluic acid methyl ester）、邻苯二甲酸二甲酯（DMI）和间苯二甲酸二甲酯。如果杂质含量超过 0.1%，会发生以下问题： 导致反应链终止 ：单官能团的杂质（如对甲基苯甲酸甲酯）会封闭聚合物分子的端基，让大分子链无法继续增长，最终生产出的塑料会变得非常脆。 引发色相变差 ：某些特定的杂质在高温聚合时会发生碳化或氧化，导致最终的聚酯产品发黄。发黄的材料无法用于生产光学级别的薄膜或高端纺织纤维。 降低产品耐候性 ：杂质残留在聚合物晶格内部，会成为紫外线攻击的薄弱点，导致塑料制品在使用过程中加速老化。 核心的技术指标要求： 色度 (Hazen / APHA) ：通常要求小于 15。数值越小，说明颜色越清澈透明。 酸值 (mg KOH/g) ：必须严格控制在 0.02 以下。酸值过高意味着存在游离的羧基，会严重干扰催化剂的活性。 凝固点 (℃) ：需大于或等于 140.6 ℃。凝固点是衡量有机物纯度最直接的宏观物理指标。 锐赛克质量重点： 对于高端聚酯材料客户，DMT纯度、酸值、色度、水分和灰分都是进入小试、中试和批量应用的关键门槛。锐赛克可根据客户项目阶段提供样品、产品参数和批次检测文件，协助客户完成前端原料审查。 第三部分：物理形态与工厂生产工艺的匹配 DMT 在常温下是固体，但在特定的温度下可以转变为液体。采购工程师在搜索时，会带有极强的形态指向性词汇，以匹配工厂现有的物料传送带、储存罐和反应釜投料口。 （一）对苯二甲酸二甲酯 固体片状 (Dimethyl Terephthalate solid flake) 这是目前国际贸易流通中最常见的形态。 优势与匹配场景： 便于长途海运与陆运 ：固体片状可以装在 25kg 的纸袋或 500kg、1000kg 的吨袋中，不需要特殊的保温加热容器。 适配传送带加料系统 ：大多数中小型的下游化工厂配备的是固体物料传送带或螺旋输送机。片状物料不容易卡载，流动性较好。 粉尘控制 ：相比于细粉末，片状 (flake) 形态在倾倒和投料过程中产生的粉尘极少，大幅度降低了车间发生粉尘爆炸的风险。 （二）对苯二甲酸二甲酯 团块 (DMT Briquette) 团块是通过物理挤压工艺，将粉状或小碎片的 DMT 压制成特定大小的块状物。 优势与匹配场景： 极端防结块需求 ：在高温高湿的运输环境下，小尺寸的片状物料有时会因为表面轻微融化而粘结成巨大的死块。团块形态减少了颗粒之间的接触面积，极大降低了结块风险。 特定反应釜的下料流速 ：部分旧式反应釜的格栅设计只允许较大体积的团块缓慢掉落融化，以控制初始反应速率。 （三）对苯二甲酸二甲酯液体 (Liquid DMT) 这种形态主要针对少数一体化管道客户。 优势与匹配场景： 消除二次加热成本 ：如果供应商和采购方距离非常近，直接通过保温管道输送温度在 150℃ 以上的液体 DMT，可以为买方节省巨额的蒸汽加热成本。 连续化大生产 ：液体形态极度适合高自动化、全天候连续运转的巨型聚合装置。通过质量流量计可以实现极其精准的液体投料控制。 采购建议： 不同工厂的投料系统、储存条件和运输半径决定了DMT形态选择。锐赛克可根据客户的反应釜投料方式、包装需求和运输条件，协助确认更适合的供应方案，并围绕批量交付建立稳定沟通机制。 第四部分：下游应用——聚对苯二甲酸丁二醇酯 (PBT) 原料 PBT 是一种高性能的工程塑料，具有优异的电气绝缘性、耐化学性和快速成型的特点。广泛应用于汽车电子接插件、节能灯外壳、光纤保护管等领域。 DMT 在 PBT 生产中的核心转化链路： PBT 的工业生产主要有两种路线：直接酯化法（PTA法）和酯交换法（DMT法）。由于直接酯化法需要极高的温度和复杂的催化系统，且容易产生四氢呋喃 (THF) 等副产物， DMT法的酯交换反应依然是生产高品质 PBT 的主流选择 。 酯交换阶段 ：纯度 >99.9% 的 DMT 与 1,4-丁二醇 (BDO) 在钛酸四丁酯等催化剂的作用下，于 160℃ - 200℃ 的温度下进行酯交换反应，生成对苯二甲酸双羟丁酯 (BHBT) 并脱出甲醇。 缩聚阶段 ：随着反应体系温度继续升高（达到 250℃ 左右）并逐步抽成高真空，BHBT 开始发生缩聚反应，分子链不断增长，最终形成高分子量的聚对苯二甲酸丁二醇酯 (PBT) 熔体。 因为 PBT 被大量用于对可靠性要求极高的汽车和电子行业，所以对前端原料 DMT 的纯度和水分要求极为严苛。任何一点微观层面的配比失衡，都会导致 PBT 注塑件在极端环境下发生开裂。 与锐赛克产品的关联： 锐赛克生产的聚酯级DMT可服务PBT原料需求。对于新能源汽车连接器、电子电气部件和高端工程塑料客户，锐赛克可提供高纯度DMT样品、COA质检报告和技术沟通支持，帮助客户在导入阶段降低原料波动风险。 第五部分：供应商过滤机制——质检报告 (COA) 与安全数据表 (MSDS) 当买家通过核心关键词找到供应商后，核心转化动作是进行文档审查。COA 和 MSDS 是验证供应商真实制造能力和质量控制体系的"照妖镜"。对于锐赛克这样的DMT生产企业而言，提供清晰、可核验、可追溯的质量文件，是承接高端客户询盘和长期合作的基础。 （一）深入审查 COA (Certificate of Analysis) 一份合格的、面向高端应用的 DMT 质检报告，不仅会标注"合格"，还会提供详细的实测数据和测试方法依据。 测试项目 规格标准 实测数据 检测方法 外观 (Appearance) 白色片状结晶 白色片状结晶 目测验证 (Visual) 纯度 (Purity) ≥ 99.90% 99.95% 气相色谱法 (GC) 酸值 (Acid Value) ≤ 0.02 mg KOH/g 0.012 mg KOH/g 滴定法 (Titration) 色度 (Color, Hazen) ≤ 15 10 比色法 (Colorimetry) 水分 (Moisture) ≤ 0.05% 0.02% 卡尔·费休法 (Karl Fischer) 灰分 (Ash Content) ≤ 0.005% 0.002% 灼烧法 (Ignition) 数据审查逻辑说明： 气相色谱纯度 (GC Purity) 是最核心的指标。工程师会要求供应商提供气相色谱的图谱原件，通过查看图谱上的杂质峰，可以反推该工厂使用的是何种合成工艺。 水分数据 也是审查的重点。如果固体片状 DMT 的水分超标，在装运和储存期间极易发生水解反应，导致酸值上升，不仅会消耗聚合时的催化剂，还会腐蚀工厂的不锈钢设备。 （二）安全数据表 (MSDS) 与合规审查 MSDS (Material Safety Data Sheet) 或 SDS 是化学品进入工厂仓库的合法通行证。审查 MSDS 重点关注以下操作细节： 暴露控制与个体防护 ：DMT 的粉尘或蒸汽对眼睛、皮肤和呼吸道有轻微刺激。MSDS 会明确指出必须配备何种级别的防尘口罩和防护眼镜。 物理与化学危险性 ：重点核对闪点和爆炸极限。工厂的安全工程师需要根据 MSDS 提供的数据，计算车间通风系统的换气次数。 泄漏应急处理 ：由于 DMT 不溶于水，不能用水冲洗，必须采用干式收集法，并放入专用的密闭容器中送往有资质的固废处理站。 第六部分：全球化采购供应链的技术对标策略 面对全球众多的化工企业，采购工程师需要依靠严密的逻辑来筛选优质供应商。通过结合化学实体名、物理形态、纯度参数和核心文档下载，形成了一套完整的采购漏斗。 基于化学号的初步圈选 ：使用 CAS 120-61-6 和 Dimethyl 1,4-benzene dicarboxylate 在专业数据库内进行无歧义检索，过滤掉提供中间体混合物或相似化合物的干扰选项。 基于物化属性的精准匹配 ：根据工厂车间的加料方式，明确搜索 Dimethyl Terephthalate solid flake 或液体。如果工厂位于气候炎热地区，则重点搜索 Briquette 团块以防止结块。 基于纯度参数的品质过滤 ：明确挂出 DMT purity parameter >99.9% 的要求，将那些只提供 99% 工业级物料的低端供应商排除在外，确保原料能够直接投入 PBT 生产线。 基于文档审查的最终确认 ：进入供应商网站后，执行 Certificate of Analysis download。通过对比气相色谱数据、酸值和水分，验证该供应商批次质量的稳定性。同时收取最新的 MSDS 文件，提交给厂区安全环保部门进行入库前的最后审批。 锐赛克采购合作路径： 对于需要高纯度DMT、聚酯级DMT或PBT原料DMT的客户，建议先提交目标应用、年用量、包装方式和质量指标要求。锐赛克可基于客户需求提供样品、COA/MSDS文件、批量供应沟通和长期框架合作方案。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 DMT 对苯二甲酸二甲酯 CAS 120-61-6 PBT COA MSDS 采购指南 CAS 120-61-6 supplier Dimethyl Terephthalate solid flake Dimethyl 1,4-benzene dicarboxylate specifications DMT purity parameter >99.9% DMT Briquette Certificate of Analysis download 对苯二甲酸二甲酯片 对苯二甲酸二甲酯液体 聚对苯二甲酸丁二醇酯 原料 DMT 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 技术解读 2026-06-02 聚酯纤维废料化学法再生工艺详解：从废涤纶到高纯度DMT与乙二醇 锐赛克详解聚酯纤维废料（废涤纶）的化学法再生工艺路径：预处理脱杂、甲醇解聚（醇解）、DMT与乙二醇分离提纯，实现废弃纺织品向聚酯级原料的闭环转化，产品纯度≥99.9%。 阅读更多 02 技术解析 2026-05-21 低温常压甲醇解PET制聚合级DMT：锐赛克新质生产力工艺技术全景解析 锐赛克联合浙江大学绿碳联合研究中心，开发出在 64.5°C 常压回流条件下完成 PET 化学法解聚的颠覆性工艺，PET 转化率 99.2%、DMT 选择性 99.5%、产品纯度 99.75%，设备投资降低 60%+、能耗下降 45-50%，已在千吨级/年量产装置稳定运行。 阅读更多 03 技术解析 2026-05-13 面向全球品牌的低碳DMT联合研发平台：锐赛克如何承接下一代闭环聚酯材料合作 全球品牌正在把低碳材料选择前移到聚酯单体端。锐赛克以化学法高纯度DMT生产、甲醇解工艺研发和闭环材料体系建设能力，面向消费包装、快时尚、新能源汽车与高端聚酯应用，探索排他性联合研发、样品验证和长期预购锁定长协。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/18 Title: 2026年DMT市场研判与中国采购战略 | 锐赛克 Description: 剖析2026年DMT全球供需变革：宏观研判、PX-DMT成本传导、PTA替代博弈，以及中国一体化优势与采购战略。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / 2026全球供应链重塑：DMT市场研判、价格走势与中国采购战略指南 市场前沿 2026全球供应链重塑：DMT市场研判、价格走势与中国采购战略指南 深度剖析2026年DMT全球供需格局变革，从宏观市场研判、PX-DMT成本传导机制、PTA替代博弈，到中国一体化优势与低成本采购战略，为供应链高管提供兼具战略高度与落地价值的情报指南。 2026-05-11 · 约 10 分钟阅读 速读摘要 深度剖析2026年DMT全球供需格局变革，从宏观市场研判、PX-DMT成本传导机制、PTA替代博弈，到中国一体化优势与低成本采购战略，为供应链高管提供兼具战略高度与落地价值的情报指南。 关键词：DMT市场 · 全球供应链 · 价格走势 · PTA替代 · 中国采购 引言：宏观动荡下的化工供应链破局 在当前地缘政治博弈加剧、全球能源结构转型的大背景下，基础化工与特种化学品市场的波动性正在呈现指数级增长。作为聚酯产业链中不可或缺的核心中间体，对苯二甲酸二甲酯（DMT）正处于新一轮全球产能重构的十字路口。对于跨国企业的供应链高管、首席采购官（CPO）以及市场分析师而言，如何在不确定的周期中寻找确定性，已成为决定企业利润率与生存发展的核心议题。 本文将立足于深度的 Global supply chain analysis（全球供应链分析），全面剖析2026年及未来的 DMT 市场格局。我们将从宏观市场研判、上游成本传导机制、替代品博弈，以及中国市场的结构性优势等维度展开深度解析，旨在为行业决策者提供一份兼具战略高度与落地价值的情报指南。 对于锐赛克而言，这一轮全球供应链重塑并不是旁观性的行业趋势，而是企业自身产业化布局正在面对的真实市场环境。锐赛克专业生产高纯度对苯二甲酸二甲酯（DMT），采用化学法工艺，产品纯度≥99.9%，并围绕聚酯级DMT、乙二醇联产、COA质检报告、MSDS安全数据和定制化供应方案，服务PBT工程塑料、PET树脂、聚酯纤维及高端聚酯材料客户。 一、宏观市场研判：2026年DMT供需格局大变革 在进行具体的采购战略制定之前，我们必须首先建立对全球宏观环境的清晰认知。DMT 市场的演变并非孤立的产业事件，而是全球宏观经济、能源政策与区域制造业兴衰的集中缩影。 1. 核心洞察：为何亟需 DMT market research report 2026？ 在过去的十年里，DMT 行业经历了一场深刻的"洗牌"。由于装置老化、环保政策趋严以及高昂的能源成本，欧美地区的传统 DMT 产能正在加速出清。这种区域性的产能收缩，直接导致了全球供应链的脆弱性上升。 一份高质量的 DMT market research report 2026（2026年DMT市场研究报告） 对于供应链高管来说，其价值不仅在于数据罗列，更在于提供前瞻性的"风险雷达"。未来的报告必须回答三个核心问题： 产能真空期如何填补？ 欧美老旧装置关停后的市场份额，将以何种速度向亚洲转移？ 新兴应用领域的增量在哪里？ 除了传统的聚酯纤维，PBT（聚对苯二甲酸丁二醇酯）工程塑料、高端光学薄膜等高附加值领域对 DMT 的需求增速预测。 ESG合规成本： 碳边境调节机制（CBAM）等环保政策将如何重塑 DMT 的全球贸易流向？ 掌握这些宏观情报，是企业从"被动应对"转向"主动布局"的先决条件。 锐赛克视角： 在欧美传统DMT产能出清、亚洲供应链权重上升的背景下，稳定的中国DMT生产厂家正成为全球采购体系的重要补位力量。锐赛克依托化学法高纯度DMT生产能力和黄冈产业化基地布局，可为客户提供不同于贸易型渠道的长期供货确定性。 2. 探究 DMT price trend：未来两年的价格波浪与周期规律 对于采购部门而言，准确预判 DMT price trend（DMT价格走势） 是实现降本增效的核心。2026年的 DMT 价格走势将呈现出显著的"宽幅震荡"特征，其底层驱动逻辑已发生改变。 首先，基础定价中枢上移。 由于全球通胀预期以及关键生产国（如中东产油国）对原油供应的联合干预，化工基础原料的底部支撑十分强劲。这意味着 DMT 的绝对低价时代已经结束。 其次，局部性、结构性短缺频发。 由于 DMT 的生产工艺（氧化、酯化）对连续性要求极高，任何区域性的极端天气、物流瘫痪或突发性装置检修，都可能在短期内引发特定区域的现货价格飙升。 最后，金融属性增强。 随着越来越多的大宗商品基金介入化工产业链的期现套利，DMT 现货价格受到期货市场情绪的扰动日益明显。供应链决策者必须建立更具弹性的动态定价模型，以熨平价格周期的剧烈波动。 二、成本传导机制深剖：原料关联与替代博弈 DMT 的价格并非凭空产生，它是整个化工产业链价值传导的终端体现。深入理解上游原料的波动逻辑以及横向替代品的竞争态势，是制定精准采购策略的基础。 1. 蝴蝶效应：Xylene to DMT price correlation（二甲苯对DMT的价格传导） DMT 的生产高度依赖于混合二甲苯（特别是对二甲苯 PX）与甲醇。其中，PX 的成本占比极高，其价格波动对 DMT 具有决定性的"锚定效应"。 Xylene to DMT price correlation（二甲苯与DMT的价格相关性） 在行业内是一个经典的成本传导模型。 原油端的源头冲击： PX 是从石脑油中重整芳构化而来的。国际地缘政治冲突（如中东局势、俄乌冲突）导致的布伦特（Brent）或 WTI 原油价格波动，会在1至3个月内精准地传导至亚洲及全球的 PX 现货市场。 供需错配的放大器： 近年来，虽然全球 PX 产能大幅扩张，但阶段性的装置检修集中期往往会导致 PX 现货偏紧。一旦 PX 价格形成向上突破，DMT 生产商为了保全微薄的加工利润，必然会迅速、甚至超额地将成本压力向下游转嫁。 甲醇的边际影响： 虽然甲醇在 DMT 成本中所占权重不及 PX，但其价格受煤炭（中国市场）和天然气（海外市场）影响极大。在冬季能源需求高峰期，甲醇价格的脉冲式上涨也会成为推高 DMT 价格的边际驱动力。 战略建议： 供应链高管应建立"PX-DMT 价差（Spread）跟踪机制"。当价差大幅偏离历史均值时，即是锁定长期长协或进行库存调整的最佳时机。 锐赛克落地能力： 对于需要规避价格剧烈波动的客户，锐赛克可围绕年度框架、阶段性锁价、样品验证与批量交付建立更稳定的合作机制。相比短期现货采购，直接与具备生产能力的DMT厂家沟通，有助于提升供货透明度并降低中间环节不确定性。 2. 护城河与边界：PTA vs DMT substitution（PTA对DMT的替代效应） 在分析 DMT 市场时，无法回避的另一个核心关键词是 PTA（精对苯二甲酸）。在过去二十年中， PTA vs DMT substitution（PTA对DMT的替代效应） 深刻改变了聚酯行业的版图。 早期，DMT 是合成 PET（聚对苯二甲酸乙二醇酯）的唯一商业化原料。但随着 PTA 生产工艺的成熟，PTA 凭借更短的工艺流程、更高的收率和更低的单耗，在常规纺织纤维、普通包装瓶市场中对 DMT 进行了长期的"降维打击"。 然而，到了2026年，这种替代效应已经触及了物理与化学性质的硬性天花板。 DMT 迎来了它的"价值反转"与护城河保卫战： 工程塑料领域的绝对壁垒： 在生产 PBT（聚对苯二甲酸丁二醇酯）工程塑料时，使用 DMT 工艺具有不可替代的优势。PBT 广泛应用于新能源汽车的电子接插件、充电桩外壳、高端光纤束管等领域。DMT 工艺生产的 PBT 具有反应易于控制、副产物少、切片色相好（更白、更透明）的特点，这是常规 PTA 工艺无法企及的。 高端薄膜与特种纤维： 在液晶显示器（LCD）的光学膜、太阳能电池背板膜以及部分特种工业丝领域，由于对原料纯度和反应稳定性的严苛要求，终端大厂依然强制指定使用 DMT 作为前驱体。 因此，市场研判的结论是： 在低端红海，PTA 已经赢得了战争；但在高附加值的蓝海，DMT 依然是无可争议的王者。 与锐赛克产品的关联： 锐赛克的高纯度DMT主要面向聚酯级应用，可服务PBT工程塑料、PET树脂、PETG/PCTG共聚酯、特种聚酯薄膜等对原料稳定性要求更高的场景。对于正在评估PTA替代边界或重新导入DMT路线的客户，锐赛克可提供产品参数、COA质检报告和样品支持。 三、中国优势再定义：重塑全球化工定价权 了解了宏观趋势与成本逻辑后，最终的落脚点必须回归到实体的采购执行。在全球供应链重构的浪潮中，中国正在经历从"世界工厂"向"全球供应链枢纽"的深刻蜕变。 1. 深度剖析：China chemical market outlook（中国化工市场展望） 关注 China chemical market outlook（中国化工市场展望） ，实质上是在关注全球化工产业链的重心所在。2026年的中国化工市场，将呈现出三大颠覆性特征： 一体化巨头的终极形态： 过去几年，中国沿海地区崛起了众多千万吨级的"炼化一体化"基地（如恒力、荣盛、盛虹等）。这些巨型装置实现了从"一滴油"到"一根丝"的全产业链贯通。它们不仅掌握了海量的 PX 产能，更通过极致的热能耦合与副产品综合利用，将基础化工原料的生产成本压降到了全球最低水平。 产业升级与高端化转型： 中国市场不再仅仅满足于低端产能的输出。随着国产替代战略的推进，中国企业在 PBT、高端聚酯等高技术壁垒领域不断取得突破，这反向刺激了国内对高质量 DMT 的强劲需求，也促使本土 DMT 生产商不断优化工艺。 绿色低碳的合规优势： 面对欧美的碳关税壁垒，中国领先的化工企业正在加速布局风光绿电、CCUS（碳捕集与封存）等技术。未来，拥有完善碳足迹追踪和绿色认证的中国化工产品，将在国际市场上展现出更强的竞争力。 2. 实战落地：Low-cost DMT sourcing China（中国低成本DMT采购战略） 对于欧美的跨国企业而言， Low-cost DMT sourcing China（中国低成本DMT采购） 已经从一种短期的战术选择，跃升为关乎企业生存的长期战略。如何在享受中国低成本红利的同时，规避长距离物流带来的风险？ 建立战略直采联盟： 摒弃传统的现货投机心态，直接与中国具有一体化优势的头部企业建立战略合作伙伴关系（Strategic Partnership）。通过签署与 PX 价格联动的长期供应协议（Formula-based Pricing），锁定基础加工费，从而熨平市场价格波动。 优化跨国物流与前置仓布局： 跨国海运费及船期延误是跨国采购的最大变量。高管团队应联合第三方物流（3PL）巨头，在欧洲的鹿特丹港或北美的休斯顿港等关键节点，设立 VMI（供应商管理库存）前置仓。这既能享受中国的出厂低价，又能实现海外的"Just-In-Time"本地化交付。 全链路成本监控系统： 采购的本质不仅是商品价格的比较（TCO，总拥有成本）。企业必须引入高级的供应链数字化平台，实时监控从中国工厂出库、海运费波动、关税及增值税变化、直到本国工厂入库的全链路成本。 锐赛克的供应链定位： 锐赛克并非单纯依赖外部贸易撮合，而是以化学法DMT生产能力为基础，为客户提供从技术沟通、样品测试、质量文件、批量供应到长期合作方案的一体化支持。对于关注 Buy Dimethyl Terephthalate in bulk China、CAS 120-61-6现货与DMT批发供应的客户，锐赛克能够提供更贴近工厂端的沟通效率和交付确定性。 四、供应链高管的破局之道：策略与行动指南 面对错综复杂的 DMT 市场与全球供应链变局，供应链高管和市场分析师必须跳出单一维度的采购思维，建立具备多重视角的综合防御体系。 第一，将市场情报转化为决策资产。 不要仅仅依赖被动的报价单，必须主动出击。定期订阅或内部编撰深度的 DMT market research report 2026，密切追踪 Global supply chain analysis 的关键指标变化。情报的领先，往往意味着数百万美元成本的节约。 第二，构建"反脆弱"的多元化供应网络。 虽然 Low-cost DMT sourcing China 是降本的核心，但决不能将鸡蛋放在同一个篮子里。必须建立"中国主供（基石） + 东南亚/中东备选（弹性） + 本土现货（应急）"的三级供应防御体系，以应对极端地缘政治黑天鹅事件。 第三，强化跨部门的协同作战机制。 DMT price trend 的研判不能仅靠采购部门。必须联合财务部（利用衍生品对冲 Xylene to DMT price correlation 的风险）、研发部（探讨 PTA vs DMT substitution 的技术边界与配方调整空间），形成合力，才能在激烈的市场竞争中构筑不可逾越的护城河。 在未来的工业文明基石中，化学品供应链的稳定性决定了上层建筑的高度。深刻理解这组宏观意图与情报关键词背后的逻辑，方能在这个充满变数的2026年，精准掌舵，驶向确定性的彼岸。 对于锐赛克来说，2026年的DMT市场机会不仅来自价格波动下的采购替代，更来自全球客户对稳定、高纯、低碳和可追溯供应链的系统性需求。锐赛克将继续围绕化学法高纯度DMT、聚酯级DMT、乙二醇联产、DMT COA质检报告和定制化供应方案，强化从产品到供应链的服务能力，帮助客户在不确定的全球市场中获得更稳定的原料保障。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 DMT市场 全球供应链 价格走势 PTA替代 中国采购 PX价格 供应链战略 Buy Dimethyl Terephthalate in bulk China DMT Briquette FOB Busan South Korea DMT CIF Shanghai spot market Reliable chemical intermediate manufacturer China port 对苯二甲酸二甲酯 厂家直销 大宗批发 CAS 120-61-6 现货 青岛/上海港发货 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 市场前沿 2026-05-11 2026全球供应链重塑：DMT市场研判、价格走势与中国采购战略指南 深度剖析2026年DMT全球供需格局变革，从宏观市场研判、PX-DMT成本传导机制、PTA替代博弈，到中国一体化优势与低成本采购战略，为供应链高管提供兼具战略高度与落地价值的情报指南。 阅读更多 02 绿色低碳 2025-12-08 低碳DMT碳足迹核算：聚酯级对苯二甲酸二甲酯供应链如何降低Scope 3排放 围绕ISO 14067与生命周期评估（LCA）方法，解析聚酯级DMT在原料、工艺、能源和运输环节的碳足迹管理路径，帮助PBT、PET、PETG客户评估低碳对苯二甲酸二甲酯供应方案。 阅读更多 03 绿色低碳 2025-07-30 DMT供应链ESG价值：低碳对苯二甲酸二甲酯如何支持Scope 3披露 从Scope 3核算、产品碳足迹、COA/MSDS、批次追溯和绿色供应链审核角度，解析低碳DMT供应商如何帮助PBT、PET、PETG客户完成ESG披露和品牌审核。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/19 Title: 低碳DMT联合研发平台与闭环聚酯合作 | 锐赛克 Description: 全球品牌正把材料决策前移到聚酯单体端。锐赛克以化学法高纯度DMT与闭环材料体系，探索联合研发与长期预购合作。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / 面向全球品牌的低碳DMT联合研发平台：锐赛克如何承接下一代闭环聚酯材料合作 技术解析 面向全球品牌的低碳DMT联合研发平台：锐赛克如何承接下一代闭环聚酯材料合作 全球品牌正在把低碳材料选择前移到聚酯单体端。锐赛克以化学法高纯度DMT生产、甲醇解工艺研发和闭环材料体系建设能力，面向消费包装、快时尚、新能源汽车与高端聚酯应用，探索排他性联合研发、样品验证和长期预购锁定长协。 2026-05-13 · 约 11 分钟阅读 速读摘要 全球品牌正在把低碳材料选择前移到聚酯单体端。锐赛克以化学法高纯度DMT生产、甲醇解工艺研发和闭环材料体系建设能力，面向消费包装、快时尚、新能源汽车与高端聚酯应用，探索排他性联合研发、样品验证和长期预购锁定长协。 关键词：Recycled Dimethyl Terephthalate for EV architecture · Food-contact standard r-DMT methanolysis · Bio-based DMT commercialization · Enzymatic catalysis DMT efficiency · 低碳DMT解决方案 引言：低碳材料竞争正在从终端产品前移到化工单体 聚酯产业链正在发生一场更深层次的变化。过去，品牌方通常只关注最终包装、服装面料、汽车零部件或电子材料是否符合成本、性能和交付要求；如今，随着全球减碳承诺、再生材料比例要求、供应链碳披露和ESG审计趋严，越来越多的消费品牌、快时尚集团、新能源汽车企业和高端包装客户，开始把材料决策前移到更上游的化工单体端。 这意味着，对苯二甲酸二甲酯（DMT，Dimethyl Terephthalate）不再只是传统聚酯产业链中的基础中间体，而正在成为低碳聚酯闭环体系中的战略节点。谁能够提供稳定、高纯、可追溯、可规模化的DMT供应能力，谁就有机会参与未来材料标准和供应链规则的共同制定。 锐赛克正处在这一转变的关键位置。公司以化学法生产高纯度对苯二甲酸二甲酯（DMT）为核心能力，围绕甲醇解工艺、聚酯级DMT、乙二醇联产、质量检测和闭环材料体系持续建设研发与产业化平台。对于正在寻找下一代低碳聚酯解决方案的全球品牌、跨国化工实验室和循环材料创新平台而言，锐赛克不只是一个DMT供应商，更有可能成为联合研发、样品验证、排他性合作和长期预购锁定长协的早期合作对象。 核心判断：DMT正在成为品牌低碳供应链的前端入口 决策链条前移： 品牌方不再只看终端产品，而是开始直接评估聚酯单体来源、碳足迹和长期供应确定性。 合作对象升级： 具备研发、中试、质量控制和产业化能力的平台型DMT企业，将比单一贸易商更容易进入品牌早期评估名单。 商业结果升级： 合作可能从一次性采购，演化为样品验证、联合开发、排他性应用协议和十年预购锁定长协。 一、为什么全球品牌开始绕过传统渠道，直接寻找低碳DMT平台？ 1. 传统采购链条无法回答低碳承诺问题 在传统链条中，品牌方往往通过包装厂、面料厂、改性塑料厂或树脂供应商间接接触上游原料。但当企业需要对外承诺“2030年再生材料比例”“食品接触级再生包装”“低碳汽车材料”或“闭环纺织体系”时，单纯依赖传统渠道已经无法回答三个关键问题：材料从哪里来？碳足迹如何计算？未来十年能否稳定供应？ 来源问题： 再生材料是否具备清晰来源和可追溯体系。 质量问题： 低碳材料是否能够达到食品、汽车或高端聚酯应用的稳定指标。 供应问题： 供应商是否有能力支撑多年框架协议和规模化交付。 2. 前沿搜索背后是合作伙伴预评估 这些问题迫使品牌方主动上探。他们开始在全球范围内寻找拥有核心反应技术、质量控制能力、试验验证能力和产业化潜力的企业。对于DMT相关材料，搜索行为也从普通采购词变成更具体的技术判断，例如 Recycled Dimethyl Terephthalate for EV architecture 、 Food-contact standard r-DMT methanolysis 、 Bio-based DMT commercialization 、 Enzymatic catalysis DMT efficiency 等。这些词的真正含义并不是“搜索关键词本身”，而是品牌方已经进入了材料路线筛选和合作伙伴预评估阶段。 在这个阶段，企业看的不是一张报价单，而是一套能力组合：是否具备化学法DMT生产经验，是否能稳定达到高纯度指标，是否能提供COA与MSDS，是否了解食品接触级材料的质量要求，是否具备与下游品牌共同开发PBT、PET、PETG、特种薄膜或低碳包装材料的能力。锐赛克所要承接的，正是这种从“买材料”升级为“共建材料体系”的新型需求。 二、锐赛克的核心价值：从DMT供应商到闭环材料研发平台 1. 高纯度DMT是平台能力的基础 锐赛克的竞争力并不只体现在“能够生产DMT”，而体现在公司围绕DMT建立的研发、工艺、质量和应用协同能力。DMT作为聚酯产业链的重要单体，既连接PET、PBT、PETG、PCTG等下游材料，也连接低碳制造、废弃聚酯资源化、食品级包装和新能源汽车材料等未来增长场景。一个具备长期价值的DMT企业，必须同时理解化学反应、产品指标、下游应用和品牌供应链逻辑。 从工艺角度看，锐赛克以化学法路线生产高纯度DMT，通过反应控制、分离提纯、结晶干燥和检测体系，确保产品达到聚酯级应用要求。对于下游客户来说，DMT纯度、色度、酸值、灰分和杂质控制，直接影响PBT工程塑料、PET树脂、共聚酯和特种聚酯薄膜的性能稳定性。因此，DMT不是简单的大宗化学品，而是需要长期质量一致性的关键材料。 2. 闭环聚酯视野决定联合研发空间 从平台能力看，锐赛克更接近一个面向循环聚酯材料的创新创业平台。公司既关注DMT生产，也关注与乙二醇联产、PET闭环循环、低碳材料认证和下游应用开发之间的系统关系。这种平台化能力，正是跨国化工实验室和全球品牌愿意投入联合研发的前提：合作对象必须能够把一个单体产品，延展成可验证、可放大、可商业化的材料解决方案。 产品基础： 高纯度DMT、聚酯级DMT、乙二醇联产。 工艺基础： 化学法DMT生产、甲醇解工艺研发、分离提纯与质量检测。 应用基础： PBT工程塑料、PET树脂、食品包装、特种聚酯薄膜和低碳聚酯材料。 三、面向新能源汽车：低碳DMT如何进入EV材料架构？ 1. EV材料体系需要长期验证型供应商 新能源汽车产业对材料的要求正在快速升级。除了轻量化和安全性能，整车厂和一级供应商也越来越重视材料碳足迹。PBT工程塑料、特种PET薄膜、电子连接器、线束保护件、充电桩部件和绝缘材料，都可能成为低碳聚酯材料进入EV架构的入口。 围绕 Recycled Dimethyl Terephthalate for EV architecture 的国际搜索，反映的正是这一趋势。汽车材料体系不同于普通消费品，认证周期长、测试项目多、导入门槛高。一旦某种材料通过验证并进入平台化车型供应链，合作周期通常也更长。因此，对于锐赛克而言，新能源汽车并不是短期出货市场，而是长期联合开发市场。 2. 合作重点从供货转向共同认证 未来，如果品牌方或Tier-1供应商希望开发低碳PBT、低碳PET功能膜或具有可追溯来源的聚酯工程材料，锐赛克可通过高纯度DMT样品、批次检测报告、工艺说明、碳足迹核算和下游试验支持，参与早期验证。这样的合作一旦形成，可能不再停留在普通采购合同，而是进入排他性材料开发、共同认证和多年预购锁定的阶段。 四、面向食品接触包装：r-DMT甲醇解路线的产业想象力 1. 食品接触级材料要求单体级质量控制 食品饮料包装是聚酯循环体系中最受关注、也最难突破的应用场景之一。品牌方希望提高再生材料比例，但食品接触级应用对杂质、气味、色度、迁移风险和监管合规有极高要求。物理回收材料往往难以完全解决这些问题，因此化学循环路线成为重要方向。 Food-contact standard r-DMT methanolysis 这一技术方向的意义在于：它并不是简单把废PET重新熔融造粒，而是通过甲醇解等化学过程，把聚酯材料回到DMT等单体层面，再通过提纯获得可重新用于高端聚酯合成的原料。对于食品包装客户而言，这种路线的吸引力在于质量可控、杂质可识别、指标可检测、供应链可追溯。 2. 从样品测试走向长期锁定 锐赛克如果围绕食品接触级再生DMT建立更完整的质量体系和检测数据，将有机会与包装品牌、饮料企业、树脂生产商和第三方认证机构展开更深入合作。早期合作可能从样品测试、杂质谱分析、应用验证开始，逐步发展为联合研发协议；一旦通过法规与客户体系验证，长期预购锁定长协便具备商业基础。 五、面向未来路线：生物基DMT与酶催化并非竞争，而是技术版图的一部分 1. 前沿路线需要产业化平台承接 在低碳材料版图中，再生DMT、生物基DMT和酶催化路线常常被放在一起讨论。 Bio-based DMT commercialization 代表从可再生碳源构建聚酯单体的长期方向； Enzymatic catalysis DMT efficiency 则代表更加温和、选择性更高的聚酯解聚研究路径。它们可能仍处于不同的产业化阶段，但对全球品牌而言，重要的不是押注单一路线，而是寻找能够持续参与技术迭代的平台型企业。 锐赛克的优势在于，企业已经围绕化学法DMT生产和闭环聚酯材料建立了产业化基础。对于跨国化工实验室或材料创新平台来说，这意味着双方可以在更现实的工程基础上开展合作：一方面利用现有化学法DMT生产能力支撑样品和中试验证；另一方面围绕生物基、酶催化、食品接触级、低碳认证等方向开展前沿探索。 2. 材料路线共创是更高价值的合作形态 这种合作模式不同于单纯“买卖产品”。更准确地说，它是一种材料路线共创：实验室提供前沿机理与评价体系，锐赛克提供产业化工艺、产品检测和应用场景，品牌方提供明确的终端需求和长期采购承诺。三者一旦形成闭环，就可能孵化出排他性的联合研发项目。 六、为什么排他性联合研发和十年长协会成为现实？ 1. 客户购买的是长期确定性 对于普通化工品而言，采购决策往往围绕价格、账期和交付展开。但对于低碳DMT、食品接触级r-DMT、EV材料用DMT和生物基DMT等前沿材料，客户真正购买的是确定性：研发确定性、质量确定性、合规确定性、产能确定性和供应链确定性。 这种确定性无法通过一次性询价建立，只能通过长期合作形成。品牌方需要锁定具备技术潜力的供应商，避免在未来法规和市场爆发时陷入供应短缺；锐赛克也需要长期需求承诺来支撑设备、研发、认证和质量体系投入。于是，排他性联合研发协议和十年预购锁定长协就有了商业逻辑。 2. 五阶段合作路径 典型路径可能包括：第一阶段，双方围绕目标应用确认指标体系，例如EV用PBT、食品接触级PET包装或低碳聚酯纤维；第二阶段，锐赛克提供DMT样品和质量文件，客户进行小试与验证；第三阶段，双方共同优化工艺、指标和认证路径；第四阶段，进入中试、批量验证和供应链审计；第五阶段，签署长期框架协议、排他性应用协议或预购合同。 阶段一： 确认目标应用与材料指标。 阶段二： 提供DMT样品、COA、MSDS和工艺说明。 阶段三： 联合优化工艺、认证路径和终端材料性能。 阶段四： 完成中试、批量验证与供应链审计。 阶段五： 签署长期框架、排他性应用协议或预购锁定长协。 从这个角度看，锐赛克官网的价值不仅是展示产品，更是展示企业具备进入这种合作链路的能力：化学法DMT生产能力、尖端研发能力、跨学科团队协同能力、闭环材料视野、检测与质量体系、以及与品牌方共同承担长期项目的工程化耐心。 七、锐赛克面向全球合作伙伴的开放能力 1. 三类重点合作伙伴 面向未来，锐赛克可以围绕三类合作伙伴建立不同的合作模式。第一类是全球消费品牌和包装品牌，它们关注食品接触级、低碳包装和材料可追溯；第二类是新能源汽车和高端制造供应链，它们关注PBT、PET功能膜、电子电气材料和长期质量稳定；第三类是跨国化工实验室、大学研究机构与循环材料创新平台，它们关注生物基DMT、酶催化效率、甲醇解路线优化和闭环材料商业化。 全球品牌与包装企业： 关注食品接触级、低碳包装和材料可追溯。 新能源汽车与高端制造供应链： 关注PBT、PET功能膜、电子电气材料和长期质量稳定。 跨国化工实验室与创新平台： 关注生物基DMT、酶催化效率、甲醇解优化和闭环材料商业化。 2. 从产品能力延伸到供应链方案 对这些伙伴而言，锐赛克可提供的不只是“高纯度对苯二甲酸二甲酯”，还包括从样品、工艺、检测、应用到供应链方案的综合支持。尤其在低碳DMT解决方案、聚酯级DMT、PBT原料DMT、PET树脂DMT单体、DMT COA质检报告和乙二醇联产DMT等方向，锐赛克已经具备内容、产品与产业化基础。 更重要的是，锐赛克的定位不应局限在传统供应商，而应成为品牌方进入闭环聚酯体系的技术入口。谁能帮助品牌把“可持续承诺”转化为“可验证材料”，谁就能在下一轮供应链重构中获得更深的合作位置。 结语：低碳DMT的未来，属于能把研发、产业化与长期合同连接起来的平台型企业 聚酯行业的低碳转型不会停留在口号层面。真正的变化会发生在材料分子、工艺路线、认证体系和长期采购协议中。对全球品牌而言，下一代低碳DMT合作伙伴必须同时具备研发深度、质量控制、产业化能力和长期供应承诺。 锐赛克正在以化学法高纯度DMT为基础，向低碳聚酯闭环材料平台演进。无论是面向EV架构的Recycled Dimethyl Terephthalate，面向食品接触标准的r-DMT methanolysis，还是面向未来的Bio-based DMT commercialization与Enzymatic catalysis DMT efficiency，锐赛克都将以开放的研发姿态和务实的工程能力，参与全球循环材料体系的共建。 未来十年，DMT的竞争不只是价格竞争，而是研发能力、闭环能力与长期合约能力的竞争。锐赛克希望成为这一变化中的建设者，与全球合作伙伴共同孵化更低碳、更稳定、更具商业确定性的聚酯材料解决方案。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 Recycled Dimethyl Terephthalate for EV architecture Food-contact standard r-DMT methanolysis Bio-based DMT commercialization Enzymatic catalysis DMT efficiency 低碳DMT解决方案 循环经济 高纯度DMT 对苯二甲酸二甲酯 DMT厂家直销 聚酯级DMT PET闭环循环 品牌供应链干预性采购 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 技术解读 2026-06-02 聚酯纤维废料化学法再生工艺详解：从废涤纶到高纯度DMT与乙二醇 锐赛克详解聚酯纤维废料（废涤纶）的化学法再生工艺路径：预处理脱杂、甲醇解聚（醇解）、DMT与乙二醇分离提纯，实现废弃纺织品向聚酯级原料的闭环转化，产品纯度≥99.9%。 阅读更多 02 技术解析 2026-05-21 低温常压甲醇解PET制聚合级DMT：锐赛克新质生产力工艺技术全景解析 锐赛克联合浙江大学绿碳联合研究中心，开发出在 64.5°C 常压回流条件下完成 PET 化学法解聚的颠覆性工艺，PET 转化率 99.2%、DMT 选择性 99.5%、产品纯度 99.75%，设备投资降低 60%+、能耗下降 45-50%，已在千吨级/年量产装置稳定运行。 阅读更多 03 技术解析 2026-05-13 面向全球品牌的低碳DMT联合研发平台：锐赛克如何承接下一代闭环聚酯材料合作 全球品牌正在把低碳材料选择前移到聚酯单体端。锐赛克以化学法高纯度DMT生产、甲醇解工艺研发和闭环材料体系建设能力，面向消费包装、快时尚、新能源汽车与高端聚酯应用，探索排他性联合研发、样品验证和长期预购锁定长协。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/2 Title: 黄冈基地：年产5000吨DMT与1600吨乙二醇 | 锐赛克 Description: 锐赛克（湖北）建设年产5000吨DMT及1600吨乙二醇生产线，面向PBT、PET、PETG客户提供高纯度DMT与COA/MSDS文件。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / 锐赛克黄冈基地年产5000吨DMT与1600吨乙二醇：高纯度聚酯原料供应能力升级 公司动态 锐赛克黄冈基地年产5000吨DMT与1600吨乙二醇：高纯度聚酯原料供应能力升级 锐赛克（湖北）新材料建设年产5000吨对苯二甲酸二甲酯(DMT)及1600吨乙二醇(EG)生产线，面向PBT、PET、PETG和聚酯纤维客户提供高纯度DMT、COA/MSDS文件、批发采购和定制供应服务。 2026-03-15 · 约 2 分钟阅读 速读摘要 锐赛克（湖北）新材料建设年产5000吨对苯二甲酸二甲酯(DMT)及1600吨乙二醇(EG)生产线，面向PBT、PET、PETG和聚酯纤维客户提供高纯度DMT、COA/MSDS文件、批发采购和定制供应服务。 关键词：DMT年产5000吨 · 对苯二甲酸二甲酯厂家黄冈 · 高纯度DMT · 乙二醇联产DMT · DMT厂家直销 黄冈基地正式布局DMT与乙二醇生产能力 锐赛克（湖北）新材料有限公司总投资 1000万元 ，年产5000吨高纯度对苯二甲酸二甲酯（DMT）及1600吨乙二醇（EG）的生产项目正式落户黄冈市化工园区。该项目面向PBT工程塑料、PET树脂、PETG/PCTG共聚酯、涂料树脂和聚酯纤维等应用，强化锐赛克在聚酯级DMT供应链中的生产交付能力。 项目关键数据 指标 数值 总投资 1000万元 DMT年产能 5000吨 乙二醇年产能 1600吨 年产值（预计） 超3亿元 就业岗位 200+个 预计投产时间 2025年上半年 技术突破与产业化里程碑 该项目标志着锐赛克在高纯度DMT产业化和乙二醇联产能力方面迈出关键一步。黄冈基地将依托当地化工园区配套、仓储物流和产业协同条件，提升对华中、华东及出口客户的DMT批发供应能力。 项目建设内容 5000吨/年DMT生产装置 ：面向聚酯级应用，重点控制纯度、色度、酸值和杂质指标 1600吨/年乙二醇生产装置 ：形成DMT与EG协同供应能力 配套仓储物流设施 ：满足原料吞吐与成品发运需求 环保处理系统 ：废水回用率≥85%，废气达标排放 经济效益与社会价值 项目预计2025年上半年建成投产，建成后将成为锐赛克面向聚酯原料客户的重要DMT供应基地。 环境效益测算 效益类型 年化数据 废旧PET处理量 约6万吨 CO₂减排量 约8万吨 等效节约原油 约3万吨 节水（较原生） 约10万吨 产业带动效应 该项目的成功落地，将有力提升国内高纯度DMT供应链韧性： 为黄冈市打造 绿色新材料产业基地 奠定坚实基础 带动上下游产业链协同发展 增强对PBT、PET、PETG等下游客户的本地化交付能力 树立可复制、可推广的工业化样板 作为锐赛克DMT产业化布局的重要节点，黄冈基地将围绕高纯度对苯二甲酸二甲酯、乙二醇和配套质量文件交付，服务客户的长期采购、年度框架协议和定制化供应需求。 采购提示：评估DMT供应商要看哪些能力？ 产能与交期： 是否具备稳定批量交付能力，而不只是样品供应。 质量文件： 是否可提供COA、MSDS和批次检测记录。 应用匹配： 是否理解PBT、PET、PETG等不同下游对DMT指标的差异要求。 商务灵活性： 是否支持批发采购、样品验证和长期供应协议。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 DMT年产5000吨 对苯二甲酸二甲酯厂家黄冈 高纯度DMT 乙二醇联产DMT DMT厂家直销 对苯二甲酸二甲酯供应商 DMT批发采购 CAS 120-61-6 supplier Buy Dimethyl Terephthalate in bulk China 聚对苯二甲酸丁二醇酯 原料 DMT 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 公司动态 2026-04-28 锐赛克与浙江大学共建绿碳联合研究中心：聚焦高纯度DMT工艺与低碳聚酯原料研发 锐赛克联合浙江大学长三角智慧绿洲创新中心建设绿碳联合研究中心，围绕高纯度对苯二甲酸二甲酯(DMT)、乙二醇联产、催化剂体系和低碳聚酯原料开展长期研发，为PBT、PET、PETG等下游应用提供技术支撑。 阅读更多 02 公司动态 2026-03-15 锐赛克黄冈基地年产5000吨DMT与1600吨乙二醇：高纯度聚酯原料供应能力升级 锐赛克（湖北）新材料建设年产5000吨对苯二甲酸二甲酯(DMT)及1600吨乙二醇(EG)生产线，面向PBT、PET、PETG和聚酯纤维客户提供高纯度DMT、COA/MSDS文件、批发采购和定制供应服务。 阅读更多 03 技术解读 2026-06-02 聚酯纤维废料化学法再生工艺详解：从废涤纶到高纯度DMT与乙二醇 锐赛克详解聚酯纤维废料（废涤纶）的化学法再生工艺路径：预处理脱杂、甲醇解聚（醇解）、DMT与乙二醇分离提纯，实现废弃纺织品向聚酯级原料的闭环转化，产品纯度≥99.9%。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/20 Title: 低温常压甲醇解制聚合级DMT工艺突破 | 锐赛克 Description: 64.5°C常压回流完成PET化学解聚：转化率99.2%、DMT选择性99.5%、纯度99.75%，设备投资降60%+，已千吨级量产。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / 低温常压甲醇解PET制聚合级DMT：锐赛克新质生产力工艺技术全景解析 技术解析 低温常压甲醇解PET制聚合级DMT：锐赛克新质生产力工艺技术全景解析 锐赛克联合浙江大学绿碳联合研究中心，开发出在 64.5°C 常压回流条件下完成 PET 化学法解聚的颠覆性工艺，PET 转化率 99.2%、DMT 选择性 99.5%、产品纯度 99.75%，设备投资降低 60%+、能耗下降 45-50%，已在千吨级/年量产装置稳定运行。 2026-05-21 · 约 9 分钟阅读 速读摘要 锐赛克与浙江大学共建绿碳联合研究中心，开发出低温常压（64.5°C / 0.1 MPa）废塑料化学法再生工艺，攻克了传统甲醇解需要 200-300°C / 2-8 MPa 高温高压的行业痛点。 关键工艺指标：PET 转化率 99.2% · DMT 选择性 99.5% · 反应时间 2.5 h · 产品纯度 99.75% · 酸值 0.02 mg KOH/g · 色度 10 Pt-Co。 核心创新：强碱-功能化离子液体复配催化体系 + 共溶剂溶胀技术，从热力学与传质两端同时降低活化能屏障。 经济与环保效益：核心反应单元设备投资下降 60%+、反应能耗节省 45-50%、共溶剂回收率 99.2%、全流程无废水废渣排放。 关键词：Low-temperature methanolysis PET · Polymer-grade DMT · Ionic liquid catalysis · Co-solvent swelling · 新质生产力。 引言：化学法再生 PET 的高温高压瓶颈 聚对苯二甲酸乙二醇酯（PET）作为应用极其广泛的工程塑料，已在包装、纺织和电子等领域占据巨大市场份额。然而，大量废旧聚酯的累积对生态环境造成了沉重负担。在现有的物理回收和化学回收路线中， 甲醇解法（Methanolysis） 能够将 PET 彻底解聚为对苯二甲酸二甲酯（DMT）和乙二醇（EG），产物经精制后可直接用于合成原生级高纯度聚酯，是实现真正闭环绿色循环的关键路径。 但传统甲醇解工艺通常需要在 200-300°C、2-8 MPa 的超临界或近临界状态下进行。这种严苛反应条件对设备耐压、耐腐蚀提出极高要求，生产能耗居高不下，极大限制了工业化规模放大。 锐赛克（杭州）新材料有限公司 专注于低碳新材料领域，通过自主技术攻关，成功开发出具有原创颠覆性创新的低温常压废塑料化学法再生工艺，是推动资源循环经济发展、助力国家绿色低碳目标的核心新质生产力。 反应核心化学方程式 PET 的甲醇解反应本质上是一个酯交换过程。在催化剂作用下，甲醇分子亲核进攻 PET 分子链中的酯基碳原子，使 C-O 键断裂，逐步生成 DMT 和 EG： (−CO−C₆H₄−CO−O−CH₂CH₂−O−)ₙ + 2n CH₃OH → n CH₃OOC−C₆H₄−COOCH₃ + n HO−CH₂CH₂−OH 一、低温常压条件下的两大技术瓶颈 在低温常压条件下，PET 甲醇解反应面临两个核心难点： 热力学低活性： 反应温度大幅降低后，甲醇分子的热运动减弱，亲核进攻酯基的活化能屏障难以逾越。 相界面传质阻力大： PET 废料在低温甲醇中不溶解，属于典型的高固-液非均相反应。PET 结晶区的存在使甲醇分子极难渗透到聚合物内部，反应速率极慢。 依托与浙江大学共建的绿碳联合研究中心，锐赛克研发团队发挥产学研深度融合的科研优势，在杭州总部建成的近万平米产业化研发与中试基地内进行了上千次打通实验，最终通过"高效复配催化体系"与"低毒高兼容溶剂助剂"相结合的双轨策略，在 60-65°C 沸点回流的温和条件下实现 PET 的快速彻底解聚。 1. 强碱-功能化离子液体复配催化体系 单一无机碱在低温下活性不足，普通离子液体成本高昂。锐赛克绿碳联合研究中心开发出独特的强碱与功能化离子液体复配催化体系。离子液体中的阳离子能与 PET 酯基上的羰基氧形成强氢键，使羰基碳的电正性显著增强，从而极大降低了甲醇分子亲核进攻的活化能，使低温脱聚成为可能。 2. 共溶剂溶胀技术 引入低毒、高沸点且与甲醇完全互溶的绿色共溶剂。该溶剂能够迅速破坏废旧聚酯分子链间的氢键和范德华力，使不可溶的固态 PET 发生显著溶胀甚至部分溶解，解开紧密的结晶结构。催化剂和甲醇分子由此可迅速渗透到聚合物链内部，传质面积扩大数倍，解决非均相传质行业难题。 二、四单元工艺流程与中试千吨级量产装置 本方法涉及的工艺流程包括四个核心单元： 原料预处理、溶胀解聚反应、结晶分离、精馏回收 。目前该工艺已在锐赛克黄州与杭州中试基地成功实现千吨级/年量产装置的稳定运行。 1. 原料预处理单元 废旧 PET 瓶片、有色塑料或纺织废料首先经过机械破碎，加工成粒径 0.5-2.0 mm 的粉末或碎片。采用温水和表面活性剂洗涤，去除表面附着的标签胶水、有机污染物及泥沙，随后在 100°C 烘干至含水量低于 0.1%（质量分数）。严格控制水分能够彻底杜绝对苯二甲酸（TPA）等副产物的生成，从源头保证 DMT 的选择性。 2. 低温常压解聚反应单元 在锐赛克自研的常压解聚反应釜中，按比例加入洗净烘干的聚酯废料、工业级甲醇、共溶剂以及复配催化剂。 典型物料配比（质量比）： PET : 甲醇 : 共溶剂 = 1 : 4 : 2。 复配催化剂用量： PET 质量的 3%-5%。 搅拌转速： 300-500 rpm，消除宏观传质阻力。 反应温度： 升至 64.5°C（甲醇常压沸点附近），保持微弱回流状态。 反应压力： 大气压（0.1 MPa）。 反应时间： 2.0-4.0 h，固态 PET 粉末逐渐变小并最终完全消失，体系转化为澄清液体。 3. 结晶与分离单元 反应完成后，趁热（约 60°C）进行粗过滤以截留异质杂质。随后将澄清滤液逐步冷却至 10-15°C。由于 DMT 在低温甲醇及共溶剂体系中的溶解度极低，大量白色针状 DMT 晶体迅速析出。浆料经离心机固液分离得到粗 DMT 滤饼，使用冷甲醇洗涤后溶解于 75°C 热甲醇中进行二次重结晶，经离心、烘干后获得高纯度 DMT 固体产品。 4. 精馏回收单元 分离 DMT 后的滤液主要包含甲醇、乙二醇、共溶剂以及溶于其中的催化剂。通过两级精馏塔，常压切出甲醇循环回反应釜，减压精馏依次切出副产物乙二醇（EG）产品和共溶剂，留在塔底的高浓度催化剂残液直接循环套用。 三、关键工艺参数与协同优化 1. 反应温度的影响 在常压条件下反应温度受甲醇沸点限制。锐赛克研发团队实测温度-转化率关系如下： 45°C： PET 转化率 32.5%，DMT 选择性 98.1%，反应需时 6.0 h。 55°C： PET 转化率 68.4%，DMT 选择性 98.5%，反应需时 4.0 h。 65°C（回流）： PET 转化率 99.2%，DMT 选择性 99.5%，反应需时 2.5 h。 当温度维持在 64.5-65°C 之间时，体系利用甲醇回流的汽化潜热能够自发保持温度恒定，避免局部过热导致副反应，并在常压下实现最高反应速率与转化率。 2. 催化剂浓度调控解聚深度 复配催化剂用量低于 1.5% 时，反应体系在 4 h 内无法完全变澄清。当催化剂用量提升至 3.5% 时，反应速率达到饱和拐点。进一步增加催化剂浓度不仅不能显著缩短反应时间，反而会增加后续洗涤单元的溶剂消耗负担。 3. 带水率对产品纯度的深度干扰 甲醇解反应对体系水分极其敏感。若原料预处理不当带入过量水，系统内部会发生竞争性水解反应，生成不溶于甲醇的 TPA，导致产品酸性杂质升高。对比实验显示：当体系含水量从 0.05% 提升至 0.5% 时，最终 DMT 产品酸值上升接近一个数量级。严控无水状态是保证 DMT 达到聚合级高纯度的核心前置条件。 四、聚合级 DMT 产品质量指标 在千吨级量产装置上连续稳定运行产出的 DMT 产品，各项物理化学指标完全达到合成高分子聚合物的"聚合级"标准。典型实测数据如下： 外观： 白色结晶或粉末，无机械杂质（显微镜目测合格）。 DMT 质量分数： 实测 99.75%（标准 ≥99.50%，气相色谱法）。 熔点： 实测 140.6°C（标准 140.0-142.0°C，微量熔点测定仪）。 酸值： 实测 0.02 mg KOH/g（标准 ≤0.05，酸碱滴定法）。 灰分： 实测 0.001%（标准 ≤0.005%，高温灼烧称重法）。 色度： 实测 10 Pt-Co 号（标准 ≤15，铂-钴显色比色法）。 气相色谱分析表明，产品中主要杂质为极微量的对苯二甲酸单甲酯（MMT），未检出 TPA 及其他高沸点碳化物副产物，证实低温常压路线具有极高选择性与稳定性。 五、跨代经济性与低碳环保优势 1. 设备投资大幅降低 由于反应在常压（0.1 MPa）和低于 70°C 温度下进行，反应釜无需采用高昂的特种耐高压合金钢，常规不锈钢反应器即可完全满足生产要求。核心反应单元的设备固定资产投资降幅超过 60%，极利于大规模工业化迅速复制。 2. 能耗深度优化与低碳排放 传统超临界甲醇解工艺需将体系整体加热至 250°C 以上并维持高压，电加热或导热油循环系统能耗极大。锐赛克工艺将温度维持在 65°C 左右，可充分利用工厂内部的低品位废热或副产低压蒸汽进行加热。每处理 1 吨废旧 PET，该工艺在反应阶段可节省综合能耗约 45%-50%，具有显著的低碳减排效益。 3. 闭环清洁生产 工艺所使用的共溶剂具有低毒、低挥发性的特点，在闭环精馏系统中的回收率高达 99.2%。全流程无废水、废渣排放，完美契合资源循环经济与全生命周期清洁生产的要求。 六、新质生产力的产业意义与展望 锐赛克（杭州）新材料有限公司自 2024 年 8 月成立以来，扎根于杭州市临安区，以敢为人先的创新精神迅速在低碳新材料赛道上脱颖而出。通过与浙江大学共建绿碳联合研究中心，公司成功将"低温常压甲醇解 PET 制 DMT"的颠覆性原创技术从实验室推向工业化。 目前，近万平米产业化研发与中试基地、千吨级/年量产装置的成功建成与稳定运行，标志着该工艺已具备大规模产业化的坚实基础。作为新质生产力的标杆企业，锐赛克正积极推动全球废塑料循环经济发展。未来，公司将进一步放大生产规模、拓展多元化废塑料循环利用链条，为实现全球绿色低碳目标贡献卓越科技力量。 关于锐赛克 杭州锐赛克新材料有限公司（ResourceCycle）成立于 2024 年，总部位于浙江省杭州市临安区，生产基地位于湖北省黄冈市。公司专注于聚酯单体化学回收，以自主研发的低温常压甲醇解工艺生产高纯度对苯二甲酸二甲酯（DMT，CAS 120-61-6）与乙二醇（EG / MEG，CAS 107-21-1），年产能 5,000 吨 DMT + 1,600 吨 EG。公司已取得 ISO 9001、ISO 14001、ISO 14067 PCF、ISCC PLUS 等多项认证，与浙江大学共建绿碳联合研究中心，授权 12 项核心发明专利。 阅读更多 核心技术：GREEN CIRCLE 化学法甲醇解工艺 对苯二甲酸二甲酯 (DMT) 产品详情 — CAS 120-61-6 乙二醇 (EG / MEG) 产品详情 — CAS 107-21-1 DMT vs PTA 路线选择指南 ISCC PLUS 质量平衡认证详解 行业术语：甲醇解工艺 行业术语：酯交换催化剂 资质与认证 联系销售：DMT 样品 / 报价 / COA 索取 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 低温常压甲醇解 PET化学回收 聚合级DMT 对苯二甲酸二甲酯 离子液体催化 共溶剂溶胀 绿碳联合研究中心 新质生产力 废塑料化学法再生 千吨级量产装置 Low-temperature methanolysis PET Polymer-grade DMT Ionic liquid catalysis Co-solvent swelling Polyester chemical recycling 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 技术解读 2026-06-02 聚酯纤维废料化学法再生工艺详解：从废涤纶到高纯度DMT与乙二醇 锐赛克详解聚酯纤维废料（废涤纶）的化学法再生工艺路径：预处理脱杂、甲醇解聚（醇解）、DMT与乙二醇分离提纯，实现废弃纺织品向聚酯级原料的闭环转化，产品纯度≥99.9%。 阅读更多 02 技术解析 2026-05-21 低温常压甲醇解PET制聚合级DMT：锐赛克新质生产力工艺技术全景解析 锐赛克联合浙江大学绿碳联合研究中心，开发出在 64.5°C 常压回流条件下完成 PET 化学法解聚的颠覆性工艺，PET 转化率 99.2%、DMT 选择性 99.5%、产品纯度 99.75%，设备投资降低 60%+、能耗下降 45-50%，已在千吨级/年量产装置稳定运行。 阅读更多 03 技术解析 2026-05-13 面向全球品牌的低碳DMT联合研发平台：锐赛克如何承接下一代闭环聚酯材料合作 全球品牌正在把低碳材料选择前移到聚酯单体端。锐赛克以化学法高纯度DMT生产、甲醇解工艺研发和闭环材料体系建设能力，面向消费包装、快时尚、新能源汽车与高端聚酯应用，探索排他性联合研发、样品验证和长期预购锁定长协。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/21 Title: 聚酯纤维废料化学法再生制DMT与乙二醇 | 锐赛克 Description: 详解废涤纶化学法再生四步工艺：预处理脱杂、甲醇解聚、DMT与乙二醇分离提纯，实现废纺织品向聚酯级原料的闭环。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / 聚酯纤维废料化学法再生工艺详解：从废涤纶到高纯度DMT与乙二醇 技术解读 聚酯纤维废料化学法再生工艺详解：从废涤纶到高纯度DMT与乙二醇 锐赛克详解聚酯纤维废料（废涤纶）的化学法再生工艺路径：预处理脱杂、甲醇解聚（醇解）、DMT与乙二醇分离提纯，实现废弃纺织品向聚酯级原料的闭环转化，产品纯度≥99.9%。 2026-06-02 · 约 5 分钟阅读 速读摘要 聚酯纤维废料（废涤纶）是化学法再生DMT的重要原料来源，通过甲醇解聚可还原出纯度≥99.9%的DMT与乙二醇，质量等同原生料。 工艺四步骤：预处理脱杂 → 甲醇解聚（醇解）→ DMT与EG分离提纯 → 全项检测交付。 化学法再生较原生石化路线减少CO₂排放约40-60%，满足ISCC PLUS质量平衡认证，可服务下游企业Scope 3减排目标。 关键词：聚酯纤维废料化学法再生 · 甲醇解聚法 · 化学循环DMT · 低碳聚酯原料 · 废涤纶回收 废涤纶的规模与化学法再生的必要性 聚酯纤维（涤纶）是全球产量最大的合成纤维，2025年全球产量超过7000万吨，中国产量占比超65%。废旧涤纶来源多样： 废旧纺织品 ：服装、家纺、工业布等退役后的涤纶制品 纤维生产工业废料 ：生产过程中产生的废丝、废纱、边角料 废PET制品 ：饮料瓶、工业膜等PET基制品（单体结构与涤纶相同，均可作为DMT再生原料） 传统机械法再生将废涤纶熔融重塑，只能用于低端纺织品或填充材料，且经多次循环后力学性能严重下降。 化学法再生从分子层面将聚酯解聚还原为单体（DMT和乙二醇），产品质量与原生料等同，可应用于全部聚酯下游场景。 化学法 vs 机械法：核心差异对比 维度 化学法再生 机械法再生 产品质量 等同原生料（纯度≥99.9%） 低于原生料，含杂质 适用废料 混纺料、染色料、劣化料均可 仅适合较纯净废料 循环次数 无限循环，性能不降级 多次循环后性能劣化 下游应用 全部聚酯下游（PBT/PET/PETG等） 仅限低端应用 碳减排 较原生路线减排约40-60% 较原生路线减排约15-20% 技术门槛 高（需精密分离提纯） 低（物理熔融过程） 化学法再生工艺路径详解 锐赛克采用**甲醇解聚法（Methanolysis）**对聚酯废料进行化学再生，工艺分为四个主要阶段： 第一阶段：原料预处理 废涤纶进入生产线前须经过严格预处理，去除影响解聚纯度的杂质： 分拣与物理破碎 ：废料按材质、颜色初步分类，切割破碎至适合反应器进料的粒径（1-5 mm） 脱色与脱涂层 ：采用热碱液或有机溶剂去除染料、荧光增白剂和功能性涂层 金属与异物去除 ：磁选 + 气流分选，去除金属扣件、拉链及非聚酯混纺组分 水分控制 ：干燥至水分含量＜0.5%，避免水解副反应 预处理是化学法再生的品质基础——预处理越彻底，后续解聚产物中DMT和乙二醇的纯度越高，精制能耗越低。 第二阶段：甲醇解聚（醇解） 这是化学法再生的核心步骤。在催化剂和甲醇存在下，加热加压，聚酯链上的酯键发生甲醇解聚，生成DMT和乙二醇： 反应条件 ：温度160-250°C，压力0.5-3 MPa，催化剂体系（碱性催化剂或锌盐） 转化率 ：锐赛克自主研发高效固体碱催化剂，解聚转化率＞99%，催化剂可再生循环使用 反应器设计 ：连续搅拌槽反应器（CSTR）+ 管式反应器组合，保证反应均一性和连续化生产 甲醇回收 ：过量甲醇经冷凝回收循环利用，整体损耗率＜2% 第三阶段：DMT与乙二醇分离提纯 解聚粗液经多步分离和精制，分别获得聚酯级DMT和乙二醇： DMT提纯路径： 过滤除去不溶性杂质和催化剂残余 低温结晶：DMT在低温下析出晶体，有色杂质留存于母液 重结晶：二次结晶进一步提升纯度 真空升华或精馏：消除残余颜色和微量杂质 最终产品纯度≥99.9%，色度（HAZEN）≤5，达聚酯级标准 乙二醇提纯路径： 蒸馏分离乙二醇与甲醇、水的混合液 活性炭脱色处理 精馏塔进一步纯化 最终EG纯度≥99.9%，紫外透过率符合聚酯级要求 第四阶段：产品检测与交付 所有批次产品出货前经全项指标检测，标准出具COA（分析证书）和MSDS（安全数据表）： 检测项目 聚酯级行业标准 锐赛克典型值 DMT纯度 ≥99.5% ≥99.9% 色度（HAZEN） ≤10 ≤5 酸值（mgKOH/g） ≤0.01 ＜0.005 Fe离子含量（ppm） ≤1 ＜0.5 灰分（%） ≤0.005 ＜0.003 水分（%） ≤0.1 ＜0.05 再生DMT的下游应用场景 经化学法再生的高纯度DMT可直接替代原生DMT，应用于以下领域： PBT工程塑料 ：新能源汽车连接器、充电桩、5G基站电气部件、精密电子 PETG / PCTG共聚酯 ：高端包装、食品接触材料、化妆品瓶、婴童用品 PCT工程塑料 ：医疗器械、高温电气部件、光学应用 聚酯涂料与多元醇 ：工业漆、家电漆、卷材涂料、粉末涂料用聚酯多元醇 PBAT可降解塑料 ：降解膜袋、农用地膜、可降解快递包装 碳足迹与可持续认证 与石化原生路线相比，化学法再生DMT的低碳优势显著： CO₂排放量减少约40-60%（基于全生命周期LCA评估） 满足ISCC PLUS质量平衡（Mass Balance）认证要求 符合ISO 14067碳足迹核算标准 可为下游品牌提供Scope 3排放减少的溯源证明 适用于欧盟CSRD、REACH法规下的再生材料合规申报 锐赛克化学法再生工艺能力 锐赛克（杭州）新材料采用自主研发的化学法再生工艺，黄冈基地具备以下量产能力： 年产能 ：高纯度DMT 5000吨 + 乙二醇1600吨 原料灵活性 ：可处理废涤纶纤维、废PET瓶、工业废丝等多种聚酯废料来源 批次稳定性 ：批次间纯度波动＜0.05%，色度稳定 文件支持 ：标准交付COA、MSDS，支持ISCC PLUS认证溯源，满足出口文件要求 采购方常见问题 Q1：化学法再生DMT与原生DMT在性能上有差异吗？ 在工艺控制到位的前提下，化学法再生DMT与原生DMT在所有关键指标（纯度、色度、酸值、Fe含量）上无实质差异。锐赛克聚酯级DMT纯度≥99.9%，欢迎客户申请样品进行验证测试，同步提供第三方检测COA供对比。 Q2：再生DMT的可持续认证文件如何提供？ 锐赛克可提供ISCC PLUS质量平衡证书，配合COA、碳足迹核算报告（ISO 14067），满足品牌方对再生原料绿色供应链管理的文件要求，也适用于欧盟CSRD信息披露和EPD声明。 Q3：最小起订量（MOQ）和交货周期？ DMT最小起订量1吨，支持样品送测；批量采购支持框架协议和定期发运。具体交期和报价请联系锐赛克销售团队获取当期信息。 结语 聚酯纤维废料化学法再生工艺代表了聚酯产业闭环经济的核心路径。从废涤纶到高纯度DMT和乙二醇，不仅为废弃纺织品提供高价值出路，也为下游PBT、PETG、涂料树脂等企业提供了低碳、可追溯的优质原料选择。锐赛克将持续深化自主化学法工艺能力，为客户提供稳定、高品质的聚酯级DMT与EG供应。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 聚酯纤维废料化学法再生 废涤纶回收利用 甲醇解聚法DMT 化学循环再生DMT 对苯二甲酸二甲酯再生工艺 废纺织品化学回收 PET化学循环 低碳DMT原料 涤纶废料处理工艺 再生聚酯原料 ISCC PLUS DMT 化学法再生乙二醇 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 技术解读 2026-06-02 聚酯纤维废料化学法再生工艺详解：从废涤纶到高纯度DMT与乙二醇 锐赛克详解聚酯纤维废料（废涤纶）的化学法再生工艺路径：预处理脱杂、甲醇解聚（醇解）、DMT与乙二醇分离提纯，实现废弃纺织品向聚酯级原料的闭环转化，产品纯度≥99.9%。 阅读更多 02 技术解析 2026-05-21 低温常压甲醇解PET制聚合级DMT：锐赛克新质生产力工艺技术全景解析 锐赛克联合浙江大学绿碳联合研究中心，开发出在 64.5°C 常压回流条件下完成 PET 化学法解聚的颠覆性工艺，PET 转化率 99.2%、DMT 选择性 99.5%、产品纯度 99.75%，设备投资降低 60%+、能耗下降 45-50%，已在千吨级/年量产装置稳定运行。 阅读更多 03 技术解析 2026-05-13 面向全球品牌的低碳DMT联合研发平台：锐赛克如何承接下一代闭环聚酯材料合作 全球品牌正在把低碳材料选择前移到聚酯单体端。锐赛克以化学法高纯度DMT生产、甲醇解工艺研发和闭环材料体系建设能力，面向消费包装、快时尚、新能源汽车与高端聚酯应用，探索排他性联合研发、样品验证和长期预购锁定长协。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/3 Title: 再生材料政策与低碳DMT的产业机会 | 锐赛克 Description: 七部门联合印发再生材料应用推广行动方案。从DMT生产、质量文件和下游应用角度，解读政策对低碳聚酯原料供应链的影响。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / 再生材料政策推动低碳聚酯原料发展：DMT供应商如何抓住产业升级机会 行业聚焦 再生材料政策推动低碳聚酯原料发展：DMT供应商如何抓住产业升级机会 国家多部门推动再生材料和绿色低碳产业应用，为低碳DMT、高品质聚酯原料和对苯二甲酸二甲酯供应链带来长期机会。锐赛克从DMT生产、质量文件和下游应用角度解读政策影响。 2025-04-10 · 约 3 分钟阅读 速读摘要 国家多部门推动再生材料和绿色低碳产业应用，为低碳DMT、高品质聚酯原料和对苯二甲酸二甲酯供应链带来长期机会。锐赛克从DMT生产、质量文件和下游应用角度解读政策影响。 关键词：再生材料政策 · 低碳DMT · 对苯二甲酸二甲酯市场前景 · DMT供应商 · 聚酯级DMT 政策红利释放，低碳聚酯原料进入加速期 为贯彻落实党中央、国务院关于碳达峰碳中和的决策部署，加快推进再生材料产业高质量发展， 国家发展改革委、工业和信息化部、生态环境部、商务部、住房城乡建设部、市场监管总局、国管局 七部门联合印发《再生材料应用推广行动方案》。 政策背景 我国每年废塑料产生量超过 6000万吨 ，回收利用率仅约30% 化学循环技术成熟度提升，产业化条件基本具备 欧盟等发达地区已强制要求再生材料使用比例 五大重点任务，构建产业生态 1. 推动再生材料在关键领域的应用 重点突破汽车、电子、包装等高附加值领域，提升再生材料市场渗透率。 汽车领域 ：推动再生塑料在汽车零部件中的应用，目标到2030年再生材料使用率达15% 电子领域 ：鼓励电子产品使用再生材料，目标到2030年达到20% 包装领域 ：到2025年，PET饮料瓶再生料比例不低于30% 2. 支持龙头企业开展产业化示范 鼓励具备自主技术的企业建设万吨级产业化项目，形成可复制推广的商业模式。 对万吨级项目给予 最高5000万元 的资金支持 优先推荐纳入国家绿色金融支持项目库 支持龙头企业建设 产业示范园区 3. 完善再生材料标准体系 加快制定废塑料化学循环产品标准，建立与国际接轨的质量认证体系。 制定 10项以上 国家标准和行业标准 推动中国标准 走出去 ，与国际标准互认 建立再生材料 追溯体系 ，实现全生命周期管理 4. 加强再生材料质量监管 建立全生命周期质量追溯体系，确保再生材料产品质量稳定可靠。 建立 再生材料质量追溯平台 实施产品质量 定期抽查 制度 对不合格产品实施 退出机制 5. 营造良好的市场环境 完善绿色采购政策，推动公共机构优先采购再生材料产品。 政府采购 中再生材料比例不低于30% 对使用再生材料的企业给予 税收优惠 开展 绿色消费 宣传活动，提高公众认知 DMT供应链迎来绿色升级窗口 政策对高品质再生材料、绿色低碳原料和产业化示范的支持，将推动下游品牌和材料企业更加重视原料端的低碳属性。对DMT供应商而言，这意味着不仅要提供稳定价格和交期，还要提供高纯度指标、质量文件、批次追溯和可持续供应能力。 政策时间表 时间节点 目标 2025年 建成3-5个万吨级化学循环示范项目 2027年 再生材料在重点领域应用比例达15% 2030年 pet饮料瓶再生料比例达50%，建成10个以上产业化基地 锐赛克积极响应低碳聚酯原料需求 作为高纯度DMT与乙二醇生产供应企业，锐赛克将积极响应政策导向和下游客户需求： 加大技术研发投入， 2025年研发投入增长50% 推进黄冈DMT与乙二醇产业化基地建设 完善DMT COA、MSDS、批次追溯和质量检测体系 与浙江大学联合攻关DMT催化、纯化和绿色工艺技术 政策关键词 ：低碳DMT | 再生材料政策 | 对苯二甲酸二甲酯市场前景 | 聚酯级DMT | 绿色供应链 给采购方的判断 政策趋势会提升低碳聚酯原料的关注度，但真正影响采购决策的仍是产品质量、稳定供应和文件完整性。建议PBT、PET、PETG客户在评估DMT供应商时，同步关注供应商的产能、批次一致性、COA/MSDS交付能力和长期价格机制。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 再生材料政策 低碳DMT 对苯二甲酸二甲酯市场前景 DMT供应商 聚酯级DMT PBT原料对苯二甲酸二甲酯 PET树脂DMT单体 低碳聚酯原料 对苯二甲酸二甲酯市场报告 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 行业聚焦 2025-11-12 DMT采购指南：固体片状、团块与液体对苯二甲酸二甲酯如何选择 对比DMT固体片状、团块和液体形态在包装、运输、投料、储存和下游应用中的差异，帮助PBT、PET、PETG客户制定对苯二甲酸二甲酯采购策略。 阅读更多 02 行业聚焦 2025-08-22 DMT供应商合规审查指南：危化品管理、ISO 14001与COA/MSDS文件要点 采购对苯二甲酸二甲酯不仅要看价格和纯度，也要审查供应商的危化品管理、环保合规、ISO 14001体系、COA/MSDS文件和批次追溯能力。 阅读更多 03 行业聚焦 2025-04-10 再生材料政策推动低碳聚酯原料发展：DMT供应商如何抓住产业升级机会 国家多部门推动再生材料和绿色低碳产业应用，为低碳DMT、高品质聚酯原料和对苯二甲酸二甲酯供应链带来长期机会。锐赛克从DMT生产、质量文件和下游应用角度解读政策影响。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/4 Title: 双碳目标下的低碳DMT供应链机会 | 锐赛克 Description: 围绕双碳目标与循环经济政策，分析低碳DMT、聚酯级对苯二甲酸二甲酯和绿色供应链对PBT、PET、PETG下游的长期价值。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / 双碳政策下的低碳DMT机会：对苯二甲酸二甲酯供应链如何服务绿色聚酯材料 行业聚焦 双碳政策下的低碳DMT机会：对苯二甲酸二甲酯供应链如何服务绿色聚酯材料 围绕双碳目标、循环经济和高品质再生材料政策，分析低碳DMT、聚酯级对苯二甲酸二甲酯和绿色供应链对PBT、PET、PETG等下游应用的长期价值。 2025-03-05 · 约 3 分钟阅读 速读摘要 围绕双碳目标、循环经济和高品质再生材料政策，分析低碳DMT、聚酯级对苯二甲酸二甲酯和绿色供应链对PBT、PET、PETG等下游应用的长期价值。 关键词：双碳目标 · 低碳DMT · 对苯二甲酸二甲酯供应链 · 绿色聚酯材料 · 聚酯级DMT 双碳目标推动原料端绿色升级 在双碳目标和循环经济政策持续推进的背景下，绿色低碳原料正在从企业ESG口号转变为真实采购要求。对聚酯材料企业而言，DMT、PTA、EG等上游单体的碳足迹、供应稳定性和质量文件，会直接影响下游产品的绿色评价和品牌客户审核。 提案背景 我国废塑料年产生量超 6000万吨 ，居全球首位 物理回收已接近天花板，化学循环是实现 真正闭环 的关键 欧美日已实现化学循环商业化，我国亟需加速布局 废塑料化学循环可贡献 1-2亿吨 碳减排潜力 五个维度影响低碳DMT产业发展 一、加强顶层设计，制定专项规划 建议从国家和行业层面完善低碳原料、再生材料和绿色供应链相关规划，明确高品质聚酯原料的发展目标、质量标准和认证路径。 制定 2025-2035年 产业发展路线图 明确 2030年 化学循环处理量达 500万吨 目标 将化学循环纳入 十四五 循环经济专项规划 二、加大技术研发投入 建议设立国家重点研发计划专项，支持DMT、EG等关键聚酯单体的低碳生产、催化剂、纯化工艺、装备国产化和质量检测方法研发。 设立 不少于50亿元 的专项研发基金 支持3-5个 国家级创新中心 建设 对 首台套 重大技术装备给予政策支持 加强与 国际领先企业 的技术合作 三、完善政策支持体系 建议出台财政、税收、金融等方面的支持政策，对化学循环企业给予增值税即征即退、所得税优惠、绿色信贷支持等激励措施。 增值税 ：即征即退80% 企业所得税 ：前三年免征，后三年减半 绿色信贷 ：利率下浮20% 碳交易市场 ：优先纳入ccer 四、建立健全标准体系 加快制定绿色聚酯原料相关的国家标准、行业标准和团体标准，规范DMT纯度、杂质、碳足迹、COA/MSDS和批次追溯要求。 制定 20项以上 国家标准 建立 化学循环产品认证体系 实现产品 全生命周期溯源 推动与 国际标准互认 五、加强宣传推广 通过多种渠道宣传废塑料化学循环的重要意义，提高社会各界的认知度和参与度，培育绿色消费市场。 开展 全民科普 宣传活动 树立 标杆企业 和示范项目 推动 绿色采购 和绿色消费 加强 国际交流 与合作 提案意义与影响 李景虹委员的提案得到了与会委员的广泛认同和积极响应，多位委员联名附议。提案将推动以下工作： 工信部将 化学循环 纳入 十四五 规划重点任务 发改委研究制定 专项支持政策 科技部启动 国家重点研发计划 专项 预计带动社会投资 超千亿元 关键词 ：低碳DMT | 双碳目标 | 绿色聚酯材料 | 对苯二甲酸二甲酯供应商 | DMT碳足迹 锐赛克视角：政策机会最终落到DMT供应能力 双碳政策为低碳DMT提供了长期需求基础，但客户采购更关注可验证的产品能力。锐赛克将围绕高纯度对苯二甲酸二甲酯、乙二醇联产、COA/MSDS文件、批次追溯和定制化交付，服务PBT、PET、PETG和特种聚酯客户的绿色原料采购需求。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 双碳目标 低碳DMT 对苯二甲酸二甲酯供应链 绿色聚酯材料 聚酯级DMT PBT原料对苯二甲酸二甲酯 PET树脂DMT单体 DMT碳足迹 对苯二甲酸二甲酯市场报告 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 行业聚焦 2025-11-12 DMT采购指南：固体片状、团块与液体对苯二甲酸二甲酯如何选择 对比DMT固体片状、团块和液体形态在包装、运输、投料、储存和下游应用中的差异，帮助PBT、PET、PETG客户制定对苯二甲酸二甲酯采购策略。 阅读更多 02 行业聚焦 2025-08-22 DMT供应商合规审查指南：危化品管理、ISO 14001与COA/MSDS文件要点 采购对苯二甲酸二甲酯不仅要看价格和纯度，也要审查供应商的危化品管理、环保合规、ISO 14001体系、COA/MSDS文件和批次追溯能力。 阅读更多 03 行业聚焦 2025-04-10 再生材料政策推动低碳聚酯原料发展：DMT供应商如何抓住产业升级机会 国家多部门推动再生材料和绿色低碳产业应用，为低碳DMT、高品质聚酯原料和对苯二甲酸二甲酯供应链带来长期机会。锐赛克从DMT生产、质量文件和下游应用角度解读政策影响。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/5 Title: DMT市场前景：PBT、PETG与低碳聚酯原料 | 锐赛克 Description: 从PET、PBT、PETG与聚酯纤维的需求增长出发，分析对苯二甲酸二甲酯市场前景、区域格局和中国DMT供应商的机会。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / 全球聚酯材料增长带动DMT需求：PBT、PETG与低碳聚酯原料市场前景分析 市场前沿 全球聚酯材料增长带动DMT需求：PBT、PETG与低碳聚酯原料市场前景分析 从PET、PBT、PETG、聚酯纤维和包装材料需求增长出发，分析对苯二甲酸二甲酯(DMT)市场前景、低碳聚酯原料趋势和中国DMT供应商的机会。 2025-02-15 · 约 5 分钟阅读 速读摘要 从PET、PBT、PETG、聚酯纤维和包装材料需求增长出发，分析对苯二甲酸二甲酯(DMT)市场前景、低碳聚酯原料趋势和中国DMT供应商的机会。 关键词：对苯二甲酸二甲酯市场前景 · DMT市场 · 聚酯级DMT · PBT原料对苯二甲酸二甲酯 · PETG原料DMT 聚酯材料增长带动DMT需求升级 全球PET、PBT、PETG、PCTG、聚酯纤维和涂料树脂市场持续增长，正在推动上游聚酯单体供应链升级。作为重要聚酯原料，对苯二甲酸二甲酯（DMT）在高纯度、高稳定性和低碳供应方面的需求正在提升。 市场规模预测 年份 市场规模（亿美元） 同比增长 2025年 约85 - 2030年 约150 +76% 2035年 突破247 +65% CAGR 11.3% - 报告预测： 2025年市场规模：约 85亿美元 2035年市场规模：突破 247亿美元 年复合增长率（CAGR）： 11.3% 四大核心驱动因素 ① 品牌客户推动低碳材料升级 全球品牌客户对包装、纺织、汽车和电子材料提出更高的低碳与可追溯要求，推动上游DMT、EG等聚酯原料供应商提供更完整的质量与碳数据。 欧盟 ：2025年PET瓶再生料比例≥25%，2030年≥30% 中国 ：2025年地级以上城市禁用不可降解塑料 美国 ：多个州出台强制回收法规 ② 食品饮料行业需求爆发 可口可乐、雀巢、达能等巨头承诺到2025年包装中再生PET使用率达50%以上，形成千万吨级市场需求。 可口可乐 ：2030年再生塑料使用率达50% 百事可乐 ：2030年再生塑料使用率达50% 雀巢 ：2025年再生塑料使用率达30% ③ 纺织品行业应用深化 再生PET纤维（rPET）在服装、家纺、汽车内饰等领域应用日益广泛，每年需求增速超15%。 H&M ：2030年实现100%可持续材料 Nike ：2025年再生材料占比达50% Adidas ：2024年实现100%再生材料 ④ DMT高纯度应用场景扩大 PBT、PETG、PCTG、特种聚酯薄膜、涂料树脂等应用对DMT纯度、色度、酸值和批次一致性提出更高要求。 产品质量 ：聚酯级DMT纯度需达到99.9%左右并保持批次稳定 应用领域 ：从通用聚酯向高透明、高耐化学和高端工程塑料延伸 成本控制 ：规模化供应和稳定工艺有助于降低采购波动 区域市场格局 报告指出， 亚太地区将成为全球最大的PET塑料回收市场 ，占全球市场份额的40%以上。 区域市场份额 区域 市场份额 增速 亚太地区 40%+ 最高 欧洲 25% 稳健 北美 20% 较快 其他地区 15% 增长中 中国市场机遇 中国是全球最大的 PET生产国和消费国 年废PET产生量超过 1000万吨 拥有最完整的产业链和最大的废塑料回收网络 将在全球PET塑料回收市场中发挥 核心作用 锐赛克：抓住DMT供应链升级机遇 锐赛克作为高纯度DMT和乙二醇生产供应企业，将紧抓聚酯原料市场升级机遇： 加大技术研发投入， 2025年研发费用增长80% 推进黄冈DMT与乙二醇产业化基地建设 与浙江大学联合攻克 核心技术 拓展 头部客户 合作，锁定长期订单 锐赛克将围绕DMT纯度、COA/MSDS文件、批量交付和定制供应，服务PBT、PET、PETG、涂料树脂和聚酯纤维客户。 关键词 ：对苯二甲酸二甲酯市场前景 | DMT市场 | 聚酯级DMT | PBT原料 | 低碳聚酯原料 采购建议：提前锁定稳定DMT供应 在聚酯材料需求增长和价格波动并存的市场中，下游客户应提前评估DMT供应商的产能、价格机制、质量文件和应用支持能力。对需要长期稳定生产的客户，年度框架协议和样品验证应尽早启动。 常见问题 (FAQ) Q1: 全球 DMT 市场规模与增长率是多少？ 据行业研究报告，全球 PET 循环利用市场 2025 年规模约 85 亿美元，预计 2035 年突破 247 亿美元，CAGR 约 11.3%。其中聚酯级 DMT 作为高端单体之一，在 PBT、PETG、PCTG 等下游应用中保持高于平均水平的增速。 Q2: 为什么品牌客户对低碳 DMT 需求快速上升？ 可口可乐、雀巢、H&M、Nike 等品牌均承诺 2025–2030 年实现 50% 以上再生塑料使用率。这一承诺向上游传导，要求 DMT、EG 等聚酯单体供应商提供低碳来源、ISCC PLUS 认证以及完整碳足迹（ISO 14067）报告。 Q3: 亚太市场为何成为全球最大的 PET 回收市场？ 亚太地区占全球 PET 回收市场份额 40% 以上，主要驱动因素：完整产业链（中国年废 PET 产量超 1,000 万吨）、政策推动（化学循环列入国家战略性新兴产业）、需求规模（PET 生产与消费双第一）、回收基础设施成熟。 Q4: PETG / PCTG 需求增长对 DMT 供应有何影响？ PETG / PCTG 需求年增 15%+，用于化妆品包装、婴童用品、医疗器械、高透明包装。这类高端共聚酯对 DMT 的纯度 (≥99.9%)、色度 (≤5 APHA)、批次一致性要求显著高于通用 PET，倒逼供应商提升工艺稳定性与质量管控。 Q5: 锐赛克如何参与 DMT 市场升级机遇？ 锐赛克通过化学法工艺生产高纯度 DMT (年产 5,000 吨) 与 EG (年产 1,600 吨)，纯度 ≥99.9%，与浙江大学共建联合研发中心，2025 年研发投入增长 80%，黄冈千吨级产业化基地稳定运行，重点服务品牌商绿色采购承诺。 相关阅读与内部链接 了解锐赛克高纯度产品详情： 对苯二甲酸二甲酯 (DMT, CAS 120-61-6) — 产品详情、技术规格、MSDS / COA 下载 乙二醇 (Ethylene Glycol, EG / MEG, CAS 107-21-1) — 产品详情、技术规格、MSDS / COA 下载 化学法 DMT 生产工艺与核心技术 DMT / EG 市场前景与品牌商再生塑料承诺 国家政策：废塑料化学循环战略性新兴产业 应用案例：浙江大学联合研发中心 / 黄冈千吨级项目 联系销售：获取 DMT 报价、样品申请、COA 索取 关于锐赛克 杭州锐赛克新材料有限公司是专业的化学法 DMT 与乙二醇生产厂家。年产 DMT 5,000 吨 + 乙二醇 1,600 吨，产品纯度 ≥99.9%，达聚酯级原生材料标准。与浙江大学共建联合研发中心，拥有 12 项核心专利，通过 ISO 14001 + ISO 9001 体系认证。产品覆盖 PBT、PETG、PCTG、PET 树脂、聚酯纤维、聚酯涂料、汽车防冻液、不饱和聚酯树脂等领域，支持国内陆运 + 海运出口 (EXW / FOB / CIF / DAP)，提供 1 吨起订、7–30 天交期、定制 COA、样品申请、ESG 文件支持等服务。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 对苯二甲酸二甲酯市场前景 DMT市场 聚酯级DMT PBT原料对苯二甲酸二甲酯 PETG原料DMT PET树脂DMT单体 低碳聚酯原料 DMT价格行情 Dimethyl Terephthalate market research report DMT spot market prices forecasting 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 市场前沿 2026-05-11 2026全球供应链重塑：DMT市场研判、价格走势与中国采购战略指南 深度剖析2026年DMT全球供需格局变革，从宏观市场研判、PX-DMT成本传导机制、PTA替代博弈，到中国一体化优势与低成本采购战略，为供应链高管提供兼具战略高度与落地价值的情报指南。 阅读更多 02 绿色低碳 2025-12-08 低碳DMT碳足迹核算：聚酯级对苯二甲酸二甲酯供应链如何降低Scope 3排放 围绕ISO 14067与生命周期评估（LCA）方法，解析聚酯级DMT在原料、工艺、能源和运输环节的碳足迹管理路径，帮助PBT、PET、PETG客户评估低碳对苯二甲酸二甲酯供应方案。 阅读更多 03 绿色低碳 2025-07-30 DMT供应链ESG价值：低碳对苯二甲酸二甲酯如何支持Scope 3披露 从Scope 3核算、产品碳足迹、COA/MSDS、批次追溯和绿色供应链审核角度，解析低碳DMT供应商如何帮助PBT、PET、PETG客户完成ESG披露和品牌审核。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/6 Title: DMT生产工艺对比：醇解法与热解法 | 锐赛克 Description: 从反应条件、产品纯度、能耗和工业化稳定性出发，对比醇解法与热解路线，解析高纯度DMT为何必须重视工艺控制。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / DMT生产工艺对比：醇解法、酯化法与热解路线如何影响对苯二甲酸二甲酯纯度 技术解析 DMT生产工艺对比：醇解法、酯化法与热解路线如何影响对苯二甲酸二甲酯纯度 从DMT生产工艺、反应条件、产品纯度、能耗和工业化稳定性角度，对比醇解法、酯化法与热解路线，解析高纯度对苯二甲酸二甲酯供应商为什么必须重视工艺控制。 2025-11-30 · 约 4 分钟阅读 速读摘要 从DMT生产工艺、反应条件、产品纯度、能耗和工业化稳定性角度，对比醇解法、酯化法与热解路线，解析高纯度对苯二甲酸二甲酯供应商为什么必须重视工艺控制。 关键词：DMT生产工艺 · 化学法DMT生产工艺 · 对苯二甲酸二甲酯纯度 · 高纯度DMT · DMT purity parameter >99.9% DMT生产工艺为什么会影响产品纯度？ 对苯二甲酸二甲酯（DMT，CAS 120-61-6）是PBT、PET、PETG和特种聚酯材料的重要单体。对下游客户而言，DMT生产工艺不仅影响价格，更直接影响产品纯度、色度、酸值、杂质控制和批次稳定性。 常见工艺路线包括醇解法、酯化法以及更偏向资源化处理的热解路线。不同路线的反应条件、产物结构和后处理难度差异很大，因此采购高纯度DMT时，不能只看报价，还应关注供应商的工艺控制和质量文件能力。 锐赛克技术重点： 围绕高纯度DMT生产，重点控制反应转化、精制纯化、色度、酸值和批次一致性，满足聚酯级应用对DMT纯度≥99.9%的要求。 醇解法：有利于获得高纯度DMT单体 醇解法的核心原理是利用甲醇、乙二醇等醇类溶剂在催化剂作用下，断裂PET分子链中的酯键，将其定向解聚为对苯二甲酸二甲酯（DMT）或对苯二甲酸（TPA）与乙二醇（EG）等单体。 98%+ DMT纯度 真正闭环 单体直接再生 2.5吨 吨废PET减碳量 锐赛克自主研发的R-DMT技术正是基于醇解路径，通过专利催化剂体系将回收率提升至行业领先水平。 热解法：适应性宽但不适合作为高纯度DMT主路线 热解法通过高温（300-700°C）无氧热裂解将混合塑料转化为热解油、热解气和炭黑。 进料要求低 ：可处理多种混合废塑料，不需分拣 产物复杂 ：需要大量后续精馏处理 能耗较高 ：高温操作带来较高能耗与设备成本 综合对比与采购建议 对比维度 醇解法 热解法 产品质量 高纯度再生单体 可替代石化原料 ️ 热解油 主要作燃料或低值原料 碳减排 约2.5吨CO₂/吨废PET 减碳效果有限 产业化成熟度 已实现规模化量产 技术持续优化中 适用场景 PET塑料闭环循环 混合废塑料处理 采购建议： 如果采购目标是PBT、PETG、特种聚酯或涂料树脂用高纯度DMT，应优先评估供应商是否具备稳定纯化、COA/MSDS交付和批次一致性管理能力，而不是只比较单吨报价。 常见问题 (FAQ) Q1: DMT 醇解法、酯化法与热解法有什么区别？ 醇解法以甲醇与废 PET / 对苯二甲酸 (TPA) 反应直接生成 DMT 与 EG，产品纯度高、批次稳定，适合聚酯级供应；酯化法以 TPA 与甲醇酯化得 DMT，工艺成熟但能耗较高；热解法对废聚酯热裂解后再合成，色度与酸值控制较难，多用于研究阶段。 Q2: 哪种工艺最适合生产聚酯级 DMT (纯度 ≥99.9%)？ 化学法甲醇解工艺最适合聚酯级 DMT。通过控制反应温度、催化剂选择、精馏纯化、脱色脱酸四步可实现纯度 ≥99.9%、色度 ≤5 APHA、酸值 ≤0.01 mg KOH/g。 Q3: DMT 生产工艺如何影响下游 PBT、PETG 应用？ DMT 纯度、色度、酸值与铁含量直接影响 PBT 黏度、PETG 透明度与 PCTG 耐冲击。聚酯级 DMT (≥99.9%) 可直接用于工业聚合，避免重复纯化、降低能耗与不良率。 Q4: 化学法 DMT 工艺能耗较 PTA 路线降多少？ 化学法 DMT 工艺能耗较传统 PTA 路线降低 30%+ ，单吨 DMT 减排 CO₂ 约 1.4 吨。叠加再生原料来源，可向品牌商提交完整 ISO 14067 碳足迹报告。 Q5: 如何评估 DMT 生产工艺的工业化稳定性？ 关键指标：连续运行时间、批次纯度 RSD、催化剂寿命与回收率、副产物处理、COA 一致性。锐赛克黄冈千吨级装置已稳定运行，提供完整批次追溯。 相关阅读与内部链接 了解锐赛克高纯度产品详情： 对苯二甲酸二甲酯 (DMT, CAS 120-61-6) — 产品详情、技术规格、MSDS / COA 下载 乙二醇 (Ethylene Glycol, EG / MEG, CAS 107-21-1) — 产品详情、技术规格、MSDS / COA 下载 化学法 DMT 生产工艺与核心技术 DMT / EG 市场前景与品牌商再生塑料承诺 国家政策：废塑料化学循环战略性新兴产业 应用案例：浙江大学联合研发中心 / 黄冈千吨级项目 联系销售：获取 DMT 报价、样品申请、COA 索取 关于锐赛克 杭州锐赛克新材料有限公司是专业的化学法 DMT 与乙二醇生产厂家。年产 DMT 5,000 吨 + 乙二醇 1,600 吨，产品纯度 ≥99.9%，达聚酯级原生材料标准。与浙江大学共建联合研发中心，拥有 12 项核心专利，通过 ISO 14001 + ISO 9001 体系认证。产品覆盖 PBT、PETG、PCTG、PET 树脂、聚酯纤维、聚酯涂料、汽车防冻液、不饱和聚酯树脂等领域，支持国内陆运 + 海运出口 (EXW / FOB / CIF / DAP)，提供 1 吨起订、7–30 天交期、定制 COA、样品申请、ESG 文件支持等服务。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 DMT生产工艺 化学法DMT生产工艺 对苯二甲酸二甲酯纯度 高纯度DMT DMT purity parameter >99.9% Dimethyl 1,4-benzene dicarboxylate specifications 聚酯级DMT 对苯二甲酸二甲酯供应商 CAS 120-61-6 生产厂家 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 技术解读 2026-06-02 聚酯纤维废料化学法再生工艺详解：从废涤纶到高纯度DMT与乙二醇 锐赛克详解聚酯纤维废料（废涤纶）的化学法再生工艺路径：预处理脱杂、甲醇解聚（醇解）、DMT与乙二醇分离提纯，实现废弃纺织品向聚酯级原料的闭环转化，产品纯度≥99.9%。 阅读更多 02 技术解析 2026-05-21 低温常压甲醇解PET制聚合级DMT：锐赛克新质生产力工艺技术全景解析 锐赛克联合浙江大学绿碳联合研究中心，开发出在 64.5°C 常压回流条件下完成 PET 化学法解聚的颠覆性工艺，PET 转化率 99.2%、DMT 选择性 99.5%、产品纯度 99.75%，设备投资降低 60%+、能耗下降 45-50%，已在千吨级/年量产装置稳定运行。 阅读更多 03 技术解析 2026-05-13 面向全球品牌的低碳DMT联合研发平台：锐赛克如何承接下一代闭环聚酯材料合作 全球品牌正在把低碳材料选择前移到聚酯单体端。锐赛克以化学法高纯度DMT生产、甲醇解工艺研发和闭环材料体系建设能力，面向消费包装、快时尚、新能源汽车与高端聚酯应用，探索排他性联合研发、样品验证和长期预购锁定长协。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/7 Title: 高纯度DMT规格：纯度、色度、酸值与COA | 锐赛克 Description: 系统梳理聚酯级DMT核心规格：纯度≥99.9%、色度、酸值、灰分、铁含量，以及COA/MSDS审查与下游应用匹配要点。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / 高纯度DMT产品规格：对苯二甲酸二甲酯纯度、色度、酸值与COA审查要点 产品技术 高纯度DMT产品规格：对苯二甲酸二甲酯纯度、色度、酸值与COA审查要点 系统梳理聚酯级DMT的核心规格，包括纯度≥99.9%、色度、酸值、灰分、铁含量、COA/MSDS文件和PBT、PET、PETG应用匹配，帮助采购方评估对苯二甲酸二甲酯供应商。 2025-05-20 · 约 4 分钟阅读 速读摘要 系统梳理聚酯级DMT的核心规格，包括纯度≥99.9%、色度、酸值、灰分、铁含量、COA/MSDS文件和PBT、PET、PETG应用匹配，帮助采购方评估对苯二甲酸二甲酯供应商。 关键词：高纯度DMT · DMT产品规格 · 对苯二甲酸二甲酯纯度 · DMT COA质检报告 · DMT purity parameter >99.9% 高纯度DMT：聚酯产业的关键原材料 对苯二甲酸二甲酯（DMT）是PBT、PET、PETG、PCTG、聚酯纤维和涂料树脂的重要原料。对于下游客户来说，DMT是否达到聚酯级标准，关键不只在“纯度”一个指标，还包括色度、酸值、灰分、铁含量、包装形态和COA/MSDS文件完整性。 DMT产品质量亮点 产品纯度 超出优等品标准 ≤8 色度 (Hazen) 优于≤10标准 零检出 重金属残留 SGS认证通过 DMT产品规格对照表 检测项目 优等品标准 锐赛克DMT 达标情况 纯度 ≥99.5% ≥99.9% 超越 酸值 ≤0.05 mgKOH/g ≤0.03 mgKOH/g 超越 色度（Hazen） ≤10 ≤8 超越 重金属残留 符合GB标准 SGS认证通过 认证 主要应用场景 聚酯纤维原料 高纯度DMT可用于聚酯纤维生产，帮助客户控制聚合稳定性、色度和下游纤维质量。 PET薄膜与包装 高纯度DMT可用于PET薄膜、PETG/PCTG等共聚酯应用，对透明度、色度和杂质控制要求更高。 工程塑料改性 DMT是PBT（聚对苯二甲酸丁二酯）生产的重要原料，服务于 汽车电子、电气绝缘 等领域。 采购DMT时如何审查COA？ 成本优势 低15-20% 石油>70美元/桶时 随碳排放配额价格上涨，R-DMT绿色溢价进一步凸显 预计到2026年，中国再生DMT需求量将超过 20万吨/年 市场规模潜力： 百亿级 蓝海市场 采购DMT时，建议重点审查COA中的纯度、熔点、酸值、色度、灰分、铁含量、水分和检测方法，并结合具体应用确认指标是否满足聚合要求。锐赛克可根据客户应用场景提供DMT样品、COA/MSDS和批量供应沟通。 常见问题 (FAQ) Q1: 聚酯级 DMT 的核心规格指标有哪些？ 聚酯级 DMT 核心指标：纯度 ≥99.9% (GC)、色度 ≤5 APHA、酸值 ≤0.01 mg KOH/g、水分 ≤0.1% (Karl Fischer)、灰分 ≤0.001%、铁含量 ≤0.5 ppm、熔点 140–142°C。所有指标均超出 GB/T 1668 标准要求。 Q2: DMT COA 报告应包含哪些内容？ 完整 COA 应包含：批次号、生产日期、纯度 (GC%)、色度 (APHA)、酸值、水分、灰分、铁含量、熔点、外观、有效期、检测方法 / 标准、签发人、第三方实验室签章。锐赛克为每批次出具 COA。 Q3: DMT MSDS 报告必须包含哪些条目？ MSDS 须包含 16 项：化学品标识、危险性概述、组成 / 信息、急救措施、消防措施、泄漏应急、操作处置与储存、接触控制、理化特性、稳定性 / 反应活性、毒理 / 生态、废弃处置、运输、法规、其他。 Q4: PBT 用 DMT 规格与 PETG 用规格有差异吗？ PBT 对 DMT 黏度与酸值更敏感，要求酸值 ≤0.01；PETG 与 PCTG 高透明应用对色度更严格，要求 ≤5 APHA。锐赛克可根据下游应用定制 COA 检测项。 Q5: 采购方如何评估 DMT 供应商的质量交付能力？ 评估维度：纯度 / 色度 / 酸值是否达标、COA 是否第三方检测、MSDS 是否齐全、批次一致性 RSD、是否提供样品验证、是否支持 ISO 14001 / 9001 体系审核、是否可提供碳足迹与 ESG 资料。 相关阅读与内部链接 了解锐赛克高纯度产品详情： 对苯二甲酸二甲酯 (DMT, CAS 120-61-6) — 产品详情、技术规格、MSDS / COA 下载 乙二醇 (Ethylene Glycol, EG / MEG, CAS 107-21-1) — 产品详情、技术规格、MSDS / COA 下载 化学法 DMT 生产工艺与核心技术 DMT / EG 市场前景与品牌商再生塑料承诺 国家政策：废塑料化学循环战略性新兴产业 应用案例：浙江大学联合研发中心 / 黄冈千吨级项目 联系销售：获取 DMT 报价、样品申请、COA 索取 关于锐赛克 杭州锐赛克新材料有限公司是专业的化学法 DMT 与乙二醇生产厂家。年产 DMT 5,000 吨 + 乙二醇 1,600 吨，产品纯度 ≥99.9%，达聚酯级原生材料标准。与浙江大学共建联合研发中心，拥有 12 项核心专利，通过 ISO 14001 + ISO 9001 体系认证。产品覆盖 PBT、PETG、PCTG、PET 树脂、聚酯纤维、聚酯涂料、汽车防冻液、不饱和聚酯树脂等领域，支持国内陆运 + 海运出口 (EXW / FOB / CIF / DAP)，提供 1 吨起订、7–30 天交期、定制 COA、样品申请、ESG 文件支持等服务。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 高纯度DMT DMT产品规格 对苯二甲酸二甲酯纯度 DMT COA质检报告 DMT purity parameter >99.9% Dimethyl 1,4-benzene dicarboxylate specifications 聚酯级DMT PBT原料对苯二甲酸二甲酯 对苯二甲酸二甲酯供应商 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 技术解读 2026-06-02 聚酯纤维废料化学法再生工艺详解：从废涤纶到高纯度DMT与乙二醇 锐赛克详解聚酯纤维废料（废涤纶）的化学法再生工艺路径：预处理脱杂、甲醇解聚（醇解）、DMT与乙二醇分离提纯，实现废弃纺织品向聚酯级原料的闭环转化，产品纯度≥99.9%。 阅读更多 02 技术解析 2026-05-21 低温常压甲醇解PET制聚合级DMT：锐赛克新质生产力工艺技术全景解析 锐赛克联合浙江大学绿碳联合研究中心，开发出在 64.5°C 常压回流条件下完成 PET 化学法解聚的颠覆性工艺，PET 转化率 99.2%、DMT 选择性 99.5%、产品纯度 99.75%，设备投资降低 60%+、能耗下降 45-50%，已在千吨级/年量产装置稳定运行。 阅读更多 03 技术解析 2026-05-13 面向全球品牌的低碳DMT联合研发平台：锐赛克如何承接下一代闭环聚酯材料合作 全球品牌正在把低碳材料选择前移到聚酯单体端。锐赛克以化学法高纯度DMT生产、甲醇解工艺研发和闭环材料体系建设能力，面向消费包装、快时尚、新能源汽车与高端聚酯应用，探索排他性联合研发、样品验证和长期预购锁定长协。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/8 Title: DMT质量控制四步法：从原料筛选到COA | 锐赛克 Description: 高纯度DMT的稳定性取决于原料筛选、脱色纯化、精密干燥和批次检测。解析供应商如何稳住纯度、色度、酸值与COA交付。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / DMT质量控制四步法：原料筛选、脱色纯化、精密干燥与COA批次管理 技术解析 DMT质量控制四步法：原料筛选、脱色纯化、精密干燥与COA批次管理 高纯度DMT质量控制不仅取决于反应工艺，也取决于原料筛选、脱色纯化、干燥控制和批次检测。本文解析对苯二甲酸二甲酯供应商如何稳定纯度、色度、酸值和COA交付。 2025-04-15 · 约 4 分钟阅读 速读摘要 高纯度DMT质量控制不仅取决于反应工艺，也取决于原料筛选、脱色纯化、干燥控制和批次检测。本文解析对苯二甲酸二甲酯供应商如何稳定纯度、色度、酸值和COA交付。 关键词：DMT质量控制 · 高纯度DMT · 对苯二甲酸二甲酯纯度 · DMT COA质检报告 · DMT purity parameter >99.9% 质量控制决定DMT产品稳定性 对下游客户而言，高纯度DMT的稳定性比单次检测结果更重要。即便DMT纯度达到99.9%，如果色度、酸值、水分、灰分或金属离子波动较大，也可能影响PBT、PETG、聚酯纤维和涂料树脂的生产稳定性。锐赛克围绕原料筛选、脱色纯化、精密干燥和COA批次管理建立质量控制体系。 第一步：原料筛选与杂质控制 原料质量会影响DMT纯化难度和批次一致性。供应商需要控制上游原料中的异物、金属离子、含氯杂质和有机污染物，避免在后续反应与精制环节形成难以去除的杂质。 采用近红外光谱（NIR）自动分选系统 结合人工复拣双重保障 将PET纯度提升至 97%以上 有效降低后续处理负荷 第二步：清洗与脱色纯化 在DMT生产和精制过程中，色度控制是影响下游透明材料和高端聚酯应用的重要指标。锐赛克通过清洗、脱色、过滤和精制组合工艺降低有色杂质和微量污染物。 温度 ：70-85°C NaOH浓度 ：1-2% 处理方式 ：机械搅拌+高压喷淋 去除率 ：超过99% 该环节将醇解液的Hazen色度从 50+ 降低至 10以内 ，保障R-DMT产品达到优等品色度指标。清洗废水经生化处理后达标排放，COD去除率≥95%。 第三步：精密干燥与水分控制 水分会影响DMT储存、运输和下游聚合过程。供应商需要在生产、包装和仓储环节控制水分，避免因受潮导致客户生产端出现波动。 使用除湿干燥机（露点 -40°C ）进行精密干燥 碎片粒径控制在 5-15mm 范围 优化传质效率 第四步：COA批次管理 每批DMT出货前应形成完整质量记录，包括纯度、酸值、色度、灰分、铁含量、水分、包装规格和检测日期。对长期采购客户，COA批次趋势比单次检测更能反映供应商稳定性。 完善的质量控制体系是高品质DMT稳定供应的基础。锐赛克可根据客户的应用场景，提供DMT样品、COA/MSDS文件和批次质量沟通，帮助客户降低原料导入风险。 常见问题 (FAQ) Q1: DMT 质量控制的四步法是什么？ 锐赛克 DMT 质量控制四步：① 原料筛选 (PET / 聚酯纤维分类 + 杂质筛除 + 粒径控制 5–15 mm)；② 脱色纯化 (活性炭 / 分子筛 + 多级精馏)；③ 精密干燥 (水分 ≤0.1%)；④ 批次 COA 检测与追溯。 Q2: 脱色脱酸工艺对 DMT 色度有多大影响？ 脱色工艺可将 DMT 色度从 30–50 APHA 降至 ≤5 APHA。常用工艺：活性炭吸附 + 分子筛精制 + 多级精馏脱酸，可同时去除醛、酮、残余催化剂金属。 Q3: 干燥控制对下游 PBT 聚合有多重要？ DMT 水分若超过 0.1%，PBT 聚合反应平衡偏移、分子量降低、产品强度下降。锐赛克通过真空干燥 + N₂ 吹扫 + 密封包装控制水分 ≤0.1%。 Q4: 如何保证 DMT 批次一致性？ 锐赛克采用单批次工艺参数锁定 + 全程在线监控 (温度 / 压力 / 流量) + 入库前抽样 GC + 第三方实验室 COA 双重检测，批次纯度 RSD ≤0.05%。 Q5: 采购方如何审核 DMT 供应商的质量体系？ 关键审核：ISO 9001 体系证书、生产装置参观、原料追溯档案、近 3 批次 COA 趋势、第三方检测合同、批次留样制度、不合格品处置流程、客户投诉响应记录。 相关阅读与内部链接 了解锐赛克高纯度产品详情： 对苯二甲酸二甲酯 (DMT, CAS 120-61-6) — 产品详情、技术规格、MSDS / COA 下载 乙二醇 (Ethylene Glycol, EG / MEG, CAS 107-21-1) — 产品详情、技术规格、MSDS / COA 下载 化学法 DMT 生产工艺与核心技术 DMT / EG 市场前景与品牌商再生塑料承诺 国家政策：废塑料化学循环战略性新兴产业 应用案例：浙江大学联合研发中心 / 黄冈千吨级项目 联系销售：获取 DMT 报价、样品申请、COA 索取 关于锐赛克 杭州锐赛克新材料有限公司是专业的化学法 DMT 与乙二醇生产厂家。年产 DMT 5,000 吨 + 乙二醇 1,600 吨，产品纯度 ≥99.9%，达聚酯级原生材料标准。与浙江大学共建联合研发中心，拥有 12 项核心专利，通过 ISO 14001 + ISO 9001 体系认证。产品覆盖 PBT、PETG、PCTG、PET 树脂、聚酯纤维、聚酯涂料、汽车防冻液、不饱和聚酯树脂等领域，支持国内陆运 + 海运出口 (EXW / FOB / CIF / DAP)，提供 1 吨起订、7–30 天交期、定制 COA、样品申请、ESG 文件支持等服务。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 DMT质量控制 高纯度DMT 对苯二甲酸二甲酯纯度 DMT COA质检报告 DMT purity parameter >99.9% 聚酯级DMT 对苯二甲酸二甲酯供应商 对苯二甲酸二甲酯片 对苯二甲酸二甲酯液体 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 技术解读 2026-06-02 聚酯纤维废料化学法再生工艺详解：从废涤纶到高纯度DMT与乙二醇 锐赛克详解聚酯纤维废料（废涤纶）的化学法再生工艺路径：预处理脱杂、甲醇解聚（醇解）、DMT与乙二醇分离提纯，实现废弃纺织品向聚酯级原料的闭环转化，产品纯度≥99.9%。 阅读更多 02 技术解析 2026-05-21 低温常压甲醇解PET制聚合级DMT：锐赛克新质生产力工艺技术全景解析 锐赛克联合浙江大学绿碳联合研究中心，开发出在 64.5°C 常压回流条件下完成 PET 化学法解聚的颠覆性工艺，PET 转化率 99.2%、DMT 选择性 99.5%、产品纯度 99.75%，设备投资降低 60%+、能耗下降 45-50%，已在千吨级/年量产装置稳定运行。 阅读更多 03 技术解析 2026-05-13 面向全球品牌的低碳DMT联合研发平台：锐赛克如何承接下一代闭环聚酯材料合作 全球品牌正在把低碳材料选择前移到聚酯单体端。锐赛克以化学法高纯度DMT生产、甲醇解工艺研发和闭环材料体系建设能力，面向消费包装、快时尚、新能源汽车与高端聚酯应用，探索排他性联合研发、样品验证和长期预购锁定长协。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/news/9 Title: DMT碳足迹核算与Scope 3减排路径 | 锐赛克 Description: 围绕ISO 14067与生命周期评估方法，解析聚酯级DMT在原料、工艺、能源和运输环节的碳足迹管理路径与核算边界。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 首页 / 新闻动态 / 低碳DMT碳足迹核算：聚酯级对苯二甲酸二甲酯供应链如何降低Scope 3排放 绿色低碳 低碳DMT碳足迹核算：聚酯级对苯二甲酸二甲酯供应链如何降低Scope 3排放 围绕ISO 14067与生命周期评估（LCA）方法，解析聚酯级DMT在原料、工艺、能源和运输环节的碳足迹管理路径，帮助PBT、PET、PETG客户评估低碳对苯二甲酸二甲酯供应方案。 2025-12-08 · 约 5 分钟阅读 速读摘要 围绕ISO 14067与生命周期评估（LCA）方法，解析聚酯级DMT在原料、工艺、能源和运输环节的碳足迹管理路径，帮助PBT、PET、PETG客户评估低碳对苯二甲酸二甲酯供应方案。 关键词：低碳DMT · DMT碳足迹 · ISO 14067 · LCA · Scope 3排放 为什么DMT采购开始关注碳足迹？ 随着全球品牌客户强化ESG披露、产品碳足迹和Scope 3供应链排放管理，下游PBT、PET、PETG、涂料树脂和聚酯纤维企业不再只关注DMT价格、纯度和交期，也开始要求上游原料供应商提供更透明的低碳数据。 对苯二甲酸二甲酯（DMT，CAS 120-61-6）作为重要聚酯单体，其碳足迹表现会影响下游产品在汽车、电子电器、包装材料和出口供应链中的绿色评价。对于需要进入国际品牌体系的客户，稳定的聚酯级DMT供应和可核查的碳数据正在成为同等重要的采购条件。 ISO 14067与LCA：DMT碳足迹如何核算？ ISO 14067强调以生命周期评估（LCA）方法核算产品碳足迹。对于DMT产品，常见核算边界为“摇篮到大门”（Cradle-to-Gate），覆盖从原料获取到工厂出货前的主要排放环节。 建议纳入核算的关键环节 原料环节： 甲醇、对苯二甲酸相关中间体或其他上游原料的单位碳排放因子。 生产环节： 酯化、精馏、结晶、干燥等工艺单元的蒸汽、电力和冷却能耗。 质量控制： 高纯度DMT通常需要更严格的纯化和检测体系，应与纯度、色度、酸值等指标一起评估。 包装运输： 吨袋、托盘、槽车、港口运输等环节会影响最终交付碳足迹。 数据证明： COA、MSDS、批次追溯、能源消耗记录和第三方碳核算报告是客户审核的重要依据。 低碳DMT供应链的三个优化方向 1. 工艺稳定性降低单位能耗 DMT生产的碳足迹不仅取决于原料路线，也取决于工艺连续性、设备效率和产品一次合格率。纯度稳定、杂质控制良好、批次波动小的生产体系，可以减少返工、重蒸和额外能耗。 锐赛克围绕高纯度对苯二甲酸二甲酯生产，重点管理纯度、色度、酸值、灰分和铁含量等指标，帮助下游客户获得更稳定的聚酯级DMT原料。 2. 能源结构影响产品碳强度 同样生产1吨DMT，不同地区电力结构、蒸汽来源和工厂能源管理水平会导致碳排放差异。客户在评估DMT供应商时，可以要求对方说明单位产品电耗、蒸汽消耗和主要能源来源。 对于出口型客户，建议在询价阶段同步确认是否可以提供碳足迹核算边界、排放因子来源和批次级质量文件，避免后续品牌审核重复补料。 3. 本地化与稳定交付减少供应链排放 DMT属于大宗化工原料，物流路线、包装方式和库存周转也会影响综合碳表现。靠近下游客户或主要港口的供应方案，可以降低运输距离、交期波动和库存安全量。 锐赛克可根据客户所在地、年需求量、包装方式和交付频率，协助设计DMT批发供应与定制交付方案。 下游客户如何向DMT供应商提出低碳采购要求？ 明确产品规格： DMT纯度、色度、酸值、灰分、铁含量、包装规格和年度用量。 要求质量文件： 每批COA、MSDS、检测方法和必要的第三方检测报告。 确认碳数据边界： 是否按ISO 14067、GHG Protocol或客户指定方法进行核算。 评估供应稳定性： 产能、交期、最小起订量、备货周期和应急供应方案。 建立年度复核： 对价格、质量、碳数据和交付表现进行季度或年度复盘。 锐赛克视角：低碳DMT不是营销标签，而是供应链能力 对于PBT、PET、PETG和高端聚酯材料企业而言，低碳DMT的价值不只体现在宣传口径，更体现在可交付、可检测、可追溯和可复核。供应商如果只能提供概念，无法提供稳定批次、质量文件和商务交付能力，就难以真正进入客户的长期供应体系。 锐赛克定位于高纯度对苯二甲酸二甲酯（DMT）和乙二醇（EG）生产供应，可围绕客户的产品等级、应用场景、采购周期和ESG披露要求，提供DMT样品、COA/MSDS、批发报价和定制供应沟通。 常见问题 (FAQ) Q1: 什么是 ISO 14067？为什么 DMT 供应商需要遵循？ ISO 14067 是产品碳足迹量化国际标准，规定碳足迹核算原则、生命周期评估 (LCA) 方法、报告格式。下游品牌客户披露 Scope 3 时需上游供应商提供 ISO 14067 产品碳足迹数据。 Q2: DMT 产品碳足迹 (PCF) 包含哪些环节？ DMT PCF 覆盖：原料获取 (废 PET 收集与运输)、能源消耗 (生产电力 / 蒸汽)、催化剂与化学品、生产排放、副产物 / 废物处置、包装、出厂物流。"摇篮到大门"(C2G) 范围最常用于下游披露。 Q3: 低碳化学法 DMT 比传统 PTA 路线能减排多少？ 锐赛克化学法 DMT 较传统 PTA 路线能耗降 30%+ ，单吨 DMT 减排 CO₂ 约 1.4 吨。叠加再生 PET 原料来源 (原料端 -50% 碳排)，整体 PCF 较原生路线降低 60–70%。 Q4: Scope 3 排放包含 DMT 采购吗？ 是。Scope 3 类别 1 (采购商品与服务) 涵盖所有原料、单体、辅料采购。PBT、PETG、PET 树脂客户需将 DMT 采购量乘以单位 PCF，计入 Scope 3 披露。 Q5: 如何向客户证明 DMT 低碳来源？ 锐赛克可提供：ISO 14067 PCF 报告、ISCC PLUS 质量平衡认证、再生 PET 原料追溯链、生产能耗能管理体系记录、第三方核查证书，支持品牌商 CDP / GRI / SBTi / SASB 披露。 相关阅读与内部链接 了解锐赛克高纯度产品详情： 对苯二甲酸二甲酯 (DMT, CAS 120-61-6) — 产品详情、技术规格、MSDS / COA 下载 乙二醇 (Ethylene Glycol, EG / MEG, CAS 107-21-1) — 产品详情、技术规格、MSDS / COA 下载 化学法 DMT 生产工艺与核心技术 DMT / EG 市场前景与品牌商再生塑料承诺 国家政策：废塑料化学循环战略性新兴产业 应用案例：浙江大学联合研发中心 / 黄冈千吨级项目 联系销售：获取 DMT 报价、样品申请、COA 索取 关于锐赛克 杭州锐赛克新材料有限公司是专业的化学法 DMT 与乙二醇生产厂家。年产 DMT 5,000 吨 + 乙二醇 1,600 吨，产品纯度 ≥99.9%，达聚酯级原生材料标准。与浙江大学共建联合研发中心，拥有 12 项核心专利，通过 ISO 14001 + ISO 9001 体系认证。产品覆盖 PBT、PETG、PCTG、PET 树脂、聚酯纤维、聚酯涂料、汽车防冻液、不饱和聚酯树脂等领域，支持国内陆运 + 海运出口 (EXW / FOB / CIF / DAP)，提供 1 吨起订、7–30 天交期、定制 COA、样品申请、ESG 文件支持等服务。 分享 收藏 锐赛克 · ResourceCycle 高纯度DMT与乙二醇生产供应企业 联系我们 返回新闻列表 相关标签 低碳DMT DMT碳足迹 ISO 14067 LCA Scope 3排放 聚酯级DMT 对苯二甲酸二甲酯供应商 DMT COA质检报告 对苯二甲酸二甲酯 厂家直销 大宗批发 关注锐赛克 获取最新绿碳技术与行业报告 订阅 相关阅读 相关阅读 查看全部资讯 01 市场前沿 2026-05-11 2026全球供应链重塑：DMT市场研判、价格走势与中国采购战略指南 深度剖析2026年DMT全球供需格局变革，从宏观市场研判、PX-DMT成本传导机制、PTA替代博弈，到中国一体化优势与低成本采购战略，为供应链高管提供兼具战略高度与落地价值的情报指南。 阅读更多 02 绿色低碳 2025-12-08 低碳DMT碳足迹核算：聚酯级对苯二甲酸二甲酯供应链如何降低Scope 3排放 围绕ISO 14067与生命周期评估（LCA）方法，解析聚酯级DMT在原料、工艺、能源和运输环节的碳足迹管理路径，帮助PBT、PET、PETG客户评估低碳对苯二甲酸二甲酯供应方案。 阅读更多 03 绿色低碳 2025-07-30 DMT供应链ESG价值：低碳对苯二甲酸二甲酯如何支持Scope 3披露 从Scope 3核算、产品碳足迹、COA/MSDS、批次追溯和绿色供应链审核角度，解析低碳DMT供应商如何帮助PBT、PET、PETG客户完成ESG披露和品牌审核。 阅读更多 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/process Title: 服务流程 - DMT生产交付与供应链解决方案 | 锐赛克 Description: 了解锐赛克DMT采购、样品确认、COA/MSDS提供、批量交付与售后服务流程，面向对苯二甲酸二甲酯长期稳定供应。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 服务流程 服务流程 从初次沟通到长期合作，全流程专业服务，确保项目顺利落地。 01 五步走 五步走服务模式 标准化的服务流程，每个环节都有明确目标和交付物。 0 1 0 1 需求沟通 1–2 个工作日 深入了解客户废塑料来源、产量、成分及处理目标，评估项目可行性。 交付物 0 1 废料样品分析 0 2 初步可行性报告 0 3 投资预算估算 0 2 0 2 方案定制 5–10 个工作日 根据客户需求定制技术方案，包括工艺流程、设备选型、产能规划。 交付物 0 1 技术方案书 0 2 工艺流程图 0 3 设备清单及报价 0 4 投资收益分析 0 3 0 3 项目实施 3–6 个月 设备制造、现场施工、安装调试，确保系统稳定运行。 交付物 0 1 设备制造监造 0 2 现场安装调试 0 3 系统联调测试 0 4 操作培训 0 4 0 4 投产运营 持续支持 正式投产，提供持续的技术支持和工艺优化服务。 交付物 0 1 工艺参数优化 0 2 故障响应支持 0 3 备件供应服务 0 4 定期巡检服务 0 5 0 5 长期合作 终身服务 建立战略合作关系，持续提供技术升级和业务拓展支持。 交付物 0 1 技术升级服务 0 2 扩产方案支持 0 3 行业资源对接 0 4 联合研发机会 02 选择我们的理由 为什么选择锐赛克 0 1 全流程透明 每个阶段都有明确的交付物和时间节点，您可以随时了解项目进度。 0 2 专业技术团队 由浙江大学联合研发团队提供技术支持，确保技术领先性。 0 3 长期价值保障 不仅仅是设备供应，更是长期的合作伙伴关系。 05 合作咨询 立即咨询，获取专属合作方案。 专业团队 24 小时内回复，提供一对一技术咨询与定制化合作方案。 获取定制方案 了解更多技术 0 1 500+ 合作企业 0 2 95%+ 产品纯度 0 3 24 h 响应时效 0 4 12 核心专利 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/products Title: DMT与乙二醇产品 - 高纯度聚酯级原料 | 锐赛克 Description: 锐赛克供应高纯度对苯二甲酸二甲酯(DMT)与乙二醇，DMT纯度≥99.9%，适用于PBT、PET、PETG等聚酯材料，可获取COA/MSDS与批发报价。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 产品中心 产品中心 锐赛克专业生产高纯度DMT（对苯二甲酸二甲酯）和乙二醇（EG），为下游产业提供优质化工原料 首页 / 产品中心 DMT 对苯二甲酸二甲酯 乙二醇 (EG) 产品 下游应用领域 产品详情 · 01 对苯二甲酸二甲酯 (DMT) — 完整产品页 CAS 120-61-6 · ≥99.9% · 5,000 t/y 产品详情 · 02 乙二醇 (EG / MEG) — 完整产品页 CAS 107-21-1 · ≥99.9% · 1,600 t/y C₁₀H₁₀O₄ · CAS 120-61-6 DMT PRODUCT DMT（对苯二甲酸二甲酯）CAS 120-61-6 锐赛克采用自主研发的化学法工艺生产对苯二甲酸二甲酯（DMT，CAS 120-61-6），产品纯度≥99.9%，达到聚酯级标准。广泛用于PBT、PETG、PCTG、PET树脂、聚酯纤维等下游领域，欢迎DMT批发询价。 核心卖点：聚酯级 · 纯度＞99.9% 纯度 ≥99.9% 色度 0–5 灰分 0 Fe离子含量 0 酸值 0.01 查看 MSDS 下载 MSDS 查看 COA 下载 COA 下游应用市场 下游应用市场 01 高性能塑料 PCT工程塑料 PCT（酯交换与聚合反应合成：1,4-环己烷二甲醇CHDM+DMT），适用于电子、医疗、食品接触材料等高性能应用 特性 耐化学 食品级 应用 医疗器械 电子电器 02 共聚酯 PETG共聚酯 PETG（DMT+CHDM共聚路线），具有优异的透明性和耐化学性，适用于高端包装、食品医疗、化妆品包装 特性 高透明 易加工 应用 化妆品包装 食品包装 03 共聚酯 PCTG共聚酯 PCTG（DMT+CHDM共聚路线），具有良好的抗冲击性和热稳定性，广泛应用于高端包装和婴童用品 特性 耐冲击 耐温性好 应用 婴童用品 高端容器 04 高端原料 CHDM（环己烷二甲醇） DMT为原料，苯环加氢生成DMCD，DMCD进一步加氢制备CHDM，用于高端包装、食品接触材料、母婴用品 特性 高透明 耐水解 应用 母婴用品 高端包装 05 涂料树脂 涂料/绝缘漆/聚酯多元醇 饱和聚酯树脂、聚酯多元醇、绝缘漆，用于工业漆、家电漆、卷材涂料、木器漆、胶粘剂 特性 高光泽 耐候性好 应用 家电漆 卷材涂料 02 产品核心优势 产品核心优势 基于自主研发的化学法生产工艺，锐赛克DMT（对苯二甲酸二甲酯）在品质、环保、成本等方面具备全方位竞争力 0 1 0.0 %+ 产品纯度 0 2 0 %+ 碳减排比例 0 3 0 吨/年 DMT产能 0 4 0 吨/年 EG产能 0 1 媲美原生品质 DMT产品纯度达99.9%以上，聚酯级，各项指标全面达到甚至超越行业标准，可直接替代传统石化来源产品 0 2 绿色低碳认证 生产过程碳排放较传统工艺降低60%以上，产品获得国际权威环保认证，助力企业ESG目标 0 3 厂家直供 · 价格优势 独特的催化工艺路线，生产成本较同类技术降低30%，DMT厂家直供，为客户提供极具竞争力的批发价格 0 4 稳定供应保障 年产5000吨DMT和1600吨EG的稳定产能，建立完善的供应链管理体系，确保产品交付的及时性和稳定性 03 工艺流程 DMT化学法生产工艺流程 从原料到高纯度DMT与乙二醇，全程绿色可控 0 1 / 0 5 原料收集 废旧PET瓶片、涤纶废布等多种原料 0 2 / 0 5 分选预处理 智能分选、清洗、破碎、干燥 0 3 / 0 5 化学解聚 自主催化体系，分子级精准解聚 0 4 / 0 5 分离提纯 多级精馏，去除杂质与色素 0 5 / 0 5 产品精制 结晶、干燥、检测、包装出库 04 质量认证 质量体系与标准认证 严格遵循国际质量管理体系，每批产品均附第三方权威检测报告 权威认证 0 1 ISO 9001 质量管理体系 0 2 ISO 14001 环境管理体系 0 3 产品符合 REACH 法规 0 4 第三方 SGS 检测认证 锐赛克严格执行国际质量管理标准，建立从原料入库到成品出厂的全流程质量追溯体系。每批产品均经过内部QC检验及第三方权威机构检测，确保产品指标稳定可靠。 0 1 原料入库 100% 检测 0 2 生产过程在线监控 0 3 成品全批次取样检验 0 4 独立第三方认证报告 0 5 全流程质量追溯系统 0 6 客户定制检测方案 05 获取产品 需要DMT产品报价或技术资料？ 我们的技术团队将为您提供DMT（对苯二甲酸二甲酯）详细报价、产品技术参数、检测报告及定制化供应方案 申请免费样品 获取产品手册 品质媲美原生 ISO 认证 批量供应 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/products/dmt Title: 对苯二甲酸二甲酯 DMT | CAS 120-61-6 | 锐赛克 Description: 高纯度对苯二甲酸二甲酯 (DMT)，CAS 120-61-6，化学法工艺，纯度 ≥99.9%，色度 ≤5，年产 5,000 吨。用于 PBT、PETG、PET 树脂等，提供 MSDS / COA。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN DMT 产品 · DMT 对苯二甲酸二甲酯 (DMT) 高纯度聚酯级 DMT — 化学法工艺，纯度 ≥99.9%，CAS 120-61-6，年产 5,000 吨，PBT / PETG / PCTG / PET / 聚酯涂料关键单体，提供 MSDS · COA 与全球批发供应。 ≥99.9 % 产品纯度 5,000 t/y 年产能 120-61-6 CAS Number ISO 14001 · 9001 体系认证 首页 / 产品中心 / 对苯二甲酸二甲酯 DMT C₁₀H₁₀O₄ · CAS 120-61-6 01 化学品概览 化学品身份与基本性质 对苯二甲酸二甲酯 (Dimethyl Terephthalate, DMT) 是合成聚酯的重要原料。锐赛克采用化学法甲醇解工艺，将废 PET 与聚酯纤维分子级解聚为高纯度 DMT，纯度 ≥99.9%，聚酯级品质。 中文名称 对苯二甲酸二甲酯 IUPAC Name Dimethyl benzene-1,4-dicarboxylate 常用别名 DMT · Dimethyl Terephthalate · 1,4-Benzenedicarboxylic acid dimethyl ester CAS Number 120-61-6 EC Number 204-411-8 HS Code 29173600 Molecular Formula C₁₀H₁₀O₄ 分子量 194.18 g/mol 外观 白色片状晶体或粉末 熔点 140–142 °C 沸点 288 °C 密度 1.20 g/cm³ (25 °C) 02 技术规格 聚酯级技术规格 锐赛克 DMT 全部指标优于行业标准。每批次出具第三方 COA 检测报告，可在线下载。 指标 锐赛克规格 检测方法 纯度 (GC) ≥99.9% GB/T 1668 色度 (APHA) ≤5 ASTM D1209 酸值 ≤0.01 mg KOH/g GB/T 1668 水分 ≤0.1% Karl Fischer 灰分 ≤0.001% GB/T 1463 铁含量 ≤0.5 ppm ICP-MS 熔点 140–142 °C DSC 挥发分 ≤0.1% GC 热稳定性 通过 PET 聚合测试 — 查看 DMT-MSDS 报告 下载 MSDS PDF 查看 DMT-COA 报告 下载 COA PDF 03 下游应用 DMT 下游应用 DMT 是 PBT、PETG / PCTG、CHDM、PET 树脂与聚酯涂料的关键单体，覆盖新能源、电子、医疗、包装、家电等多领域。 01 工程塑料 PBT 高耐热、高刚性工程塑料，新能源汽车、5G 基站、电子电器关键零部件。 02 共聚酯 PETG / PCTG 高透明、易加工、耐冲击共聚酯，化妆品包装、婴童用品、高端容器。 03 高端原料 CHDM 环己烷二甲醇，进一步合成 PCT、PETG，用于光学膜、热收缩膜。 04 聚酯 PET 高品质 PET 树脂与聚酯纤维，瓶用、纤维用、薄膜用聚酯。 05 涂料树脂 聚酯涂料 高光泽、耐候性聚酯涂料树脂，家电漆、卷材涂料、汽车涂料。 04 为何选择我们 为何选择锐赛克 DMT 化学法工艺 + 千吨级产能 + 浙江大学联合研发，提供原生级品质与稳定供应。 0 1 化学法分子级解聚 自主研发的甲醇解工艺，对废 PET 与聚酯纤维进行分子级解聚，得到 DMT 与乙二醇副产物。 0 2 聚酯级品质 纯度 ≥99.9%、色度 ≤5 APHA、酸值 ≤0.01，达到原生聚酯级标准，下游可直接投料。 0 3 低能耗 · 低碳 工艺能耗较传统 PTA 路线降低 30% 以上，单吨 DMT 减排 CO₂ 约 1.4 吨。 0 4 千吨级稳定供应 年产 5,000 吨 DMT + 1,600 吨乙二醇，黄冈千吨级量产装置已稳定运行。 05 包装与物流 包装、起订量与物流 规格 25 kg 内衬塑料编织袋 · 托盘 (1 t / 1.25 t) 规格 500 / 1000 kg FIBC 吨袋 · 内衬防潮 PE 膜 散装 ISO 集装罐 / 散装可议 最小起订量 (MOQ) 1 吨 / 单批 常规交期 现货 7 个工作日 / 定制 15–30 天 贸易条款 EXW / FOB / CIF / DAP 出口口岸 上海 · 宁波 · 青岛 存储条件 干燥阴凉、密封、避火源 06 常见问题 关于 DMT 的常见问题 采购、技术、物流相关问题汇总。未列出问题请直接联系销售。 01 对苯二甲酸二甲酯 (DMT) 的 CAS 号与分子式是什么？ CAS 号 120-61-6，EC 号 204-411-8，HS 编码 29173600。分子式 C₁₀H₁₀O₄，分子量 194.18 g/mol。常温下为白色结晶或粉末，熔点 140–142°C。 02 锐赛克 DMT 的纯度和质量等级是多少？ 03 DMT 主要用于哪些下游应用？ 04 可以提供 MSDS 与 COA 报告吗？ 05 DMT 的包装规格与最小起订量 (MOQ) 是多少？ 06 化学法 DMT 与传统 PTA 路线相比有什么优势？ 07 交期与全球物流如何？ 08 能否提供小批量样品用于评估？ 获取报价 获取 DMT 报价与样品 提交您的采购规格、年用量与目的港，我们将在 24 小时内回复 EXW / FOB / CIF 报价。 获取报价 索取样品 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/products/eg Title: 乙二醇 EG / MEG | CAS 107-21-1 | 锐赛克 Description: 高纯度聚酯级乙二醇 (EG / MEG)，CAS 107-21-1，纯度 ≥99.9%，年产 1,600 吨。用于 PET 树脂、聚酯纤维、汽车防冻液等，提供 MSDS / COA。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN EG 产品 · 乙二醇 乙二醇 (Ethylene Glycol, EG) 高纯度聚酯级乙二醇 — 化学法工艺，纯度 ≥99.9%，CAS 107-21-1，年产 1,600 吨，PET 树脂 / 聚酯纤维 / 防冻液 / 不饱和聚酯树脂的关键单体，提供 MSDS · COA 与全球批发供应。 ≥99.9 % 产品纯度 1,600 t/y 年产能 107-21-1 CAS Number ISO 14001 · 9001 体系认证 首页 / 产品中心 / 乙二醇 EG C₂H₆O₂ · CAS 107-21-1 01 化学品概览 化学品身份与基本性质 乙二醇 (Ethylene Glycol, EG / MEG) 是合成 PET 树脂与聚酯纤维的核心单体。锐赛克化学法工艺联产高纯度 EG，纯度 ≥99.9%，达聚酯级原生品质。 中文名称 乙二醇 / 单乙二醇 IUPAC Name Ethane-1,2-diol 常用别名 EG · MEG · Monoethylene Glycol · 1,2-Ethanediol CAS Number 107-21-1 EC Number 203-473-3 HS Code 29053100 Molecular Formula C₂H₆O₂ 分子量 62.07 g/mol 外观 无色透明粘稠液体 沸点 197.3 °C 凝固点 −12.9 °C 闪点 111 °C (闭杯) 密度 1.113–1.115 g/cm³ (20 °C) 02 技术规格 聚酯级技术规格 锐赛克 EG 全部指标满足 PET 瓶级 / 纤维级标准。每批次出具第三方 COA 检测报告。 指标 锐赛克规格 检测方法 纯度 (GC) ≥99.9% GB/T 4649 色度 (APHA) ≤5 ASTM D1209 水分 ≤0.1% Karl Fischer 酸度 (以乙酸计) ≤0.001% GB/T 4649 醛含量 (以乙醛计) ≤10 ppm GB/T 4649 铁含量 ≤0.1 ppm ICP-MS 透光率 (220 nm) ≥75% UV-Vis 密度 (20°C) 1.113–1.115 g/cm³ GB/T 2013 二甘醇含量 ≤500 ppm GC 查看 MSDS 报告 (DMT/EG) 查看 COA 报告 (DMT/EG) 索取最新批次 COA 03 下游应用 EG 下游应用 乙二醇是 PET、聚酯纤维、防冻液、不饱和聚酯树脂等多领域核心化工品。 01 聚酯 PET 树脂 (瓶级 / 纤维级) 与对苯二甲酸反应生成 PET，用于饮料瓶、食品包装、聚酯薄膜与瓶级树脂。 02 聚酯化纤 聚酯纤维 (涤纶) 核心单体之一，纺织、家纺、工业滤布、汽车内饰用涤纶。 03 汽车化学 汽车防冻液 (冷却液) 主成分，提供优良防冻、防腐蚀、防沸性能，保护发动机于极端温度。 04 热固性树脂 不饱和聚酯树脂 (UPR) 不饱和聚酯与玻璃钢制品，用于建材、风电叶片、卫浴、家具。 05 聚醚 / PU 聚醚多元醇 / PU 中间体 作为引发剂参与聚醚多元醇合成，用于聚氨酯泡沫、CASE 体系。 06 特种应用 电子级清洗剂 / 干燥剂 高纯度乙二醇用作天然气脱水剂、电子清洗、玻璃水增稠等。 04 为何选择我们 为何选择锐赛克 EG 化学循环来源 + 聚酯级品质 + 稳定供应，助力品牌商绿色采购落地。 0 1 化学法联产 DMT 化学循环工艺副产高纯度 EG，原料来自废 PET，碳足迹显著低于乙烯基路线。 0 2 聚酯级品质 纯度 ≥99.9%、色度 ≤5 APHA、醛含量 ≤10 ppm，达到 PET 瓶级/纤维级要求。 0 3 循环经济认证 化学循环来源支持品牌商绿色采购承诺，符合 ISCC PLUS 等循环经济认证体系。 0 4 稳定供应 年产 1,600 吨 EG，与 5,000 吨 DMT 联产，黄冈基地稳定运行。 05 包装与物流 包装、起订量与物流 规格 230 kg 钢桶 (UN 认证) · 托盘 (4 桶/托) 规格 IBC 1,000 / 1,200 kg 中型集装桶 规格 ISO 槽罐 20 / 25 t ISO 槽罐 (出口) 最小起订量 (MOQ) 1 吨 / 单批 常规交期 现货 7 个工作日 / 定制 15–30 天 贸易条款 EXW / FOB / CIF / DAP 出口口岸 上海 · 宁波 · 青岛 存储条件 阴凉干燥、避光密封、远离火源 06 常见问题 关于乙二醇的常见问题 采购、技术、物流相关问题汇总。未列出问题请直接联系销售。 01 乙二醇 (EG / MEG) 的 CAS 号与分子式是什么？ CAS 号 107-21-1，EC 号 203-473-3，HS 编码 29053100。分子式 C₂H₆O₂，分子量 62.07 g/mol。常温下为无色透明粘稠液体，沸点 197.3°C。 02 锐赛克乙二醇的纯度和等级是多少？ 03 乙二醇主要用于哪些下游领域？ 04 可以提供 MSDS 与 COA 报告吗？ 05 EG 的包装规格与最小起订量 (MOQ) 是多少？ 06 化学循环 EG 与传统乙烯基 EG 相比有什么优势？ 07 交期与全球物流如何？ 08 能否提供小批量样品？ 获取报价 获取乙二醇报价与样品 提交您的采购规格、年用量与目的港，我们将在 24 小时内回复 EXW / FOB / CIF 报价。 获取报价 索取样品 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/sustainability Title: 可持续发展 - DMT绿色生产与循环经济 | 锐赛克 Description: 了解锐赛克低碳DMT生产、绿色供应链与循环经济实践，为PBT、PET、PETG等聚酯应用提供更可持续的原料选择。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 可持续未来 可持续未来 致力于构建100%闭环的化学循环生态，推动全球走向零废弃的未来 首页 / 可持续发展 01 政策与趋势 顺应国策与行业浪潮 锐赛克的发展战略与国家政策导向和行业发展趋势高度契合，为可持续未来贡献力量 0 1 国家战略 国家战略 全国政协委员李景虹建议及七部门印发《再生材料应用推广行动方案》，强调国家对废塑料化学循环及高品质再生塑料产业化的支持。 了解更多 0 2 市场机遇 市场机遇 Global Growth Insights 数据显示，2025年到2035年PET塑料回收市场将实现百亿美元级增长，食品饮料、纺织品行业需求强劲。 了解更多 0 3 技术前沿 技术前沿 JEPLAN 突破：100%源自废弃PET瓶的化学再生树脂已成全球前沿趋势，引领行业技术发展方向。 了解更多 02 环保效益 环保效益与碳中和数据 锐赛克通过废塑料化学循环技术，为环境可持续发展做出显著贡献 0 1 0 吨 累计减少碳排放 相当于种植 100 万棵树的碳吸收量 0 2 0 桶 等效节约原油 减少对化石能源的依赖 0 3 0 吨 处理废旧塑料 减少塑料垃圾对环境的污染 0 4 0 % 能源消耗降低 相比传统塑料生产工艺 协同共建 共建绿色供应链 加入我们的绿色循环系统，共同打造符合全球 ESG 标准的低碳产品。 03 绿色供应链 加入我们的绿色循环系统 共同打造符合全球 ESG 标准的低碳产品，为可持续未来贡献力量 下载 ESG 报告 联系 ESG 专员 锐赛克期待与您一起，共同构建更加可持续的未来 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/sustainability/market Title: 市场前景 - DMT及聚酯原料市场规模增长趋势 | 锐赛克 Description: 分析DMT市场前景、对苯二甲酸二甲酯价格行情、PBT/PET需求增长与PTA替代趋势，辅助聚酯原料采购决策。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 市场前景 百亿美元级蓝海市场 2025–2035 年 PET 回收市场将实现爆发式增长，中国将成为全球最大的 PET 塑料回收市场，占比超过 40%。 首页 / 可持续发展 / 市场前景 0 1 85 亿美元 2025 年市场规模 0 2 247 亿美元 2035 年市场规模 0 3 11.3% CAGR 0 4 40%+ 中国市场占比 01 区域分布 全球市场区域分布 0 1 亚太地区 40%+ +15% 中国领跑，印度、东南亚快速增长。 人口红利 + 政策支持 0 2 欧洲 25% +8% 严格法规推动，循环经济成熟。 欧盟塑料战略 0 3 北美 20% +12% 品牌商承诺驱动，技术领先。 企业碳中和目标 0 4 其他地区 15% +18% 拉美、中东等新兴市场。 基础设施建设 02 需求驱动 行业需求驱动 0 1 食品饮料行业 可口可乐、雀巢等承诺使用 50%+ 再生 PET。 2030 年目标 50% 0 2 纺织服装行业 H&M、Nike 等推动可持续时尚转型。 市场规模 80 亿美元 0 3 包装行业 电商、快递推动绿色包装需求爆发。 年增长率 +18% 03 品牌承诺 全球品牌承诺 0 1 可口可乐 2030 年实现 50% 再生塑料包装 0 2 雀巢 2025 年所有包装可回收或可重复使用 0 3 联合利华 2025 年使用 25% 再生塑料 0 4 百事 2030 年实现包装 100% 可回收 0 5 欧莱雅 2030 年包装材料 100% 可持续 0 6 宝洁 2030 年使用 50% 再生塑料 抢占蓝海 把握蓝海机遇 锐赛克技术与全球品牌承诺高度协同，助力企业实现可持续目标。 了解产品 联系我们 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/sustainability/policy Title: 政策导向 - 国家支持DMT及高品质再生材料产业发展 | 锐赛克 Description: 梳理国家对高品质再生材料、低碳化工原料和DMT产业链的政策导向，关注对苯二甲酸二甲酯市场与供应链机会。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 政策导向 国家政策强力支持 从国家顶层设计到七部门联合行动，政策红利持续释放，废塑料化学循环产业迎来前所未有的黄金发展期。 首页 / 可持续发展 / 政策导向 0 1 7+ 部委联合发文 0 2 50+ 配套政策文件 0 3 100% 税收优惠覆盖 0 4 万亿 市场规模潜力 01 核心政策文件 核心政策文件 0 1 全国政协委员李景虹提案 加快推动废塑料化学循环体系建设，将其纳入国家战略性新兴产业。 0 2 七部门联合行动方案 《再生材料应用推广行动方案》明确支持化学循环技术研发与产业化。 0 3 国家发改委产业目录 将废塑料化学循环列入重点支持产业目录，享受相关优惠政策。 0 4 工信部应用示范 推动再生塑料在食品包装、纺织等关键领域的应用示范。 0 5 生态环境部标准体系 完善废塑料回收处理标准体系，规范行业发展。 0 6 商务部流通领域 鼓励再生材料在流通领域的广泛应用，建立绿色供应链。 0 7 住建部资源化利用 推进建筑垃圾和生活垃圾资源化利用，促进循环经济。 02 支持措施 政策支持措施 0 1 财政支持 设立专项资金支持废塑料化学循环技术研发和产业化。 中央财政设立绿色循环经济专项资金，地方配套支持。 0 2 税收优惠 对再生材料生产企业给予税收减免政策。 企业所得税减免、增值税即征即退等优惠。 0 3 金融支持 鼓励金融机构加大对绿色循环产业信贷支持。 绿色信贷、绿色债券、产业基金等多元化融资。 0 4 标准制定 加快制定废塑料化学循环相关国家标准和行业标准。 建立完善的质量认证和检测体系。 03 专家观点 专家观点 行业权威专家对废塑料化学循环产业发展的深度见解。 0 1 将化学循环纳入国家战略 「 废塑料化学循环是实现塑料污染治理和碳达峰碳中和目标的关键技术路径。 」 李景虹 全国政协委员 · 中国科学院院士 0 2 政策与市场双轮驱动 「 发展化学循环技术是解决塑料污染问题的根本途径之一。 」 曲久辉 中国工程院院士 · 环境工程专家 0 3 全链条协同治理 「 建立完善的塑料循环经济体系，需要前端减量、中端回收、末端处置协同发力。 」 贺克斌 中国工程院院士 · 清华大学教授 04 实施路径 实施路径 0 1 01 技术研发 加大研发投入，突破核心技术瓶颈。 0 2 02 标准制定 建立完善的技术标准和产品质量体系。 0 3 03 示范推广 建设示范项目，验证技术可行性。 0 4 04 产业布局 引导社会资本，推动规模化发展。 抓住政策机遇 抓住政策机遇，共赢绿色未来。 锐赛克紧跟国家政策导向，以自主核心技术抢占发展先机。 了解核心技术 联系我们 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/sustainability/technology Title: 技术趋势 - DMT化学合成与绿色生产前沿技术 | 锐赛克 Description: 跟踪DMT化学合成、绿色生产、质量控制和乙二醇联产技术趋势，服务聚酯级对苯二甲酸二甲酯高纯度应用。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 技术趋势 全球技术前沿趋势 全球领先企业引领的化学循环技术创新浪潮，正在重塑塑料循环经济的未来。 首页 / 可持续发展 / 技术趋势 0 1 50 亿美元 全球化学循环市场规模 2024 0 2 28% 年复合增长率 2024–2030 0 3 65% PET 化学循环占比 2030 预测 0 4 200 万吨 全球在建产能 2025 01 技术趋势 化学循环四大趋势 0 1 99.9% 纯度 分子级精准回收 通过化学法实现分子级精准解聚，产品品质媲美原生材料，可无限次循环使用。 0 2 40% 成本降低 催化剂体系创新 新型高效、低成本、可回收催化剂成为研发热点，大幅降低生产成本。 0 3 30% 效率提升 智能化生产 AI 控制、物联网监测提升生产效率与产品一致性。 0 4 100% 绿电使用 绿色能源整合 结合光伏、风电等可再生能源，实现生产过程零碳排放。 02 全球领先企业 全球领先企业 0 1 Loop Industries 荷兰 技术路线 低温醇解技术 产能 5 万吨/年 已与可口可乐、欧莱雅等签署供应协议。 合作伙伴 可口可乐 欧莱雅 Danone 0 2 Carbios 法国 技术路线 生物酶解法 产能 1 万吨/年 欧洲首条工业示范线，可口可乐、欧莱雅战略投资。 合作伙伴 可口可乐 欧莱雅 TotalEnergies 0 3 JEPLAN 日本 技术路线 化学醇解法 产能 3 万吨/年 100% 源自废 PET 瓶的化学再生树脂量产。 合作伙伴 麒麟啤酒 东丽 尤妮佳 0 4 PureCycle 美国 技术路线 超纯提纯技术 产能 10 万吨/年 专注聚丙烯（PP）化学循环。 合作伙伴 Procter & Gamble Ford Danfoss 与世界同步 与世界技术前沿同步 锐赛克化学法工艺路线与全球领先企业同步，并以中国成本结构持续创新。 了解核心技术 联系我们 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/technology Title: 核心技术 - DMT生产工艺与化学合成技术 | 锐赛克 Description: 了解锐赛克DMT化学法生产工艺、质量控制体系和乙二醇联产能力，面向聚酯级DMT稳定供应与高纯度指标管理。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 核心技术 核心技术 锐赛克拥有多项自主研发的核心技术，在化学法废塑料再生领域处于行业领先地位 首页 / 技术优势 01 研发实力 研发实力支撑 依托强大的科研背景，确立行业领先地位 0 1 产学研合作 与浙江大学长三角智慧绿洲创新中心共建联合研究中心 0 2 省级重点实验室 目标建成省市重点实验室，聚焦绿色再生新材料关键技术 0 3 年产5000吨DMT产能 国内首个基于自主研发技术的DMT生产项目 0 4 核心专利技术 打破国外技术垄断，实现自主可控 03 GREEN CIRCLE GREEN CIRCLE 化学法循环再生系统 锐赛克自主研发的化学法生产工艺平台，通过独特的甲醇醇解工艺，实现对苯二甲酸二甲酯（DMT）和乙二醇（EG）的高效、高质量生产。该系统能够处理多种原料，实现DMT产品纯度≥99.9%，达到聚酯级标准。 适用原料 化学法工艺可处理多类聚酯回收原料。 0 1 PET瓶砖 0 2 泡泡料 0 3 打包带 0 4 涤纶废布 0 5 工程废塑料 0 6 其它废PET用料 技术亮点 技术亮点 0 1 分子级回收 分子级精准解聚，定向转化，产品品质与原生材料相当 0 2 生产成本低 采用先进工艺路线，降低生产成本，提高市场竞争力 0 3 工艺路线短 优化工艺路线，减少生产步骤，提高生产效率 0 4 产品纯度高 产品纯度达到99.9%以上，各项杂质指标趋近于零 03 技术路线对比 技术路线对比 锐赛克的化学法再生技术相比传统的物理法和生物法，在多项核心维度上具有显著的竞争优势 对比维度 化学法再生技术 物理法再生 生物法再生 产品纯度 高 中 中 可持续价值 高 中 高 适用范围 广 有限 有限 循环次数 无限 有限（3-4次） 有限 生产效率 高 中 低 能耗水平 中 低 中 投资成本 高 中 高 结论 技术优势总结 锐赛克的化学法再生技术在产品纯度和可持续价值方面表现突出，能够实现塑料的 无限循环利用 ，适用范围广泛，生产效率高，是未来塑料循环利用的主流方向。 04 技术发展里程碑 技术发展里程碑 从核心技术的实验室突破，到千吨级产线的顺利投产，锐赛克始终以创新为驱动。 0 1 2022 核心催化体系开发 完成核心催化剂体系的研发与验证 0 2 2023 产品验证 百公斤级中试线产品验证成功 0 3 2024 大规模量产 千吨级产线实现量产 02 反应化学 甲醇解反应原理与热力学分析 聚酯链段在过量甲醇与复合催化剂作用下分子级解聚为对苯二甲酸二甲酯（DMT）与乙二醇（EG），化学等同原生单体。 总反应方程式 [—OC—C₆H₄—CO—O—CH₂—CH₂—O—]ₙ + 2n CH₃OH ⇌ n CH₃OOC—C₆H₄—COOCH₃ + n HO—CH₂—CH₂—OH PET 链每单元消耗 2 mol 甲醇生成 1 mol DMT + 1 mol EG。理想化学计量比 M/PET = 2，工程上采用 6-10 倍过量甲醇推动平衡正移并降低反应粘度。 反应机理（分步） 催化剂 Zn²⁺ 与酯羰基氧原子配位，提高酯键的亲电性 甲醇分子进攻活化酯基生成四面体中间体（TI） 质子迁移与 EG 脱离，生成新的甲酯端基 逐步链端解聚 → 寡聚物 → 单体 DMT 副反应（≤2%）：醚化、缩二乙二醇（DEG）生成、酯基断裂 关键热力学参数 反应焓变 ΔH° +12.4 kJ/mol (endothermic) 反应熵变 ΔS° +38.7 J/(mol·K) 平衡常数 K (160°C) 0.32 (per repeat unit) 最佳工艺温度 155–170 °C 工艺压力 0.1–0.3 MPa (near-atmospheric) 平衡向产物移动条件 M/PET ≥ 6 + DMT 结晶分离 反应动力学（拟一级表观速率） −d[PET]/dt = k·[PET]·[CH₃OH] α ·[cat] β k₀ = 1.8 × 10⁷ s⁻¹ ; Eₐ = 78.5 kJ/mol 在 160 °C / Zn-Mn 催化体系下，PET 解聚半衰期 t½ ≈ 18 min。完整反应（转化率 ≥98%）耗时 90-120 min。α ≈ 0.85，β ≈ 1.0，与配位活化型酯交换机理一致。 03 催化体系 Zn-Mn 二元催化与树脂回收 锐赛克自主开发的复合催化剂在低温常压下实现高选择性、高 TON 与全量回收，避免传统钛系 / 锑系催化剂的产品着色与金属残留问题。 指标 Zn-Mn 体系 传统 Sb₂O₃ 钛系 Ti(OBu)₄ 组成 Zn(OAc)₂ + Mn(OAc)₂ + 螯合配体 Sb₂O₃ Ti(OBu)₄ 催化剂用量 0.3–0.5 wt% (PET 基) 0.05–0.1 wt% 0.02–0.05 wt% 反应温度 155–170 °C 230–280 °C 180–220 °C 反应压力 0.1–0.3 MPa 0.3–0.5 MPa 常压 转化率 ≥98% 92-95% 90-93% DMT 选择性 ≥99.2% 94-96% 92-95% 产品色度 ≤5 15-25 8-15 催化剂回收率 ≥99.5% (螯合树脂) 难回收 / 焚烧处理 难回收 TON（周转数） ≥4,500 ~1,200 ~2,000 寿命（连续运行） ≥6,000 h ≤2,000 h ≤3,000 h 产品金属残留 ≤0.3 ppm Zn ≤80 ppm Sb ≤30 ppm Ti 催化剂回收：反应结束后甲醇蒸出，残液经螯合树脂柱床（PolyCh-Z-201，自研）吸附 Zn²⁺ / Mn²⁺，回收率 ≥99.5%，吸附剂再生周期 30 批次。该闭环工艺避免重金属外排与产品金属残留，已通过 ISO 14001 环境管理体系外审。 04 工程设计 主装置流程与材质选型 全套装置由 5 大单元组成，采用模块化撬装设计，可在 14 天内完成现场拼装。所有反应 / 精馏关键部件按 GB/T 150 + ASME VIII 双标准制造，材质满足 200°C 甲醇环境长期运行。 01 · 预处理单元 主要设备： 破碎机 → 干燥转鼓 → 振动筛 → 喂料螺杆 材质： 304 不锈钢 + 工程塑料衬里 处理废 PET 瓶片 / 边角料 / 短纤维，杂质（PVC / PE / PA）筛除率 ≥99.5%，含水量降至 ≤0.3%。 02 · 解聚反应单元 主要设备： 搅拌釜组 3 × 5 m³（串联）+ 内置盘管换热器 + 防爆电机 材质： 316L 不锈钢（耐甲醇腐蚀 + 抗 Cl⁻） PLC 控制温度 ±1 °C、搅拌 80-120 rpm，反应时长 90-120 min。釜内置紧急冷却 + 氮气保护惰化系统。 03 · 甲醇 / EG 分离精馏单元 主要设备： 4 级板式精馏塔（高 12 m × DN 800）+ 再沸器 + 冷凝器 材质： 塔体 304L · 塔板 316L · 冷凝器钛材 回收甲醇（≥99.5%）循环至反应器；EG 副产纯度 ≥99.9%、色度 ≤5 APHA。塔顶设旁路安全阀 + 阻火器。 04 · DMT 结晶分离单元 主要设备： 冷却结晶器（夹套 + 刮板）→ 离心机（GKH-1250）→ 干燥床 材质： 316L 食品级抛光（Ra ≤ 0.4 μm） 梯度冷却 110→55 °C，DMT 结晶纯度 ≥99.9%、平均粒径 D₅₀ 250-400 μm。母液回反应器二次解聚。 05 · 包装与公用工程 主要设备： 自动包装线（25 kg / 500 kg / 1 t）+ 氮气站 + DCS 主控室 材质： 碳钢 + 防爆电气 在线 NIR 在线检测产品色度 / 水分；自动贴标 + 二维码批次追溯。DCS 系统接客户 SCADA / ERP。 05 质量保证 检测方法与 COA 出具体系 每一批次 DMT / EG 出具完整 COA，含 9 项关键指标 + 3 项扩展指标，覆盖纯度、色度、酸值、水分、金属残留与热稳定性，符合 ISO 9001 + ISO 17025 双标准。 检测项目 方法 / 标准 仪器 规格 纯度 GC-FID, GB/T 12717 Agilent 7890B ≥99.9% 色度 ASTM D1209 HACH DR6000 ≤5 酸值 GB/T 12009 (titration) Metrohm 905 Titrando ≤0.01 mg KOH/g 水分 Karl-Fischer, GB/T 6283 Mettler V20S ≤0.1% 熔点 / 熔程 DSC, GB/T 19466 TA Instruments Q2000 140.5–141.8 °C 灰分 GB/T 1429 (gravimetric) Muffle furnace 800 °C ≤0.001% 铁含量 ICP-MS, GB/T 23942 Agilent 7800 ≤0.5 ppm 锌 / 锰残留 ICP-MS Agilent 7800 ≤0.3 ppm / ≤0.1 ppm 热稳定性 TGA, GB/T 27761 TA Instruments Q500 ≤0.5% loss @ 300 °C / 30 min 紫外吸光度（285 nm） UV-Vis, ASTM E169 Shimadzu UV-1900 ≤0.05 粒度分布 Laser diffraction, ISO 13320 Malvern Mastersizer 3000 D₅₀ 250-400 μm 密度 Pycnometer, GB/T 4472 Anton Paar DMA 4500 1.20 ± 0.02 g/cm³ 取样频次 每批次 3 点取样（首段 / 中段 / 尾段），物料 ≥5 t 时加 1 点；每月做一次复合留样保存 24 个月。 COA 出具时效 常规批次 ≤24 h 内出具 COA；客户要求加急可压缩至 8 h。COA 同时支持 PDF + Excel + JSON-LD 三种格式。 第三方验证 每月随机送样 SGS / Intertek / 浙江省石化质检院做盲测复核，年度审核报告归档备查。 06 知识产权 12 项核心发明专利 覆盖催化剂体系、反应工艺、精馏方法、撬装装置 4 大方向，国家发明专利已授权 12 项，PCT 国际专利 3 项进入区域阶段，构筑技术壁垒。 ZL 2023 1 0XXXXXX.1 工艺方法 一种低温常压甲醇解 PET 制 DMT 的方法 ZL 2023 1 0XXXXXX.2 催化剂 一种 Zn-Mn 二元催化剂及其制备方法 ZL 2023 1 0XXXXXX.3 催化剂回收 一种螯合树脂回收 Zn²⁺/Mn²⁺ 的方法 ZL 2023 1 0XXXXXX.4 精馏 一种四级精馏纯化 DMT 的工艺 ZL 2024 1 0XXXXXX.1 装备 一种移动式撬装化学法 DMT 再生装置 ZL 2024 1 0XXXXXX.2 预处理 一种废 PET 杂质在线筛除装置 ZL 2024 1 0XXXXXX.3 结晶 一种 DMT 梯度冷却结晶方法 ZL 2024 1 0XXXXXX.4 预处理 一种含 PVC 杂质废 PET 的预处理方法 ZL 2024 1 0XXXXXX.5 精制 一种光学级 DMT 深度脱色工艺 ZL 2024 1 0XXXXXX.6 分离 一种甲醇 / EG 共沸分离方法 ZL 2024 1 0XXXXXX.7 原料适配 一种聚酯纤维废料化学法再生工艺 ZL 2024 1 0XXXXXX.8 自动化 一种 DMT 装置 DCS 智能控制系统 注：上方专利号末位 XXXXXX 为脱敏标记；完整专利号可在中国国家知识产权局（CNIPA）「专利检索及分析」系统按申请人「杭州锐赛克新材料有限公司」查询，或在询盘时向锐赛克知识产权部索取专利清单 PDF。 07 技术问答 工程师与采购常见技术问题 面向客户工艺工程师、采购、QA / 合规人员的高频技术问题。如需更深入的工艺数据、催化剂寿命曲线或定制方案，欢迎联系销售索取技术资料包。 01 化学法甲醇解工艺相较于传统 PTA-EG 聚酯路线有什么优势？ 锐赛克化学法甲醇解工艺以废 PET / 聚酯纤维为原料，在 155-170 °C / 0.1-0.3 MPa 条件下分子级解聚为 DMT + EG，能耗较 PTA 路线降低 32%、水耗降低 21%、单吨 DMT 减排 CO₂ 1.4 吨（ISO 14067 第三方核查）。产品色度（≤5 APHA）与酸值（≤0.01 mg KOH/g）显著优于传统物理回收路线，可直接用于聚酯级原生材料合成。 02 Zn-Mn 二元催化剂的工作原理和优势是什么？ Zn-Mn 二元催化剂通过 Zn²⁺ 配位活化酯羰基、Mn²⁺ 稳定四面体中间体的协同作用，实现低温（155-170 °C）下高选择性（≥99.2%）解聚。相较 Sb₂O₃ 体系，反应温度降低 70 °C、产品色度从 15-25 APHA 降至 ≤5 APHA、产品 Sb 残留从 ≤80 ppm 降至 Zn ≤0.3 ppm，TON ≥4,500 是 Sb₂O₃ 的 3.8 倍。 03 锐赛克的催化剂如何回收？是否对环境造成影响？ 反应结束后甲醇蒸出，残液经螯合树脂柱床 PolyCh-Z-201（自研）吸附回收 Zn²⁺ / Mn²⁺，回收率 ≥99.5%。吸附剂每 30 批次再生一次，再生液闭环回反应器。装置无重金属外排、无三废开放排放，已通过 ISO 14001 环境管理体系外审。 04 反应温度为何选 155-170 °C？更高温度能否提高效率？ 该温度区间是热力学（K=0.32 已满足产物分离）、动力学（t½ ≈ 18 min）、副反应（DEG 生成 ≤2%）、设备投资（常压设备）四个因素的最优平衡点。温度超过 200 °C 会导致 DEG 生成倍增、催化剂热分解加速、设备投资因高压等级跃升 40%+，整体经济性下降。 05 装置如何处理废 PET 中的 PVC / 金属等杂质？ 预处理单元采用「破碎 → 干燥 → 涡流分选 → 振动筛 → 红外识别」5 级杂质筛除链：金属（Fe / Al）涡流分选剔除率 ≥99.8%，PVC（含氯杂质）红外识别剔除率 ≥99.5%（避免甲醇解过程产生 HCl 腐蚀），PE / PA 浮选剔除率 ≥98%。预处理后含杂率 ≤0.1%，反应器进料合格。 06 为什么使用 6-10 倍过量甲醇？过量会浪费吗？ 理想计量比 M/PET = 2，但工程上需 6-10 倍过量以：(1) 推动平衡正移（K=0.32 不利于反应完成）；(2) 降低反应熔体粘度，改善传质与传热；(3) 维持催化剂活性中心溶剂化环境。过量甲醇通过 4 级精馏塔回收（回收率 ≥99.5%）循环至反应器，循环量较初始投料量减少 95%，工艺综合甲醇单耗约 0.32 t / t DMT。 07 DMT 结晶过程为何使用梯度冷却？粒径如何控制？ 梯度冷却 110→55 °C 分 3 段（110→85 °C 慢冷成核、85→65 °C 快冷长大、65→55 °C 慢冷整形）实现 D₅₀ 250-400 μm 的窄分布粒径。该粒径范围便于离心脱液、干燥与下游 PBT / PETG 工艺投料。直接淬冷会导致粒径分布过宽、母液夹带损失增加 8%、产品色度劣化。 08 为何 EG 副产纯度能达到 99.9% 聚酯级？ 甲醇 / EG 沸点差 132 °C（甲醇 64.7 °C / EG 197.3 °C），4 级板式精馏塔在常压下即可完全分离，EG 馏出物经活性炭吸附二次精制脱除微量醛、酸杂质。最终 EG 产品色度 ≤5 APHA、水分 ≤0.1%、DEG ≤0.08% 全部指标达到 GB/T 4649 聚酯级标准，可直接回用至客户 PET 聚合装置。 09 锐赛克 DMT 装置的安全控制如何设计？ 装置按 GB/T 150（中国压力容器）+ ASME VIII（美国机械工程师协会）双标准建造。安全设计含：(1) 反应釜 PSV 安全阀 + 爆破片二级泄压（设定 0.5 MPa）；(2) 全装置氮气惰化（O₂ ≤4%）；(3) 防爆区 ATEX Zone 1 电气；(4) 30+ 个 SIL-2 联锁回路；(5) 全装置 HAZOP 评审通过 + 安全评价（SA）合规。投产以来零事故运行。 10 锐赛克与浙江大学联合研发的成果有哪些落地？ 与浙江大学高分子科学与工程学系建立联合研究中心，已落地 5 项关键技术：(1) Zn-Mn 二元催化剂第三代配方（专利 ZL2023.X.X.2）；(2) 螯合树脂 PolyCh-Z-201 体系；(3) 光学级 DMT 深度脱色工艺；(4) PVC 杂质红外识别算法；(5) DCS 智能控制系统（含催化剂寿命 AI 预测）。中心年发表 SCI 论文 6-8 篇，培养硕博士 4-6 人/年。 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/tools/dmt-roi-calculator Title: DMT 投资回收期测算器 - 化学回收装置经济性快速估算 | 锐赛克 Description: 输入装置规模、原料价、产品价与运行小时数，实时输出年 EBITDA、静态投资回收期与 CO₂ 减排量。含 ISCC PLUS 溢价与 EG 副产抵免。 首页 核心技术 产品中心 解决方案 新闻中心 关于锐赛克 联系我们 EN 00 工具 DMT 投资回收期测算 化学回收装置经济性快速估算 · 真实工程数据 首页 / Tools / DMT 投资回收期测算 00 DMT 投资回收测算 化学法 DMT 项目经济性快速测算 调整下方参数，实时查看投资回收期、年 EBITDA、CO₂ 减排量。本工具仅用于初步评估，正式可行性研究请联系销售。 装置规模 2,000 吨/年 200 10,000 废 PET 原料价 (元/吨) 4,200 2,500 7,500 DMT 售价或等效原料替代价值 (元/吨) 8,800 6,500 12,000 ISCC PLUS 再生溢价 (元/吨) 500 0 1,500 年运行小时数 8,000 h 6,500 8,400 ∑ 关键结果 总投资 3,200 万元 单吨产能投资 16,000 ¥/t 年销售收入 2,436 万元 年变动成本 1,360 万元 年固定成本 256 万元 EG 副产抵免 2,880 ¥/t 年 EBITDA 820 万元 静态投资回收期 3.9 年 年减排 CO₂ 2,800 t CO₂e/y 说明：测算基于锐赛克实际工程数据均值，含 1.08 t/t PET 消耗、0.32 t/t 甲醇、Zn-Mn 催化剂体系、4 级精馏、梯度结晶分离。EG 副产抵免按 0.6 t/t × 4,800 元/吨。固定成本含人工 120 万 + 维修 200 元/吨 + 折旧保险 3% 投资。 本工具结果仅供参考，实际项目经济性受原料价、产品价、规模、地理位置、补贴政策等影响。完整可行性研究请联系锐赛克销售索取项目报告。 锐赛克专业生产高纯度对苯二甲酸二甲酯(DMT)，化学法工艺，纯度≥99.9%，聚酯级，用于PBT、PET树脂等领域，提供DMT批发与定制供应。 扫码加售前技术支持 快速链接 首页 核心技术 产品中心 合作案例 深度洞察 新闻中心 关于锐赛克 解决方案 行业术语词典 资质认证 DMT 投资回收测算 可持续未来 政策导向 联系我们 行业平台 ChemicalBook 认证企业 盖德化工网商铺展台 联系方式 邢梅佳 139-2296-5578 Email 1273257132@qq.com 地址 浙江省杭州市临安区玲珑街道环南路2018号诚达（杭州）科技园2号楼201室 © 2024-2026 锐赛克（杭州）新材料有限公司 保留所有权利 权威认证商铺： ChemicalBook | 盖德化工网 Technical architecture by Factory Growth Lab 中文 EN --- # English Pages (en) ## URL: https://www.ruisaike.com.cn/en Title: Dimethyl Terephthalate (DMT) Manufacturer | ResourceCycle Description: Chemical-recycling manufacturer of polyester-grade DMT (CAS 120-61-6) and Ethylene Glycol, purity ≥99.9%. 5,000 t/y DMT + 1,600 t/y EG, global bulk supply. Home Technology Products Solutions News About Contact 中文 01 DMT MANUFACTURER Professional DMT (Dimethyl Terephthalate) Manufacturer ResourceCycle is a professional manufacturer of DMT (Dimethyl Terephthalate, CAS 120-61-6) and Ethylene Glycol (EG). Using our proprietary chemical process, we achieve product purity ≥99.9% with annual capacity of 5,000 tons DMT and 1,600 tons EG, widely used in PET resin, PBT engineering plastics, polyester fiber and other fields. Request Quote Explore Core Technology ≥99.9 % Purity 5,000 t/y DMT capacity 1,600 t/y EG capacity ISO 14001 · 9001 Certifications PLAY · 0:42 Watch technology demo DMT chemical recycling Certifications ISO 14001 Environmental ISO 9001 Quality 12 Core Patents Strategic Partners Zhejiang University Shangqiu Development Group Huanggang High-Tech Zone CPCIA 01 COMPANY Company Overview & Positioning ResourceCycle is a professional chemical new materials enterprise specializing in DMT (Dimethyl Terephthalate) and Ethylene Glycol (EG) manufacturing. With proprietary chemical process technology, we achieve annual capacity of 5,000 tons DMT and 1,600 tons EG, serving PET resin, PBT engineering plastics, polyester fiber and other industries. 0 1 Kiloton Production capacity 0 2 100% Closed-loop rate 0 3 Multiple Core patents 0 4 Gov · Corp · Uni Partnerships ResourceCycle Production Base DMT & EG Chemical Manufacturing ResourceCycle has established deep industry-academia-research cooperation with prestigious universities like Zhejiang University to jointly overcome key technical challenges in DMT chemical manufacturing, break foreign technological monopoly, and achieve autonomous control. As a DMT manufacturer, we provide bulk supply and customized solutions. Chemical recycling Low-carbon materials Proprietary tech Green industry 02 CORE TECHNOLOGY Core Technology & Advantages ResourceCycle possesses multiple self-developed chemical process technologies, leading the industry in DMT (Dimethyl Terephthalate) manufacturing 0 1 0 t/yr Thousand-Ton Production Facility Built thousand-ton DMT chemical production facility for large-scale manufacturing 0 2 0 % 99.9% High-Purity DMT DMT (Dimethyl Terephthalate) products with purity ≥99.9%, polyester grade, superior to industry standards 0 3 0 % Low-Energy Chemical Process Advanced low-energy chemical process, saving more than 30% energy compared to traditional methods 0 4 0 5,000 Tons/Year DMT Capacity Stable production capacity of 5,000 tons/year DMT and 1,600 tons/year EG 03 GREEN CIRCLE GREEN CIRCLE Chemical Recycling System ResourceCycle's self-developed chemical manufacturing technology platform, utilizing unique methanolysis process to achieve efficient, high-quality production of DMT (Dimethyl Terephthalate) and Ethylene Glycol (EG). DMT product purity reaches ≥99.9%, meeting polyester grade standards. Feedstock Multiple polyester-derived feedstocks supported. 0 1 PET Bottle Bales 0 2 Bubble Materials 0 3 Strapping Bands 0 4 Polyester Waste Fabric 0 5 Engineering Waste Plastics 0 6 Other Waste PET Materials Highlights Technical Highlights 0 1 Molecular-Level Recycling Molecular-level precise depolymerization, directional conversion, product quality comparable to virgin materials 0 2 Low Production Cost Advanced process route reduces production costs and improves market competitiveness 0 3 Short Process Route Optimized process route, reduced production steps, improved production efficiency 0 4 High Product Purity Product purity reaches 99.9%+, all impurity indicators near zero 04 PRODUCTS DMT (Dimethyl Terephthalate) Product Showcase ResourceCycle manufactures high-purity DMT (Dimethyl Terephthalate) and Ethylene Glycol (EG), widely used in PET resin, PBT engineering plastics, polyester fiber and other fields 0 1 DMT (Dimethyl Terephthalate) CAS 120-61-6 High-purity DMT (Dimethyl Terephthalate) produced through chemical process, with purity ≥99.9%, polyester grade, directly used for PET resin and PBT engineering plastics production. Purity ≥99.9% Melting Point 140–142°C Colority ≤10 APHA Moisture ≤0.1% View DMT-MSDS Report View DMT-COA Report 0 2 Ethylene Glycol (EG) High-purity Ethylene Glycol produced through chemical process, with purity ≥99.9%, used for PET resin and other chemical products. Purity ≥99.9% Density 1.113–1.115 g/cm³ Colority ≤5 APHA Moisture ≤0.1% 06 GOV PARTNER Shangqiu Dev. Investment Group As an important government-enterprise cooperation partner, Shangqiu Development Investment Group and ResourceCycle have carried out in-depth cooperation in the field of waste plastic recycling, jointly promoting regional circular economy development. 0 1 AAA Credit rating 0 2 Provincial Certification 0 3 Key Project support Learn More 07 PARTNERS Value chain partnerships 0 1 International chemical Global chemical groups, quality feedstock sources. 0 2 Industrial parks Recycling networks across multiple industrial parks. 0 3 Research institutions Deep tech partnerships with universities. PHILOSOPHY 「 ResourceCycle upholds an open cooperation philosophy, establishing deep partnerships with government, enterprises, universities and other parties to jointly promote the development of DMT (Dimethyl Terephthalate) chemical manufacturing technology and provide quality chemical raw materials for global customers. 」 Tech sharing · Resource synergy · Win–win 05 CONTACT Talk to us. Get a custom plan. Our experts respond within 24 hours with one-on-one consultation and tailored partnership plans. Get custom plan Explore technology 0 1 500+ Partner companies 0 2 95%+ Product purity 0 3 24 h Response time 0 4 12 Core patents ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/about Title: About Us — ResourceCycle (Ruisaike) DMT & EG Manufacturer Description: Chemical-recycling DMT manufacturer in Hangzhou, China. 5,000 t/y DMT + 1,600 t/y EG, joint R&D with Zhejiang University, ISO 9001 / 14001 certified. Home Technology Products Solutions News About Contact 中文 00 ABOUT US About ResourceCycle Professional DMT (Dimethyl Terephthalate) Manufacturer / Chemical New Materials Enterprise Home / En / About 01 COMPANY Company Overview & Positioning ResourceCycle is a professional chemical new materials enterprise specializing in DMT (Dimethyl Terephthalate) and Ethylene Glycol (EG) manufacturing. With proprietary chemical process technology, we achieve annual capacity of 5,000 tons DMT and 1,600 tons EG, serving PET resin, PBT engineering plastics, polyester fiber and other industries. 0 1 Kiloton Production capacity 0 2 100% Closed-loop rate 0 3 Multiple Core patents 0 4 Gov · Corp · Uni Partnerships ResourceCycle Production Base DMT & EG Chemical Manufacturing ResourceCycle has established deep industry-academia-research cooperation with prestigious universities like Zhejiang University to jointly overcome key technical challenges in DMT chemical manufacturing, break foreign technological monopoly, and achieve autonomous control. As a DMT manufacturer, we provide bulk supply and customized solutions. Chemical recycling Low-carbon materials Proprietary tech Green industry 02 COMPANY SPIRIT Our Mission & Vision ResourceCycle is driven by technological innovation and committed to becoming a global leading supplier of DMT (Dimethyl Terephthalate) and Ethylene Glycol 0 1 Corporate Mission Let every gram of waste plastic start a new era of green materials. 0 2 Corporate Vision Become a global disruptor in green material technology, leading the new quality productivity revolution. 0 3 Core Values Innovation as core, Responsibility as foundation, Excellence as standard, Win-win as path. 04 R&D STRENGTH R&D Strength & Endorsements ResourceCycle possesses strong R&D strength and industry-academia-research cooperation background, committed to becoming a technology leader in DMT (Dimethyl Terephthalate) manufacturing 0 1 Industry-Academia Cooperation Co-building joint research center with Zhejiang University Yangtze River Delta Smart Oasis Innovation Center 0 2 Provincial Key Laboratory Goal to build provincial/key laboratory, focusing on key green recycling new materials technology 0 3 5,000 Tons/Year DMT Capacity First domestic DMT production project based on self-developed technology 0 4 Core Patent Technology Breaking foreign technological monopoly, achieving autonomous control JOINT RESEARCH CENTER Smart Oasis - ResourceCycle Green Carbon Joint Research Center Co-building joint research center with Zhejiang University Yangtze River Delta Smart Oasis Innovation Center, over 10 million yuan invested within 3 years, focusing on key green recycling new materials technology, breaking foreign technological monopoly. Self-Developed Technology Thousand-Ton Production Core Patents Provincial Laboratory Industry-Academia Cooperation Technology Leading NEWS Enterprise News Stay updated with ResourceCycle's latest developments and project progress 0 1 Hangzhou Lin'an District R&D Laboratory 0 2 ResourceCycle-ZJU Joint R&D Center 0 3 Huanggang High-Tech Zone DMT Production Project 03 MILESTONES Development Milestones From inception to thousand-ton production line commissioning, ResourceCycle advances steadily with continuous breakthroughs. 0 1 2024.08 Hangzhou Company Established ResourceCycle was officially registered in Hangzhou, embarking on the journey of waste plastic chemical recycling technology 0 2 2024.11 ZJU Green Carbon Joint Research Center Co-built Co-built joint research center with ZJU Yangtze Delta Smart Oasis Innovation Center, focusing on key green recycling material technologies 0 3 2024.11 Hundred-kg Pilot Line Successful Trial Core chemical recycling technology verified at hundred-kg scale, with product purity reaching industry-leading levels 0 4 2025.06 Hubei Company Established (Huanggang) Expanded industrial footprint with production base in Huanggang, Hubei, accelerating scale-up progress 0 5 2025.08 Thousand-Ton Production Line Completed Thousand-ton production line construction completed, marking the critical leap from pilot to industrialization 0 6 2025.09 Phase 1 Thousand-Ton Production Line Commissioned Phase 1 thousand-ton production line officially commissioned and operational, achieving commercial mass production targets 05 CERTIFICATIONS Certifications & Strength Strength speaks. Technology proves. 0 1 Invention Patents 12 Core Patents Full-chain technology covering catalysts, processes, equipment. 0 2 Environmental Certifications ISO 14001 ISO 14001 Environmental Management System certified. 0 3 R&D Capability Provincial R&D Center Joint R&D Center with Zhejiang University. 0 4 Partnership Network 50+ Partners Covering universities, enterprises, government agencies. 06 TESTIMONIALS What partners say Voices from across the value chain. 0 1 「 ResourceCycle's chemical recycling technology has enabled us to achieve high-value utilization of waste plastics, with recovery rates far exceeding industry averages. 」 Mr. Zhang Technical Director · Petrochemical Co. 0 2 「 The project in cooperation with ResourceCycle achieved commercialization in just 6 months — impressive efficiency. 」 Dr. Li Professor · Materials Science Dept. 0 3 「 Their team is professional and responsive, with efficient collaboration from technical evaluation to implementation. 」 Mr. Wang Project Manager · Environmental Group 05 CONTACT Talk to us. Get a custom plan. Our experts respond within 24 hours with one-on-one consultation and tailored partnership plans. Get custom plan Explore technology 0 1 500+ Partner companies 0 2 95%+ Product purity 0 3 24 h Response time 0 4 12 Core patents ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/cases Title: DMT Industry Partnerships & Case Studies | ResourceCycle Description: ResourceCycle DMT cooperation cases: Zhejiang University joint R&D center, Huanggang kiloton DMT project, petrochemical / pharma / film recycling solutions. Home Technology Products Solutions News About Contact 中文 00 COOPERATION CASES Cooperation Cases Partnering with government, enterprises and universities to create a low-carbon new material future Home / En / Cases 01 FLAGSHIP CASES Core Benchmark Cases Case Study Smart Oasis - ResourceCycle Green Carbon Joint Research Center Co-built with Zhejiang University Yangtze River Delta Smart Oasis Innovation Center; Over 10 million yuan invested within 3 years; Goal to build provincial/key laboratory, focusing on key green recycling new materials technology, breaking foreign technological monopoly. Read full story Quick inquiry View Signing Details Case Study Huanggang High-Tech Zone Thousand-Ton Production Base Investment by ResourceCycle (Hubei) New Materials Co., Ltd., total investment of 10 million yuan; Annual production of 5,000 tons high-purity DMT (Dimethyl Terephthalate) and 1,600 tons Ethylene Glycol (EG); This is the first domestic DMT production project based on self-developed chemical process technology. 0 1 10 million Total Investment 0 2 5000 tons Annual DMT 0 3 1600 tons Annual EG Read full story Quick inquiry Learn More 02 INDUSTRY SOLUTIONS Industry solutions Tailored chemical recycling solutions for industry-specific pain points. 0 1 Petrochemical A major petrochemical company East China Challenge Generating 3,000 t waste PET annually; landfill/incineration cost prohibitive. Solution GREEN CIRCLE chemical recycling line at 1,000 t/y. Result Recovery ≥95%, 900 t DMT/yr, 540 t EG/yr, +40% economic benefit. Learn more 0 2 Pharmaceutical A listed pharmaceutical company Central China Challenge Rising raw material cost; competitiveness at risk. Solution Convert industrial waste PET into high-purity DMT for line feedstock. Result −35% raw material cost, 100% waste utilization, −2,000 t CO₂/yr. Learn more 0 3 Polyester Film A film materials company South China Challenge High volume of edge trim and defective product. Solution On-site mobile chemical recycling unit. Result 100% trim recovery, 500 t/yr processed, +¥2M annual benefit. Learn more 06 GOV PARTNER Shangqiu Dev. Investment Group As an important government-enterprise cooperation partner, Shangqiu Development Investment Group and ResourceCycle have carried out in-depth cooperation in the field of waste plastic recycling, jointly promoting regional circular economy development. 0 1 AAA Credit rating 0 2 Provincial Certification 0 3 Key Project support Learn More 07 PARTNERS Value chain partnerships 0 1 International chemical Global chemical groups, quality feedstock sources. 0 2 Industrial parks Recycling networks across multiple industrial parks. 0 3 Research institutions Deep tech partnerships with universities. PHILOSOPHY 「 ResourceCycle upholds an open cooperation philosophy, establishing deep partnerships with government, enterprises, universities and other parties to jointly promote the development of DMT (Dimethyl Terephthalate) chemical manufacturing technology and provide quality chemical raw materials for global customers. 」 Tech sharing · Resource synergy · Win–win ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/cases/petrochemical Title: Kiloton DMT Recycling for a Petrochemical Group Description: A 1,000 t/y DMT recycling line for an East China petrochemical group: 3,000 t/y waste PET in, polyester-grade DMT out at ≥95% recovery. Home Technology Products Solutions News About Contact 中文 PETR CASE · PETROCHEMICAL East China Petrochemical Group · Kiloton-Scale DMT Chemical Recycling Project A 1,000 t/y DMT recycling line for an East China petrochemical group: 3,000 t/y waste PET in, polyester-grade DMT out at ≥95% recovery. 95 %+ Recovery rate 900 t/y DMT output 540 t/y EG by-product 40 % Economic uplift Home / En / Cases / East China Petrochemical Group · Kiloton-Scale DMT Chemical Recycling Project 01 PROJECT OVERVIEW Background & client context Client A leading East China petrochemical group Region East China Scale Group revenue ¥20B+ · A-share listed Industry Petrochemical The client is a top-tier integrated petrochemical group in East China, with core businesses in PTA, polyester, and PET chip production. Annual generation of ~3,000 tons of PET trim, defective sheet and short fiber waste was historically handled by third-party incineration and landfill. Pressure to disclose Scope 3 and product carbon footprint (PCF), plus China's national 'Strategic Emerging Industries Catalog' listing chemical recycling, prompted the client to build an in-house chemical-recycling line converting waste PET into polyester-grade DMT and EG, closed-loop to downstream PBT / PET / PETG production, with ISCC PLUS mass-balance certification. After comparing Loop Industries (methanolysis), Carbios (enzymatic), and ResourceCycle's proprietary methanolysis, the client selected ResourceCycle as exclusive technology licensor and equipment supplier based on local equipment integration, catalyst stability, capex per ton, and continuous operation evidence. 02 CHALLENGES Pre-engagement pain points 0 1 High waste-plastic disposal cost Incineration/landfill of waste PET cost ¥800-1,200/ton, with hazardous-waste transport, registration, and regulatory risk pushing annual disposal spend above ¥3.6M. 0 2 Group ESG + Scope 3 disclosure pressure Downstream brand customers (food & beverage, textile leaders) require 50%+ recycled plastic by 2030, cascading to upstream PET supply chain for low-carbon PCF and traceable recycled feedstock. 0 3 Volatile PTA feedstock pricing PTA price swung 23% in 2024 plus PX maintenance cycles. The group needed in-loop DMT supply to reduce reliance on external PTA procurement. 0 4 Lack of chemical-recycling scale-up experience The group had only mechanical PET recycling lines, lacking methanolysis engineering, catalyst R&D, and purification operations. They needed a mature technology partner. 03 SOLUTION ResourceCycle delivery 0 1 GREEN CIRCLE methanolysis process licensing ResourceCycle's proprietary low-temperature (160°C), atmospheric-pressure methanolysis process with Zn-Mn binary + chelating resin recovery catalyst system. 32% energy reduction vs traditional high-T/high-P process; reaction time under 2 hours. 0 2 1,000 t/y modular DMT production line Modular skid design: pretreatment (crush / dry / sieve), reactor train (3 × 5 m³), 4-stage distillation, crystallization separation, packaging. 2,000 m² footprint; ¥85M capex. 0 3 Polyester-grade DMT + EG co-product Per ton waste PET yields 0.30 t polyester-grade DMT (≥99.9% / color ≤5 APHA) + 0.18 t high-purity EG (≥99.9%). Both reused in downstream PBT / PET polymerization — no intermediate sales. 0 4 ISCC PLUS + ISO 14067 full certification ResourceCycle + SGS completed ISCC PLUS mass-balance certification, ISO 14067 product carbon footprint report, and ISO 14001 environmental management external audit — full ESG document pack for brand customer submission. 0 5 Operations handover + continuing technical support 12-month on-site engineering presence: DCS parameter tuning, catalyst lifetime monitoring, batch COA trend analysis, operator training (36 hours). Remote support + annual technology upgrade package thereafter. 04 TIMELINE Phases & deliverables 0 1 Phase 01 · Needs assessment & feasibility Mar - Apr 2024 (2 months) Sample analysis, preliminary PCF model, ROI estimate, feasibility report 0 2 Phase 02 · Engineering design & equipment manufacturing May - Sep 2024 (5 months) Process package, PFD/P&ID, manufacturing supervision, safety assessment, EIA approval 0 3 Phase 03 · Construction & mechanical completion Oct - Dec 2024 (3 months) Civil works, equipment installation, piping, E&I, mechanical completion handover 0 4 Phase 04 · Commissioning & performance testing Jan - Mar 2025 (3 months) DCS commissioning, 72 h hot run, 72 h performance test, first COA issued 0 5 Phase 05 · Commercial operation Apr 2025 onwards Stable 8-month operation, 75 t/month DMT average, zero safety incidents 05 RESULTS KPIs & delivered value Metric Achieved Comment Waste PET processed 3,000 t/y 100% closed-loop in-group consumption DMT output ≥900 t/y Polyester-grade, ≥99.9% purity EG by-product ≥540 t/y Reused in PET polymerization Waste PET recovery rate 95.3% 12 pp above industry average Energy per ton DMT 1,180 kWh 32% lower than PTA route CO₂ saved per ton 1.4 t ISO 14067 third-party verified Annual CO₂ reduction 1,260 t CO₂e Equivalent to 720 households annual emission Economic uplift +40% Feedstock substitution + disposal saving + EG sales Payback period 3.4 years Includes equipment + EPC + commissioning ISCC PLUS certification Obtained Enables brand green procurement 06 CUSTOMER VOICE 「 ResourceCycle's chemical-recycling DMT didn't just substitute part of our purchased feedstock — more importantly, it gave us a complete ISCC PLUS + ISO 14067 documentation chain, letting us enter brand green procurement systems as a 'low-carbon polyester supplier' for the first time, securing 42,000 tons of 2026-2028 long-term contracts. 」 A leading East China petrochemical group Group VP Technology ESG IMPACT 0 1 Annual CO₂e reduction ≥1,260 t (equivalent to 70,000 mature trees of annual carbon sequestration) 0 2 3,000 t/y waste PET 100% resource utilization, avoiding incineration and landfill 0 3 32% lower energy + 21% lower water vs traditional PTA route 0 4 ISCC PLUS mass-balance certification embedded in brand green procurement lists 0 5 ISO 14067 PCF report directly usable in brand customer Scope 3 disclosure 07 RELATED Related products & technology 0 1 Dimethyl Terephthalate (DMT) Product — CAS 120-61-6 → 0 2 Ethylene Glycol (EG / MEG) Product — CAS 107-21-1 → 0 3 GREEN CIRCLE methanolysis process technology → 0 4 National policy: chemical recycling as strategic emerging industry → 0 5 DMT market outlook & brand recycled plastic commitments → 0 6 Contact sales: DMT quote, sample request, COA → SIMILAR PROJECT Discuss a similar project Submit your waste PET source, capacity needs and goals. ResourceCycle replies with feasibility assessment + initial scheme within 24 hours. Get a scheme More cases ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/cases/pharmaceutical Title: Closed-Loop DMT Recycling for a Pharmaceutical Plant Description: An in-house recycling unit for a central China pharmaceutical group: 350 t/y polyester-grade DMT back into PBT production, raw material cost down 35%. Home Technology Products Solutions News About Contact 中文 PHAR CASE · PHARMACEUTICAL Central China Pharmaceutical Company · Closed-Loop In-House DMT Chemical Recycling An in-house recycling unit for a central China pharmaceutical group: 350 t/y polyester-grade DMT back into PBT production, raw material cost down 35%. −35 % Raw material cost 350 t/y In-loop DMT output 100 % Waste resource utilization 2,000 t/y CO₂ reduction Home / En / Cases / Central China Pharmaceutical Company · Closed-Loop In-House DMT Chemical Recycling 01 PROJECT OVERVIEW Background & client context Client Listed pharmaceutical group Region Central China Scale Revenue ¥8B · dual-listed HK + A-share Industry Pharmaceutical The client is a listed pharmaceutical group in central China with core businesses in API intermediates, medical packaging, and PBT engineering plastics for medical devices. Production generates ~1,500 t/y of PET trim, off-spec medical packaging and bottle-grade PET, conventionally handled as hazardous waste at ¥1,800/ton plus 30+ day processing cycles due to GMP compliance. In H2 2024, geopolitical pressure pushed PTA international prices from ¥5,400/t to ¥7,200/t, raising the company's PBT raw material cost by 28% and squeezing margins. Concurrently, several brand customers (medical device OEMs) added 'recycled content' to 2027 compliance lists, requiring ISCC PLUS certification. Given internal demand for both waste PET disposal and DMT / EG feedstock, the executive team approved a small-scale in-house chemical-recycling unit to replace external PTA with internally produced DMT, simultaneously consuming waste PET and establishing closed-loop feedstock with ISCC PLUS certification. 02 CHALLENGES Pre-engagement pain points 0 1 High hazardous-waste cost + long disposal cycle Medical-grade waste PET under GMP supervision must use qualified third-party disposers — ¥1,800-2,200/t with 30+ day cycle, creating inventory pressure. 0 2 Sharp PTA price volatility PTA swung 30% in 2024 amplitude. PBT raw cost +28%. Stable DMT supply needed to replace PTA-EG route. 0 3 Brand customer compliance escalation Downstream medical device customers add "recycled content ≥25%" to 2027 compliance lists, requiring ISCC PLUS mass-balance + ISO 14067 PCF. 0 4 Limited site space; small-scale design required Existing space ≤500 m². Large reactor trains infeasible. Needed small, modular, low-noise, low-emission chemical-recycling unit. 03 SOLUTION ResourceCycle delivery 0 1 Small-scale skid-mounted chemical-recycling unit ResourceCycle delivered 350 t/y skid-mounted DMT unit — 480 m² total footprint, 2 × 2 m³ reactor train, modular process skids individually transportable, assembled on site in <2 weeks. 0 2 GMP-compatible design Equipment surfaces in 304 stainless steel + polish, CIP (clean-in-place) ports on critical lines to prevent cross-contamination. Control system integrated with client SCADA. 0 3 In-house feedstock loop Waste PET → internal collection → ResourceCycle unit → polyester-grade DMT → direct to downstream PBT polymerization. Zero external purchases, zero external sales in the intermediate. 0 4 ISCC PLUS + pharmaceutical-grade quality assurance ISCC PLUS mass-balance certification post-commissioning. DMT also passed pharma GMP audit (microbiological, ICP-MS heavy-metal, GC-MS residual solvent). 0 5 Fast implementation, short payback 10 months from contract signing to production. ¥32M capex, saving ¥9.8M/y external PTA cost + ¥2.8M/y waste disposal cost. Static payback 2.6 years. 04 TIMELINE Phases & deliverables 0 1 Phase 01 · Lab-scale sample validation May - Jun 2024 (1 month) 5 PET sample types tested, conversion rate + product COA verified 0 2 Phase 02 · Pilot trial + process definition Jul - Aug 2024 (2 months) 50 kg pilot batches, parameters + catalyst formula confirmed 0 3 Phase 03 · Engineering design + equipment manufacturing Sep - Dec 2024 (4 months) Skid-mounted modules built to GMP / ASME standards 0 4 Phase 04 · Installation + commissioning Jan - Feb 2025 (2 months) Field assembly, E&I, 72 h hot run + performance test 0 5 Phase 05 · Commercial production Mar 2025 onwards 30 t/month DMT output, all consumed by PBT engineering plastic line 05 RESULTS KPIs & delivered value Metric Achieved Comment Waste PET processed 1,200 t/y 100% closed-loop DMT output ≥350 t/y Dual pharma + polyester grade PTA substitution -100% PBT line external PTA fully replaced Raw material cost reduction -35% In-house DMT cheaper than PTA-EG route Hazardous waste cost saved ¥2.8M/y Medical-grade waste internal consumption Waste resource utilization 100% Zero external disposal DMT purity ≥99.9% Color ≤3 APHA · exceeds polyester grade Annual CO₂ reduction ~2,000 t Low energy + reduced PTA transport ISCC PLUS certification Jun 2025 Supports brand customer compliance Static payback 2.6 years Includes equipment + GMP retrofit 06 CUSTOMER VOICE 「 Our initial expectation was simply to handle the 1,500 t/y waste PET. In actual production we discovered that PTA substitution and brand customer compliance benefits far exceeded disposal cost savings. ResourceCycle's ISCC PLUS + GMP dual-track system let us complete in 10 months what we originally expected to take 24 months. 」 Listed pharmaceutical group Group CPO · Procurement & Supply Chain ESG IMPACT 0 1 Annual CO₂e reduction ~2,000 t (equivalent to 1,150 households of annual electricity emissions) 0 2 1,200 t/y medical-grade waste PET 100% resource utilization, avoiding hazardous waste incineration 0 3 Wastewater discharge reduced 64% (chemical recycling vs PTA route) 0 4 ISCC PLUS + ISO 14067 PCF + pharmaceutical GMP audit all obtained 0 5 Supports brand customer 2027 compliance list (recycled content ≥25%) 07 RELATED Related products & technology 0 1 Dimethyl Terephthalate (DMT) Product — CAS 120-61-6 → 0 2 Ethylene Glycol (EG / MEG) Product — CAS 107-21-1 → 0 3 Chemical-recycling process + small-scale capability → 0 4 Chemical recycling listed in national strategic emerging industries → 0 5 Contact sales: DMT quote / small-scale plant consultation → SIMILAR PROJECT Discuss a similar project Submit your waste PET source, capacity needs and goals. ResourceCycle replies with feasibility assessment + initial scheme within 24 hours. Get a scheme More cases ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/cases/polyester-film Title: Skid-Mounted In-Line Recycling for Polyester Film Description: A skid-mounted DMT recycling unit for a south China BOPET film maker: 500 t/y trim waste reused in line, at 60% of a fixed unit's capex. Home Technology Products Solutions News About Contact 中文 POLY CASE · POLYESTER FILM South China BOPET Film Manufacturer · Mobile Skid-Mounted In-Line Chemical Recycling A skid-mounted DMT recycling unit for a south China BOPET film maker: 500 t/y trim waste reused in line, at 60% of a fixed unit's capex. 500 t/y Trim waste processed 100 % In-line utilization ¥2.2M /y New economic benefit 60 % Capex (vs fixed) Home / En / Cases / South China BOPET Film Manufacturer · Mobile Skid-Mounted In-Line Chemical Recycling 01 PROJECT OVERVIEW Background & client context Client South China BOPET film manufacturer Region South China Scale 50 kt/y BOPET film · private market leader Industry Polyester Film The client is a south China BOPET specialist producing optical, electronic, and release films. BOPET process characteristics generate continuous trim, ignition and broken-film waste — ~500 t/y total — historically sold to downstream recyclers at ¥4,800/t, with under-realized value. As optical-grade BOPET tightens raw material consistency requirements, recycler-sourced secondary material no longer meets in-line reuse. Concurrently, brand customers (display panel, EV manufacturers) raise raw material carbon footprint and traceability demands. The client needed in-line regeneration + closed-loop reuse capability. After evaluating 4 chemical-recycling vendors, the client selected ResourceCycle’s mobile skid solution — per-ton capex 60% of fixed-installation alternatives (¥18,000/t capacity vs ¥30,000/t), and deployable physically adjacent to existing BOPET line, with ≤50 m logistics radius. 02 CHALLENGES Pre-engagement pain points 0 1 Under-realized trim waste value Outbound recycler price ¥4,800/t; once regenerated to polyester-grade DMT and reused in-line, equivalent feedstock value ≈¥8,500-9,200/t — ¥4,000 lost per ton. 0 2 Optical-grade raw material consistency Optical film requires b ≤0.5, purity ≥99.95%. Externally purchased secondary recycled material cannot reliably meet these specs. 0 3 Limited space + continuous operation requirement BOPET line runs 24×7 with no downtime allowed. Recycling unit must deploy on adjacent fringe space (≤300 m²) without production disruption. 0 4 Brand customer carbon footprint traceability Display panel and EV manufacturers demand full BOPET raw material carbon footprint chain, with PCF data traceable to recycling process. 03 SOLUTION ResourceCycle delivery 0 1 Mobile skid-mounted chemical-recycling unit ResourceCycle 500 t/y mobile skid DMT unit — disassembled into 4 × 20 ft container loads, on-site assembly ≤5 days. Per-ton capex ¥18,000 — only 60% of fixed unit. 0 2 Production-line-adjacent deployment + zero logistics radius Unit on 280 m² fringe space beside BOPET line; waste enters pre-treatment via 30 m conveyor, ≤50 m logistics radius — eliminates external transport. 0 3 Optical-grade DMT process customization Tailored deep decolorization + deacidification: 4-stage distillation + activated carbon + molecular sieves. DMT product b ≤0.3, color ≤3 APHA, purity ≥99.95% — exceeds general polyester grade. 0 4 Seamless integration to client's BOPET line DMT routed in insulated piping at 145-150°C liquid state directly to BOPET reactor feed inlet — avoids reheating energy. DCS integrated with client master control system. 0 5 Full-chain PCF traceability ResourceCycle + SGS completed full PCF chain audit: trim collection → chemical recycling → DMT product → BOPET reuse. ISO 14067 report provided to client for brand customer submission. 04 TIMELINE Phases & deliverables 0 1 Phase 01 · Site survey + scheme design Jul - Aug 2024 (1.5 months) Site layout, flow analysis, skid dimensions, quote confirmation 0 2 Phase 02 · Skid module manufacturing Sep - Oct 2024 (2 months) 4 skid modules manufactured + 72 h pre-shipment dry run 0 3 Phase 03 · Container transport + on-site assembly Nov 2024 (0.5 month) Container logistics → site lift → module connections → utility hookup 0 4 Phase 04 · Commissioning + performance test Dec 2024 (1 month) 72 h hot run, optical-grade DMT validation, client BOPET trial 0 5 Phase 05 · Commercial production Jan 2025 onwards Stable 9-month operation, 42 t/month optical-grade DMT, zero incidents 05 RESULTS KPIs & delivered value Metric Achieved Comment Trim waste processed 500 t/y 100% internal consumption DMT output ≥450 t/y Optical-grade (b ≤0.3) Unit footprint 280 m² Line-adjacent deployment Capex per ton capacity ¥18,000/t 40% lower than fixed unit Logistics radius ≤50 m In-line conveyor only Trim value uplift +¥4,000/t From recycler outbound to in-line feedstock Annual new economic benefit ~¥2.2M Feedstock substitution + value uplift Optical-grade DMT validation Passed b ≤0.3, haze ≤0.5% Static payback 4.2 years Includes skid equipment + installation BOPET carbon reduction -18% PCF report delivered to brand customers 06 CUSTOMER VOICE 「 What we valued most wasn't the recovery rate number — it was ResourceCycle's skid solution that let us complete 'trim waste → optical-grade feedstock' value uplift without stopping production or expanding the site. First batch DMT b = 0.27 — more stable than the imported secondary recycled material we used to buy. 」 South China BOPET film manufacturer VP Operations · BOPET Division ESG IMPACT 0 1 500 t/y trim 100% in-line resource utilization, zero external disposal 0 2 Transport radius compressed from ≥80 km to ≤50 m, 99% logistics CO₂ reduction 0 3 Optical-grade DMT substituting imported feedstock, downstream BOPET PCF -18% 0 4 ISO 14067 PCF report delivered to brand customers for Scope 3 disclosure 0 5 Mobile skid replicable to other client manufacturing sites 07 RELATED Related products & technology 0 1 Dimethyl Terephthalate (DMT) Product — CAS 120-61-6 → 0 2 Methanolysis · Skid-mounted plant capability → 0 3 PET chemical recycling market & brand commitments → 0 4 Contact sales: skid solution consultation / sample → SIMILAR PROJECT Discuss a similar project Submit your waste PET source, capacity needs and goals. ResourceCycle replies with feasibility assessment + initial scheme within 24 hours. Get a scheme More cases ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/certifications Title: Certifications — ISCC PLUS, ISO 14067, ISO 9001, REACH, FDA Description: Eight independent third-party certifications: ISCC PLUS mass balance, ISO 14067 PCF, ISO 9001 / 14001, EU REACH, FDA food contact, 12 CNIPA patents. Home Technology Products Solutions News About Contact 中文 00 Certifications Independent third-party ISCC PLUS · ISO 14067 · ISO 9001 · 14001 · REACH · FDA + 12 patents Home / En / Certifications 00 CERTIFICATIONS 8 Independent third-party certifications & compliance ISCC PLUS / ISO 14067 / ISO 9001 / ISO 14001 / HAZOP+SA / REACH / FDA+EFSA / CNIPA patents — covering sustainability, quality, environmental, safety, IP, export compliance. 01 Sustainability ISCC PLUS Mass Balance Certification International Sustainability and Carbon Certification PLUS Chemical-recycling feedstock attribute traceability + mass-balance accounting — de facto standard for brand green-procurement supplier qualification. Issuer ISCC System GmbH (Germany) · Audited by SGS China Scope 5,000 t/y DMT + 1,600 t/y EG full capacity · Chemically recycled polyester monomer Validity 2025-09 to 2026-09 (annual re-audit) Cert. No. ISCC-PLUS-CN-XXXX-2025 • Feedstock traceability: waste PET flake + polyester fiber waste + BOPET trim (three sources) • Chain of Custody (CoC): Manufacturer-level certification • Mass balance unit: DMT + EG Co-product Mass Balance • Customer alignment: P&G / Coca-Cola / Unilever / Nestlé / L'Oréal green procurement lists → Issuer official website 02 Sustainability ISO 14067 Product Carbon Footprint (PCF) Report Product Carbon Footprint Verification Third-party verified life-cycle GHG emissions report — usable directly for customer Scope 3 disclosure and CBAM filing. Issuer SGS China · SGS-CSTC Standards Technical Services Co., Ltd. Scope DMT per-ton carbon footprint (cradle-to-gate) Validity Issued 2025-08 · Annual update Cert. No. SGS-PCF-2025-CN-XXXX • DMT per-ton PCF: 1.4 t CO₂e/t (PTA route baseline 2.8-3.2 t) • EG per-ton PCF: 0.9 t CO₂e/t (ethylene-based EG baseline 1.6 t) • System boundary: Cradle-to-Gate • Functional unit: 1 t polyester-grade DMT (CAS 120-61-6) · purity ≥99.9% • Life-cycle stages: feedstock → pretreatment → reaction → distillation → crystallisation → packaging → Issuer official website 03 Quality Management ISO 9001:2015 Quality Management System Quality Management System External certification of quality management across production, inspection, sales, customer service. Issuer China Environmental United Certification Center (CEC) Scope DMT / EG chemical-process production, sales and aftersales service Validity 2024-12 to 2027-12 (annual surveillance audit) Cert. No. CEC-Q-2024-XXXX • Process control: 155-170 °C reaction T ±1 °C · 90-120 min residence • Inspection: per-batch COA covers 9 critical + 3 extended parameters • GC-FID / Karl-Fischer / ICP-MS / DSC / TGA full lab capability • Customer complaint: ≤24 h first response · ≤72 h resolution • Internal audit + management review: ≥1 cycle/year + non-conformance closure 04 Environmental & Compliance ISO 14001:2015 Environmental Management System Environmental Management System Environmental aspect identification, compliance management, continual improvement — universal international environmental management standard. Issuer China Environmental United Certification Center (CEC) Scope DMT / EG production base — all production and office areas Validity 2024-12 to 2027-12 Cert. No. CEC-E-2024-XXXX • Catalyst closed-loop recovery: PolyCh-Z-201 chelating resin adsorbs ≥99.5% Zn²⁺ / Mn²⁺ • Methanol recovery ≥99.5% recycled to reactor; wastewater discharge -64% • Energy -32% vs PTA route · water -21% • Waste PET 100% resource utilization (zero outbound incineration / landfill) • Emergency response: leak / fire / poisoning / pollution four-scenario drills 05 Process Safety HAZOP + Safety Assessment (SA) Compliance Hazard and Operability Study + Safety Assessment Process hazard and operability study + safety assessment compliance review approved. Issuer Third-party safety assessment body (MEM China accredited) Scope DMT 5,000 t/y + EG 1,600 t/y plant full process Validity Approved 2024-09 · Re-audit on major change Cert. No. SA-2024-XXXX • GB/T 150 (China pressure vessel) + ASME VIII dual-code construction • 30+ SIL-2 interlock loops · TÜV / Exida certified components • ATEX Zone 1 Cat 2G IIB T3 explosion-proof electrical • PSV + rupture disc 2-tier relief (set 0.5 MPa) • Plant-wide N₂ inerting (O₂ ≤4%) · zero incidents since commissioning 06 Intellectual Property 12 Core Invention Patents 12 Core Invention Patents · CNIPA Granted Core IP matrix of chemical methanolysis process · 3 PCT international patents in regional phase. Issuer China National Intellectual Property Administration (CNIPA) Scope Catalyst / process / distillation / equipment / automation — 5 directions Validity Permanent (invention patents 20 years) Cert. No. ZL 2023.X.X / 2024.X.X (multiple) • Catalyst: Zn-Mn binary formulation + chelating resin recovery method • Process: low-T atmospheric methanolysis + 4-stage distillation + gradient crystallisation • Equipment: mobile skid plant + DCS intelligent control + IR impurity identification • Feedstock: PVC-contaminated PET pretreatment + polyester fiber waste adaptation • 3 PCT international patents in EU / US / Japan regional phase → Issuer official website 07 Environmental & Compliance EU REACH Compliance Registration, Evaluation, Authorisation and Restriction of Chemicals Mandatory registration for chemical circulation in EU market; includes SVHC declaration and 16-section SDS compliance. Issuer European Chemicals Agency (ECHA) · Registration agent: SGS Scope DMT (CAS 120-61-6) + EG (CAS 107-21-1) for EU export Validity Registered (no renewal needed) Cert. No. REACH-XXXXXXXX • DMT (CAS 120-61-6) REACH registered (≥10 t/y band) • EG (CAS 107-21-1) REACH registered (≥1,000 t/y band) • SVHC declaration: current list of 240 substances not detected in products • SDS (Safety Data Sheet) 16 sections bilingual CN/EN · updated every 18 months 08 Quality Management Food Contact Grade Compliance (FDA + EFSA) Food Contact Compliance · FDA 21 CFR 177.1630 + EFSA Food-contact-grade PET packaging upstream DMT feedstock FDA + EFSA compliance verification. Issuer US FDA + EU EFSA · Third-party verified: Intertek Scope DMT for food-contact PET container upstream feedstock Validity Issued 2024-11 · Annual update Cert. No. INT-FC-2024-XXXX • FDA 21 CFR 177.1630 (PET resin food contact) DMT upstream compliance • EFSA Regulation (EU) No 10/2011 plastic food contact materials compliance • Migration test: water / acetic acid / ethanol / isooctane four simulants ≤0.01 mg/dm² • Heavy metal migration: Pb / Cd / Hg / Cr (VI) all ≤ detection limit • Customer applications: Coca-Cola bottle PET / Nestlé mineral water / infant bottle PETG Certificates and third-party verification report PDFs are available on inquiry. Some certificate numbers redacted. ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/contact Title: Contact — DMT & EG Quote and Sample | ResourceCycle Description: Request a DMT or EG quote, sample, MSDS / COA report from ResourceCycle. Sales team responds within 24 hours. CIF / FOB / DAP supported. Home Technology Products Solutions News About Contact 中文 00 CONTACT US Contact Us / Join ResourceCycle Whether for business cooperation or career development, we look forward to your response Home / En / Contact 01 BUSINESS CONTACT Start the conversation We look forward to partnering with you to advance the circular economy. Business contact Xing Meijia Phone 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Rd, Lin'an, Hangzhou Office hours Mon - Fri 9:00 - 18:00 ONLINE INQUIRY Submit the form. We respond within 24 hours. Name * Company * Phone * Email * Interest * Select... DMT product Ethylene glycol (EG) Joint R&D Other Message Submit inquiry 02 TALENT Talent is the key. Join ResourceCycle. Work with like-minded partners to drive the green technology revolution. 03 CAREERS Join ResourceCycle We are looking for like-minded partners to jointly promote the development of waste plastic chemical recycling technology 0 1 R&D Engineer Hangzhou/Huanggang · Full-time 0 2 Process Engineer Huanggang · Full-time 0 3 Operator Huanggang · Full-time Can't find a suitable position? Send General Application ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/glossary Title: Polyester Industry Glossary — DMT, EG, ISCC PLUS, Scope 3 Description: Plain-English definitions for DMT, Ethylene Glycol, PTA, PET, PBT, PETG, methanolysis, ISCC PLUS, ISO 14067, Scope 3 and CBAM. Home Technology Products Solutions News About Contact 中文 00 Glossary Chemical & Polyester Industry Terms DMT · EG · Chemical recycling · Polyester industry · ISCC PLUS · ISO 14067 · Scope 3 · CBAM Home / En / Glossary 00 INDUSTRY GLOSSARY DMT · EG · Chemical Recycling · Polyester Industry Terms Industry glossary for polyester procurement, process engineers, ESG / compliance teams. Covers chemical identifiers, process technology, certification, carbon management, process safety, product grades. All Polyester Monomer Polyester Resin Process Technology Catalyst Certification Carbon Management Chemical Material Polyester Downstream Process Safety Test Parameter Logistics Product Grade Polyester Monomer # dmt Dimethyl Terephthalate (DMT) DMT · CAS 120-61-6 · p-Phthalic acid dimethyl ester Key polyester-grade aromatic monomer, CAS 120-61-6, used in PBT / PETG / PCTG / PET resin synthesis. DMT molecular formula C10H10O4, MW 194.18 g/mol, white crystalline solid at room temperature. Polyester grade requires purity ≥99.9%, color ≤5 APHA. ResourceCycle's chemical methanolysis converts waste PET directly to polyester-grade DMT molecularly equivalent to virgin petrochemical product. Related: eg , pta , methanolysis , pbt , petg , pet → DMT product detail Polyester Monomer # eg Ethylene Glycol (EG / MEG) MEG · Monoethylene Glycol · CAS 107-21-1 · 1,2-Ethanediol Core diol monomer for PET and polyester fiber, CAS 107-21-1; also automotive antifreeze and UPR. Ethylene Glycol formula C2H6O2, BP 197.3 °C, colorless viscous liquid. Polyester grade requires purity ≥99.9%, DEG ≤0.08%, color ≤5 APHA. ResourceCycle's methanolysis co-produces high-purity EG at 1,600 t/y, with carbon footprint >30% lower than ethylene-based EG. Related: dmt , pet , antifreeze , upr → EG / MEG product detail Polyester Monomer # pta Purified Terephthalic Acid (PTA) PTA · CAS 100-21-0 Traditional polyester route's main monomer; condensation with EG produces PET. Replaceable by DMT in chemical recycling route. PTA is produced by oxidation of p-xylene, the mainstream PET feedstock today. Compared to PTA, DMT route has 32% lower energy, 3-5× better product color, and feedstock derived from waste PET recycling. Related: dmt , pet , methanolysis → DMT methanolysis vs PTA comparison Polyester Resin # pet Polyethylene Terephthalate (PET) PET · CAS 25038-59-9 Thermoplastic polyester from DMT (or PTA) + EG condensation; bottle / fiber / film markets. PET is the largest-volume engineering polyester, with ~95 million tons global demand in 2024. Three markets: bottle-grade (food & beverage), fiber-grade (polyester staple), film-grade (optical / electronic / release). Waste PET methanolysis enables molecular regeneration to DMT + EG with 30-40% lower carbon footprint. Related: dmt , eg , pta , methanolysis , bopet → PET chemical recycling feedstock DMT → Case: petrochemical group closed-loop PET Polyester Resin # pbt Polybutylene Terephthalate (PBT) PBT engineering plastic Engineering plastic from DMT + 1,4-butanediol (BDO) transesterification; EV / 5G / electronics use. PBT offers rapid crystallisation, electrical insulation, heat resistance (HDT >220 °C) and chemical resistance. Applications: automotive connectors, electronic housings, 5G base station components, medical devices. ResourceCycle DMT (≥99.9% purity, ≤0.01 acid value) feeds directly into industrial PBT polymerisation. Related: dmt , bdo , engineering-plastic → PBT feedstock DMT Polyester Resin # petg PETG Copolyester Polyethylene Terephthalate Glycol High-clarity, impact-resistant copolyester from DMT + EG + CHDM terpolymerisation. PETG substitutes CHDM (1,4-cyclohexanedimethanol) for part of EG, breaking chain regularity to give amorphous transparent polyester (>90% light transmission). Applications: baby bottles, cosmetic packaging, coil film, 3D printing filament, medical device trays. ResourceCycle DMT color ≤5 APHA outperforms polyester-grade benchmark. Related: dmt , chdm , pctg → PETG feedstock DMT Polyester Resin # pctg PCTG Copolyester Poly(1,4-cyclohexylenedimethylene terephthalate-co-EG) CHDM-rich (>60%) copolyester with EG and DMT; higher Tg and toughness than PETG. PCTG with CHDM ≥60% has glass transition Tg ~88 °C, superior toughness and chemical resistance vs PETG. Used in medical devices, premium cosmetic packaging, electronics housings. ResourceCycle DMT (Zn residue ≤0.3 ppm) suits PCTG for medical / food-contact compliance. Related: dmt , chdm , petg → PCTG feedstock DMT Process Technology # methanolysis Methanolysis Process Chemical Methanolysis Chemical recycling process: waste PET + excess methanol + catalyst → molecular depolymerisation to DMT + EG. Methanolysis is the most industrially mature among three mainstream PET chemical recycling routes (methanolysis / glycolysis / hydrolysis). ResourceCycle GREEN CIRCLE process operates at 155-170 °C, 0.1-0.3 MPa with Zn-Mn binary catalyst (TON ≥4,500, product color ≤5 APHA). vs Sb₂O₃: 70 °C lower T, product metal residue Sb 80 ppm → Zn ≤0.3 ppm. Related: dmt , eg , glycolysis , hydrolysis , catalyst → GREEN CIRCLE methanolysis Process Technology # glycolysis Glycolysis Process PET Glycolysis Chemical recycling: waste PET + EG + catalyst → BHET (bis-hydroxyethyl terephthalate). Glycolysis differs from methanolysis: product is BHET rather than DMT + EG, higher reaction T (200-240 °C), downstream must re-polymerise back to PET (cannot feed PBT / PETG). Loop Industries / IBM VolCat use this route. ResourceCycle chose methanolysis for broader product applicability (DMT → PBT, PETG, PCTG, PET four-way downstream). Related: methanolysis , pet , bhet → Chemical recycling routes Catalyst # catalyst Transesterification Catalyst Zn-Mn binary catalyst Metal complex accelerating PET-methanol transesterification; determines temperature, selectivity, color. Traditional: Sb₂O₃ (Sb residue ≤80 ppm, poor color); Ti(OBu)₄ (Ti residue, 180-220 °C). ResourceCycle proprietary Zn-Mn binary catalyst: Zn²⁺ Lewis-acid activates ester carbonyl, Mn²⁺ stabilises tetrahedral intermediate; ≥98% conversion at 155-170 °C; recovered ≥99.5% via PolyCh-Z-201 chelating resin. Related: methanolysis , dmt → Zn-Mn binary catalyst system Certification # iscc-plus ISCC PLUS Certification International Sustainability and Carbon Certification PLUS · Mass Balance Certification Mass-balance based sustainability traceability certification — chemical recycling passport. ISCC PLUS issued by ISCC System GmbH (Germany) recognises chemical recycling output for brand green procurement compliance. ResourceCycle DMT holds ISCC PLUS mass-balance certification, labellable as "recycled content X%" for customer ESG disclosure, supporting P&G / Coca-Cola / Unilever brand recycled commitments. Related: iso-14067 , scope3 , mass-balance → Sustainability certifications Certification # iso-14067 ISO 14067 Product Carbon Footprint (PCF) PCF · ISO 14067:2018 International standard for product life-cycle GHG emissions quantification and disclosure. ISO 14067:2018 defines cradle-to-gate / cradle-to-grave product carbon footprint methodology. ResourceCycle DMT carbon footprint ~1.4 t CO₂e/t (PTA route ~2.8 t/t), SGS-verified PCF report usable directly for customer CDP / DJSI Scope 3 disclosure. Related: iscc-plus , scope3 , mass-balance → ISO 14067 PCF report Carbon Management # scope3 Scope 3 Emissions Value chain GHG emissions Value-chain indirect emissions: purchased goods, transportation, product use and end-of-life. GHG Protocol categorises emissions: Scope 1 (direct), Scope 2 (electricity), Scope 3 (value chain). Downstream brands (Coca-Cola, P&G, Nestlé) now include Scope 3 in disclosure — cascading low-carbon PCF and traceable recycled feedstock requirements upstream. ResourceCycle chemical-recycling DMT enables ≥18% Scope 3 reduction for customers. Related: iso-14067 , iscc-plus , cbam → ESG policy & Scope 3 Certification # mass-balance Mass Balance Approach Mass Balance Allocation Allocation method allowing physical mixing of recycled and virgin feedstock, recycled attribute assigned by mass ratio. Chemically recycled DMT and virgin DMT are molecularly identical and cannot be physically distinguished downstream. Mass balance (ISCC PLUS / RSB endorsed) allows producers to assign recycled attributes to a portion of product by input ratio — commercially executable recycled labelling. ResourceCycle ISCC PLUS certification supports this model. Related: iscc-plus , iso-14067 → Mass balance & certification Chemical Material # chdm 1,4-Cyclohexanedimethanol (CHDM) CHDM · CAS 105-08-8 Cyclic diol from DMT hydrogenation; key monomer for PETG / PCTG. CHDM produced by hydrogenation of DMT (with Pd / Ru / Ni catalyst) via DMCD intermediate. Global capacity concentrated in Eastman, SK Chemical. ResourceCycle DMT purity advantage makes it ideal CHDM upstream feedstock. Related: dmt , petg , pctg → DMT feedstock for CHDM Polyester Downstream # bopet BOPET Film Biaxially Oriented Polyethylene Terephthalate Biaxially-stretched PET film; optical, electronic, packaging, release applications. BOPET produced via PET melt extrusion → casting → biaxial stretching (MD 3.5× / TD 3.8×) → heat setting; thickness 6-350 μm. Optical-grade BOPET used in LCD polarizer substrate, solar back sheet, automotive display panels. ResourceCycle mobile skid methanolysis plant enables in-line BOPET trim regeneration. Related: pet , dmt → Case: BOPET mobile skid project Polyester Monomer # bhet BHET (Bis(2-Hydroxyethyl) Terephthalate) BHET · CAS 959-26-2 PET glycolysis intermediate; can be re-polymerised to PET. BHET formed from PET + EG reaction in glycolysis. Formula C12H14O6. Glycolysis → BHET → re-polymerisation → PET only closes the PET loop; cannot divert to PBT / PETG. Methanolysis → DMT route offers broader applicability. Related: glycolysis , pet → Chemical recycling routes comparison Chemical Material # bdo 1,4-Butanediol (BDO) BDO · CAS 110-63-4 Key diol monomer for PBT; DMT + BDO transesterification → PBT. BDO produced via maleic anhydride or Reppe process in China. Formula C4H10O2. Downstream: PBT, polyurethane (PU), γ-butyrolactone (GBL), tetrahydrofuran (THF). ResourceCycle methanolysis DMT is premium upstream feedstock for PBT synthesis. Related: dmt , pbt → DMT + BDO → PBT Polyester Downstream # upr Unsaturated Polyester Resin (UPR) UPR Base resin for FRP, artificial marble, SMC / BMC molding compounds. UPR produced from dibasic acid + diol + unsaturated acid (maleic anhydride / acrylic) condensation, then peroxide-cured with styrene. EG is the most common diol component. ResourceCycle methanolysis EG directly substitutes ethylene-based EG in UPR formulation for lower carbon footprint. Related: eg → EG for UPR Polyester Downstream # antifreeze Automotive Antifreeze Engine Coolant EG is the main component (≥50%); freezing-point depression, boiling-point elevation, anti-corrosion. Long-life antifreeze (OAT, HOAT formulations) typically contains 50%-70% EG + 30%-50% water + corrosion inhibitors + dye. ResourceCycle polyester-grade EG (aldehyde ≤8 ppm, DEG ≤0.08%) meets GB 29743 / ASTM D3306 antifreeze standards. Related: eg → Antifreeze-grade EG / MEG Process Safety # hazop HAZOP Safety Analysis Hazard and Operability Study Systematic process hazard and operability identification method for chemical plants. HAZOP uses guide words (No / More / Less / Reverse) + parameters (flow / T / P / concentration) to identify process deviations and consequences. ResourceCycle DMT plant completed full HAZOP + safety assessment approval, 30+ SIL-2 interlock loops, ATEX Zone 1 electrical. Related: sil , atex → Process safety design Process Safety # sil Safety Integrity Level (SIL) IEC 61511 Process safety interlock failure probability grading, level 1-4. SIL 1 / 2 / 3 / 4 correspond to failure probabilities 10⁻¹ / 10⁻² / 10⁻³ / 10⁻⁴ per hour. ResourceCycle DMT plant reactor emergency cooling, PSV, rupture discs and 30+ critical interlocks designed to SIL-2 (≤1/100 annual failure probability), components TÜV / Exida certified. Related: hazop , atex → Plant safety interlocks Process Safety # atex ATEX Explosive Atmospheres 94/9/EC · 2014/34/EU EU directive on equipment for use in explosive atmospheres; Zone 0/1/2 + Group I/II classification. Methanol is flammable (flash point 11 °C), DMT methanolysis plant explosive zone classification: reactor area Zone 1 (occasional explosive gas presence under normal operation). ResourceCycle plant-wide ATEX Zone 1 Cat 2G IIB T3 electrical compliance. Related: hazop , sil → ATEX explosion-proof design Carbon Management # cbam EU Carbon Border Adjustment Mechanism (CBAM) CBAM EU policy tool taxing imports based on embedded carbon emissions; full implementation 2026. CBAM covers steel, aluminium, cement, fertiliser, electricity, hydrogen at launch; may expand to chemicals and polymers. EU export customers already require PCF reports + third-party verification. ResourceCycle DMT carbon footprint ~1.4 t CO₂e/t (vs PTA ~2.8 t/t) significantly reduces customer CBAM tariff exposure. Related: iso-14067 , scope3 → CBAM & Scope 3 Test Parameter # aphacolor APHA Color Hazen Color · Pt-Co Color · ASTM D1209 Liquid / light solid color metric based on platinum-cobalt standard; lower = whiter. APHA color (Hazen / Pt-Co) measures sample transmission at 380-700 nm against platinum-cobalt standard. Polyester-grade DMT requires ≤5 APHA, optical-grade ≤3 APHA. ResourceCycle DMT averages 2-3 APHA, outperforming polyester-grade benchmark. Related: dmt , optical-grade → DMT color specifications Logistics # meg-iso-tank ISO Tank Container ISOTANK · T11 / T14 20 ft maritime standardised chemical tank; volume 21-26 m³; main EG / MEG export packaging. ISO Tank (T11, T14 types) holds EG 24-25 t; IMDG hazardous goods transport compliant. Advantages: reusable, fast loading / unloading, eliminates drum manual cost. ResourceCycle EG supports ISO Tank consolidated or full-container export to Southeast Asia, Europe, Middle East. Related: eg → EG ISO Tank export Product Grade # optical-grade Optical-grade Polyester Optical-grade DMT Material grade for optical PET / PETG / PCTG applications: color ≤3 APHA, b ≤0.3, haze ≤0.5%. Optical-grade polyester used in LCD polarizer substrate, solar back sheet, EV displays, OLED encapsulation — extremely stringent color, b-value (yellowness), haze and dust requirements. ResourceCycle custom optical-grade DMT (deep decolourisation + 4-stage distillation + activated carbon + molecular sieve refining) for BOPET customers. Related: dmt , bopet → Optical-grade DMT case study Polyester Downstream # engineering-plastic Engineering Plastics EP Plastics with superior mechanical, thermal, electrical properties; PA / PBT / POM / PC five-major family. Engineering plastics differ from commodity plastics in higher mechanical strength (tensile ≥50 MPa), HDT (≥100 °C), long-term stability. PBT (DMT + BDO derived) is one of the five major engineering plastics, with ~800 kt global demand in 2024. ResourceCycle DMT is premium upstream feedstock for PBT. Related: pbt , dmt → PBT engineering plastic DMT ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/insights Title: Insights — Chemical Recycling & Polyester Procurement Description: In-depth analysis for polyester buyers and process engineers: DMT vs PTA route selection, BOPET trim recycling, ISCC PLUS mass balance. Home Technology Products Solutions News About Contact 中文 00 Insights Chemical Recycling · Polyester Procurement · ESG In-depth analysis for polyester procurement, ESG / compliance, process engineers. Home / En / Insights 00 INSIGHTS Chemical recycling · Polyester procurement · ESG compliance In-depth analysis for polyester procurement, ESG / compliance, process engineers. 10-15 min reads with process data, economic analysis and decisions. 01 Process Route DMT vs PTA Route Selection Guide: A 3-Dimensional Framework for Polyester Procurement DMT route or PTA route for polyester procurement? Compare process maturity, feedstock volatility, product quality, and ESG compliance across four dimensions, with decisions for greenfield plants, retrofit, and EU export scenarios. 2026-05-20 14 min 02 Industry Solution BOPET Film Trim Chemical Recycling: Upgrading from "Downstream Recyclers" to "In-Line Optical-Grade Regeneration" BOPET biaxially-oriented polyester film plants generate 3-8% trim waste annually, historically sold to recyclers at undervalued prices. This article details the process, economics and PCF data of in-line chemical-recycling DMT plants, with build guides for 500 / 2,000 / 5,000 t/y scales. 2026-05-20 12 min 03 Certification & Compliance ISCC PLUS Mass Balance Explained: How Chemically Recycled DMT Enters Brand Green Procurement Chains ISCC PLUS is the de facto standard for brand green-procurement supplier qualification. This article details mass-balance accounting, ISCC PLUS certification flow, chain of custody (CoC), Scope 3 disclosure linkage, and ResourceCycle DMT's practical path into brand green procurement lists. 2026-05-20 11 min ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/insights/bopet-trim-chemical-recycling Title: BOPET Trim Recycling to Optical-Grade DMT | ResourceCycle Description: BOPET plants lose 3-8% of output as trim waste. The process, economics and PCF data for in-line chemical recycling at 500 / 2,000 / 5,000 t/y. Home Technology Products Solutions News About Contact 中文 00 Insights Industry Solution Home / En / Insights / BOPET Film Trim Chemical Recycling: Upgrading from "Downstream Recyclers" to "In-Line Optical-Grade Regeneration" Industry Solution 2026-05-20 12 min read ResourceCycle Technology Center BOPET Film Trim Chemical Recycling: Upgrading from "Downstream Recyclers" to "In-Line Optical-Grade Regeneration" BOPET biaxially-oriented polyester film plants generate 3-8% trim waste annually, historically sold to recyclers at undervalued prices. This article details the process, economics and PCF data of in-line chemical-recycling DMT plants, with build guides for 500 / 2,000 / 5,000 t/y scales. BOPET biaxially-oriented polyester film processes generate trim, ignition and broken-film waste continuously, totalling 3-8% of total output annually. A 50 kt/y BOPET line means 1,500-4,000 t/y waste polyester to dispose of — historically sold to downstream recyclers at ¥4,800-5,200/t. This is severe value under-realisation: regenerated to polyester-grade DMT for in-line reuse, equivalent feedstock value reaches ¥8,500-9,200/t. This article details the process, economics and carbon footprint data of in-line chemical recycling. 1. Why BOPET Plants Are Especially Suited to Chemical Recycling Mechanical recycling limitation: BOPET trim through melt-extrusion mechanical recycling suffers thermal history accumulation, IV value drop, b-value rise — unsuitable for in-line reuse to optical-grade BOPET (which requires raw material b-value ≤0.5, purity ≥99.95%). Mechanical recycling at best feeds low-end textile or packaging downstream. Chemical-recycling (methanolysis) natural fit: BOPET trim is single-component (>99% PET), clean (no bottle-grade contamination), IV-controllable — ideal feedstock. ResourceCycle measured data: BOPET trim post-pretreatment shows ≥99.3% methanolysis conversion (vs ≥98% for bottle-grade PET); optical-grade DMT color controllable to ≤3 APHA, b-value ≤0.3. Logistics advantage: chemical-recycling plant deployable physically adjacent to BOPET line, logistics radius ≤50 m (vs ≥80 km for external recycler), 99% logistics carbon reduction, ¥200-300/t logistics cost savings. 2. In-Line Regeneration Process Design ResourceCycle's BOPET in-line solution comprises 5 process units: Pretreatment: shredder → vibrating screen → rotary drier; removes tension-roller surface residue, dust; moisture ≤0.3%. Reactor train: 2 × 2 m³ twin-reactor in series (500 t/y) or 3 × 5 m³ triple-reactor (2,000 t/y+); 155-170 °C / 0.1-0.3 MPa; Zn-Mn binary catalyst; 90-120 min residence. Distillation: 4-stage tray column separates methanol / EG / oligomers; methanol ≥99.5% recycled to reactor. Crystallisation: gradient cooling 110→55 °C in 3 stages; centrifuge + drying for DMT crystal (D₅₀ 250-400 μm). Optical-grade deep refining: 4-stage distillation + activated carbon + molecular sieve; DMT b-value ≤0.3, color ≤3 APHA, purity ≥99.95%. Footprint 280-450 m²; 4 × 20 ft container modules; site assembly ≤5 days; non-stop retrofit feasible. 3. Economic Analysis (500 t/y Skid Case) ResourceCycle's 500 t/y mobile skid delivered to a South China BOPET client — actual data Jan-Sep 2025: Capex: ¥9M (skid equipment + installation + utilities), ¥18,000/t capacity (40% lower than fixed unit). Trim waste processed: 500 t/y (100% in-plant consumption). DMT output: 450 t/y (optical-grade, b-value ≤0.3). Feedstock value uplift: trim from external sale ¥4,800/t to in-line feedstock ¥8,500/t, +¥3,700/t per ton. Plus raw material substitution savings (no external optical-grade purchases): annual new economic benefit ¥2.2M. Static payback: 4.2 years (incl. skid equipment + installation). 4. PCF Data & Brand Customer Compliance Value ResourceCycle + SGS completed full-chain ISO 14067 PCF verification: BOPET trim → chemical recycling → optical-grade DMT → BOPET reuse. Client BOPET unit product carbon footprint fell 18% (PCF from baseline 4.2 t CO₂e/t to 3.45 t CO₂e/t). PCF report delivered to client BOPET downstream brand customers (a display panel manufacturer, an EV manufacturer) for their Scope 3 disclosure. The BOPET client thereby entered two brands' 2026 green procurement candidate list, with 8,000 t/y new BOPET order intent secured. ISCC PLUS mass-balance: BOPET client labels "recycled content X%" for brand customer 2027 compliance list (recycled material content ≥25%). 5. Build Guide for 500 / 2,000 / 5,000 t/y Scales 500 t/y · Mobile skid: 280 m² footprint, ¥9M capex, 4 containers transport, 5-day assembly, 4.2 yr payback. Suits 20-50 kt/y BOPET single line with full internal trim consumption. 2,000 t/y · Fixed skid: 800 m² footprint, ¥32M capex, 12 containers transport, 14-day assembly, 3.4 yr payback. Suits 80-150 kt/y BOPET park, internal consumption + partial sale to affiliates. 5,000 t/y · Modular skid: 2,000 m² footprint, ¥85M capex, 3.0-3.4 yr payback. Suits BOPET park + multi-line + regional recycling service to nearby polyester film plants. ∑ KEY TAKEAWAYS 01 BOPET trim chemical recycling delivers ¥3,000-4,000/t value uplift vs external recycler sale. 02 Optical-grade DMT in-line reuse cuts BOPET PCF 18%; passes brand customer green-procurement compliance. 03 Skid solution payback 3.0-4.2 years; 4 containers transport; 5-14 day on-site assembly; non-stop retrofit feasible. 04 ISCC PLUS + ISO 14067 dual certification is the key to BOPET customer entry into brand green procurement. → CONTINUE READING → Full case: BOPET mobile-skid project → DMT product detail → Methanolysis & skid-mount capability → Glossary: BOPET → Glossary: Optical-grade polyester ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/insights/dmt-vs-pta-route-selection-guide Title: DMT vs PTA: Which Polyester Route to Choose | ResourceCycle Description: Compare the DMT and PTA routes on process maturity, feedstock volatility, product quality and ESG compliance — with guidance per project type. Home Technology Products Solutions News About Contact 中文 00 Insights Process Route Home / En / Insights / DMT vs PTA Route Selection Guide: A 3-Dimensional Framework for Polyester Procurement Process Route 2026-05-20 14 min read ResourceCycle Technology Center DMT vs PTA Route Selection Guide: A 3-Dimensional Framework for Polyester Procurement DMT route or PTA route for polyester procurement? Compare process maturity, feedstock volatility, product quality, and ESG compliance across four dimensions, with decisions for greenfield plants, retrofit, and EU export scenarios. Over the past decade Chinese polyester capacity grew from 48 to 78 million tons/year, but 95% still relies on the PTA + EG route — locking the entire value chain's Scope 3 emissions and feedstock price volatility into a single PX → PTA transmission. With PTA's 30% price swing in H2 2024, EU CBAM full enforcement by 2026, and brand recycled-plastic commitments written into IFRS S2 disclosure — the DMT vs PTA choice has escalated from a pure process question to a strategic procurement issue. 1. Process Maturity & Product Comparison PTA route: petrochemical p-Xylene oxidation → PTA → condensation with EG → PET. High maturity, low unit capex, strong economies of scale; has dominated global polyester since the 1970s. DMT route (original): methanol + terephthalic acid esterification → DMT → transesterification with EG → PET. The original DMT process was largely replaced by PTA route from the 1990s due to multi-step energy intensity. DMT route revival comes from "chemically recycled DMT" industrialisation: waste PET + methanol → molecular depolymerisation to DMT + EG. ResourceCycle GREEN CIRCLE process achieves ≥98% conversion, ≤5 APHA color at 155-170 °C / 0.1-0.3 MPa, virgin-equivalent at molecular level. DMT feeds directly into PBT / PETG / PCTG / PET — four downstream markets. Key distinction: PTA route only enters PET (PTA insoluble in most diols, narrow downstream); DMT is a "universal polyester monomer" supporting PBT engineering plastics, PETG premium copolyester, PCTG medical copolyester, and standard PET. Procurement gains downstream flexibility. 2. Feedstock Price Volatility & Supply Stability PTA feedstock: PX → PTA → EG three-stage chain entirely dependent on crude oil. 2024 PTA price swung between ¥5,400-7,200/t (30% amplitude); PX maintenance + geopolitical shock can trigger ¥800/t price jumps within 2 weeks. DMT (chemical recycling) feedstock: waste PET is a "reverse supply chain" input — low correlation with crude oil. Bottle-grade PET waste stable at ¥3,800-4,500/t long-term; trim ¥4,800-5,200/t. Methanolysis consumes 1.05-1.10 t PET per t DMT. ResourceCycle actual process cost (Q1-Q3 2025): chemical-recycling DMT ~¥6,800/t (feedstock + methanol + catalyst + energy at PET ¥4,000/t). Same period PTA route landed cost: ¥6,200-7,500/t with severe volatility. DMT route has structural feedstock-side stability advantage. Supply stability: chemical-recycling DMT plants are distributable; single-unit scales of 350-5,000 t/y are economically viable, vs PTA plant minimum economic scale ~1,000 kt/y. Better fit for downstream brand "in-line regeneration". ResourceCycle BOPET mobile skid case (500 t/y trim) exemplifies this. 3. Product Quality & Downstream Fit Polyester-grade DMT vs PTA route comparison (downstream-critical metrics): Color: chemical-recycling DMT ≤5 APHA (typical 2-3); PTA-route PET b-value 1.0-2.0. DMT has significant advantage for optical BOPET / premium PETG. Acid value: chemical-recycling DMT ≤0.01 mg KOH/g; PTA-route PET residual 0.03-0.06. DMT route downstream polymerisation activity higher; polycondensation time 8-12% shorter. Metal residue: chemical-recycling DMT Sb ≤0.3 ppm (Zn residue); PTA + Sb₂O₃ catalyst PET Sb residue ≤80 ppm. DMT route products easier to meet FDA / EFSA food-contact / medical-device compliance. Diethylene glycol (DEG) content: DMT-route PET DEG 0.6-0.8%; PTA-route 0.9-1.3%. Lower DEG → more stable PET crystallisation → better fiber / film mechanical properties. Downstream PBT engineering plastic ~95% still uses DMT route (PTA incompatible with PBT process); EV connector / electronics housing / 5G base-station markets show sustained low-color, low-acid DMT demand growth. 4. ESG Compliance & Carbon Footprint Differential EU CBAM first phase does not directly cover polyester, but EU customers already require ISO 14067 PCF + third-party verification. From 2024, 12 leading brands (P&G, Coca-Cola, Unilever, etc.) have placed 'recycled plastic content ≥25%' in 2025-2027 supplier compliance lists. Chemically recycled DMT ISO 14067-verified PCF: ~1.4 t CO₂e / t DMT. PTA-route polyester monomer baseline PCF: ~2.8-3.2 t CO₂e / t. Differential: 1.4-1.8 t CO₂e per ton. ResourceCycle DMT carries ISCC PLUS mass-balance certification — labellable as "recycled content X%" for customer ESG disclosure. ISCC PLUS is the de facto standard for brand green-procurement supplier qualification. A 50 kt/y PET plant retrofitted to 50% chemically recycled DMT substitution: annual Scope 3 reduction ~35,000 t CO₂e (= 19,000 households of annual emissions) and direct entry into brand ISCC PLUS procurement lists. 5. Three Typical Decision Scenarios Scenario A · Greenfield polyester plant with diversified product mix: recommend "DMT route + PTA route dual track". DMT route 30% feed for PBT / PETG / PCTG premium plus ESG compliance; PTA route 70% for commodity PET. Slightly higher capex (DMT plant per-ton capacity capex ¥18-25k) but recovers within 3-4 years through ESG premium + premium-product margin. Scenario B · Brownfield PTA route retrofit: recommend modular skid-mounted chemical-recycling DMT plant, 500-2,000 t/y, processing in-house PET trim / off-spec polyester for closed-loop reuse to PBT line or external sales. ResourceCycle BOPET mobile skid case (500 t/y, 280 m² footprint, 4 containers) proves technical viability and economic rationality (4.2 yr payback). Scenario C · Exporting to EU / North America customers: recommend chemically recycled DMT route with ISCC PLUS + ISO 14067 PCF dual certification. Once CBAM is fully enforced, PTA-route PET export embedded carbon cost will rise ~$80-130/t; chemical-recycling DMT route significantly mitigates or eliminates this cost. 6. Decision Checklist (Procurement Self-Assessment) Does the downstream mix include PBT / PETG / PCTG? Yes → DMT route necessary. Any customer with ESG disclosure or brand green procurement list? Yes → DMT route priority. Export to EU / California / Canada carbon-regulated markets? Yes → DMT route + ISCC PLUS dual certification. Existing plant waste PET disposal cost ≥¥1,000/t? Yes → evaluate in-house chemical-recycling DMT solution. Site space ≥300 m², utilities (power / steam) ready? Yes → modular skid solution operational in 6-10 months. Payback tolerance ≤5 years? Yes → DMT project economics validated across 3 ResourceCycle customer cases. ∑ KEY TAKEAWAYS 01 Chemical-recycling DMT vs PTA route: 3-5× lower color, 5× lower acid value, 30× lower metal residue, 50% lower PCF. 02 PTA route retains scale-cost advantage in commodity PET; DMT route is irreplaceable in PBT / PETG / PCTG premium. 03 CBAM + brand green procurement lists will fundamentally reshape polyester procurement cost structure in 2026-2027; early adoption of chemical-recycling DMT captures ESG premium. 04 Greenfield: DMT + PTA dual track; brownfield: in-line modular skid; exporters: ISCC PLUS + ISO 14067 dual certification. → CONTINUE READING → Dimethyl Terephthalate (DMT) product → GREEN CIRCLE methanolysis process → Case: BOPET trim mobile-skid project → Sustainability policy & CBAM → Glossary: ISCC PLUS ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/insights/iscc-plus-mass-balance-explained Title: ISCC PLUS Mass Balance for Recycled DMT | ResourceCycle Description: How mass-balance accounting, ISCC PLUS certification and chain of custody get chemically recycled DMT onto brand green-procurement lists. Home Technology Products Solutions News About Contact 中文 00 Insights Certification & Compliance Home / En / Insights / ISCC PLUS Mass Balance Explained: How Chemically Recycled DMT Enters Brand Green Procurement Chains Certification & Compliance 2026-05-20 11 min read ResourceCycle ESG Team ISCC PLUS Mass Balance Explained: How Chemically Recycled DMT Enters Brand Green Procurement Chains ISCC PLUS is the de facto standard for brand green-procurement supplier qualification. This article details mass-balance accounting, ISCC PLUS certification flow, chain of custody (CoC), Scope 3 disclosure linkage, and ResourceCycle DMT's practical path into brand green procurement lists. P&G, Coca-Cola, Unilever, Nestlé, L'Oréal and 12+ leading brands have written 'recycled plastic content ≥25%' into 2025-2027 supplier compliance lists. But chemically recycled DMT / EG and virgin petrochemical products are molecularly identical; downstream polyester producers cannot physically distinguish blended feedstock. ISCC PLUS mass-balance certification solves this commercial executability — this article explains the principles, flow, Scope 3 linkage, and ResourceCycle DMT's practical entry path into brand green procurement. 1. Why Mass Balance Certification Is Needed Physical mixing reality: chemically recycled DMT (from waste PET) and virgin DMT (from PTA) are molecularly identical, both CAS 120-61-6; downstream PBT / PETG / PCTG / PET cannot physically distinguish. Requiring strict physical segregation traceability would force downstream polyester producers to build dedicated production lines / tanks / packaging for recycled feedstock — economically unfeasible. Mass balance essence: allow physical mixing, allocate recycled attributes to a portion of output by input ratio. Example: a PET plant feeds 10,000 t DMT/yr (2,000 t chemically recycled + 8,000 t virgin), produces 12,500 t PET — mass balance allows labelling 2,500 t PET as '100% recycled content', remaining 10,000 t as 'conventional'. Total 'recycled quota' strictly matches physical input ratio. Method applied in biofuels, renewable diesel, renewable PE / PP for 15 years; maintained by independent third-party certification bodies (ISCC, RSB, Bonsucro). Chemically recycled polyester monomer is the latest expansion. 2. ISCC PLUS System Architecture ISCC (International Sustainability and Carbon Certification) is maintained by ISCC System GmbH (Germany). Two tracks: ISCC EU (Renewable Energy Directive interface) + ISCC PLUS (voluntary market). Chemically recycled polyester monomer falls under ISCC PLUS. Chain of Custody (CoC) layers: Layer 1 · Feedstock: waste PET collectors (bottle recycling sites, polyester film plant internal trim systems) need ISCC PLUS Collection Point certification. Layer 2 · Chemical recycler: ResourceCycle DMT plant holds ISCC PLUS Manufacturer certification; per-batch recycled feedstock certificate issued (recycled %, feedstock type, production date). Layer 3 · Downstream polyester producer: customer PET / PBT / PETG / PCTG plant obtains ISCC PLUS Processor certification, performs mass-balance accounting for "recycled-content products". Layer 4 · Brand: receives downstream polyester producer's ISCC PLUS certificate + mass-balance proof, used in own ESG disclosure and "recycled material content" labelling compliance. Annual third-party audit by ISCC-accredited bodies (SGS, TÜV Rheinland, Bureau Veritas): material balance, document records, CoC integrity. 3. Linkage with ISO 14067 PCF / Scope 3 ISCC PLUS solves "recycled attribute traceability"; ISO 14067 PCF solves "product carbon footprint quantification". Complementary: ISCC PLUS determines "recycled content X%" labelling; ISO 14067 determines "carbon footprint Y kg CO₂e/kg" labelling. ResourceCycle DMT dual certification document pack: ISCC PLUS mass-balance certificate (annual update) + ISO 14067 PCF report (SGS third-party verified, annual update). ~25 PDF pages, provided together on customer inquiry. Scope 3 linkage: brand customer (e.g. Coca-Cola) discloses packaging Scope 3 reduction via CDP / DJSI, requires its supplier (PET bottle producer) provide ISO 14067 PCF; the bottle producer, after mass-balance recycled feedstock allocation, can show "recycled content X% corresponds to PCF reduction Y kg CO₂e/unit" in the PCF report. ResourceCycle methanolysis DMT unit PCF 1.4 t CO₂e/t (PTA route 2.8-3.2 t), 50% unit PCF reduction. 50% recycled content PET → 25% effective PCF reduction. 4. ResourceCycle DMT ISCC PLUS Certification Status Certification timeline: 2024 Q4 ISCC PLUS system setup launched; 2025 Q2 first on-site audit completed (SGS China); 2025 Q3 ISCC PLUS Manufacturer certification obtained (cert no. ISCC-PLUS-XXX-2025). Certification scope: 5,000 t/y DMT + 1,600 t/y EG full capacity. Feedstock: waste PET flake + polyester fiber waste + BOPET trim (three types). Mass balance unit: DMT + EG Co-product Mass Balance. Customer integration flow: (1) customer requests ISCC PLUS + ISO 14067 doc pack from ResourceCycle sales; (2) customer ESG team coordinates with ResourceCycle ESG team for CoC linkage; (3) customer obtains ISCC PLUS Processor certification (ResourceCycle can recommend certification body if needed); (4) ResourceCycle issues recycled feedstock certificates per order. Brand compliance commitments supported: (1) Coca-Cola 25% recycled PET by 2025; (2) Unilever 25% recycled plastic by 2025; (3) P&G 50% recycled plastic by 2030; (4) Nestlé 1/3 recycled PET by 2025; (5) L'Oréal 50% recycled plastic by 2025. 5. Common Questions & Misconceptions Q: Is mass balance "greenwashing"? A: No. ISCC / RSB systems are legally recognised by EU RED II / RED III; material balance audits are rigorous; annual third-party verification; CoC documents retained 7 years. Q: Can recycled content be stacked? A: No. If 1 t PET has 25% recycled content, that 25% cannot be re-allocated downstream; ISCC CoC traces once to source feedstock. Q: ISCC PLUS vs GRS (Global Recycled Standard) difference? A: GRS requires physical segregation, primarily for textiles; ISCC PLUS allows mass balance, suits chemicals / polymers. Chemically recycled polyester chooses ISCC PLUS. Q: Certification cost and timeline? A: First-time manufacturer audit ~¥80-150k (scope-dependent); first-time completion 4-6 months. Annual re-audit ¥50-80k. ∑ KEY TAKEAWAYS 01 ISCC PLUS mass balance is the de facto standard for chemically recycled polyester entry into brand green procurement chains. 02 CoC spans feedstock → manufacturer → processor → brand four layers; each independently certified, annually third-party audited. 03 ISCC PLUS (recycled attribute) + ISO 14067 (carbon footprint) dual certification = complete Scope 3 doc pack for brand disclosure. 04 ResourceCycle DMT holds ISCC PLUS Manufacturer certification across full capacity; customer integration ≤8 weeks. → CONTINUE READING → Sustainability overview → CBAM & ESG policy → ISCC PLUS certified DMT product → Glossary: Mass balance → Glossary: Scope 3 ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news Title: DMT Industry News, Market & ESG | ResourceCycle Description: Latest DMT industry news, market analysis, chemical recycling technology insights and ESG updates from ResourceCycle. Home Technology Products Solutions News About Contact 中文 00 NEWS & INSIGHTS News & Insights Stay updated with DMT market trends, procurement insights and ResourceCycle's latest developments Home / En / News All Company Industry Market Technology 01 Technology June 2, 2026 Chemical Recycling of Polyester Fiber Waste: From Waste Polyester to High-Purity DMT and Ethylene Glycol ResourceCycle explains the four-step chemical recycling process for polyester fiber (polyester textile) waste — pre-treatment, methanolysis depolymerization, DMT and ethylene glycol separation — producing polyester-grade raw materials with purity ≥99.9% from discarded textiles. Read More 02 Technology May 21, 2026 Low-Temperature Atmospheric Methanolysis of PET to Polymer-Grade DMT: ResourceCycle's New-Quality-Productivity Process Breakthrough ResourceCycle and the Zhejiang University Green Carbon Joint Research Center have developed a disruptive process that completes PET chemical depolymerisation at 64.5 °C atmospheric reflux — achieving 99.2% PET conversion, 99.5% DMT selectivity, 99.75% product purity, 60%+ capex reduction, 45-50% energy savings, with kiloton-per-year commercial operation. Read More 03 Technology May 13, 2026 ResourceCycle as a Low-Carbon DMT Co-Development Platform for Global Closed-Loop Polyester Partnerships Global brands are moving material decisions upstream to the polyester monomer level. With high-purity DMT production, methanolysis R&D and closed-loop material platform capabilities, ResourceCycle is positioned for exclusive joint development programs and long-term pre-purchase agreements. Read More 04 Market Outlook May 11, 2026 2026 Global Supply Chain Reshaping: DMT Market Outlook, Price Trends & China Sourcing Strategy An in-depth analysis of the 2026 DMT global supply-demand landscape transformation — from macro market outlook, PX-DMT cost transmission mechanisms, and PTA substitution dynamics to China's integrated advantages and low-cost sourcing strategies, providing supply chain executives with a strategic and actionable intelligence guide. Read More 05 Technology May 11, 2026 Complete Procurement and Technical Specification Review Guide for Dimethyl Terephthalate (CAS 120-61-6) This article comprehensively dissects DMT physical properties, purity indicators (>99.9%), matching scenarios for three physical forms (solid flake/briquette/liquid), PBT downstream application conversion chains, and COA and MSDS supplier review mechanisms, providing systematic reference for procurement engineers. Read More 06 Technology May 10, 2026 In-Depth Analysis of Dimethyl Terephthalate (DMT): The Core Driver of the Modern High-Value-Added Polyester Industry This article provides an in-depth analysis of DMT, comparing its process differences with PTA, and detailing its irreplaceability in high-value-added application fields with high purity and optical requirements, such as PBT, special PET films, and medical-grade PETG. Read More Load More News NEWSLETTER Get the latest green-carbon tech and industry reports Subscribe for DMT market trends, procurement guides, product tech and ResourceCycle updates. Cutting-edge tech Industry reports Policy insights Email Subscribe We respect your privacy. No spam. ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/1 Title: ResourceCycle × Zhejiang University DMT Research Center Description: ResourceCycle and Zhejiang University open a Green Carbon Joint Research Center for high-purity DMT, EG co-production and catalyst systems. Home Technology Products Solutions News About Contact 中文 Home / En / News / ResourceCycle and Zhejiang University Establish Green Carbon Joint Research Center for High-Purity DMT and Low-Carbon Polyester Materials Company News ResourceCycle and Zhejiang University Establish Green Carbon Joint Research Center for High-Purity DMT and Low-Carbon Polyester Materials ResourceCycle and Zhejiang University will collaborate on high-purity Dimethyl Terephthalate (DMT), ethylene glycol co-production, catalyst systems and low-carbon polyester raw materials for PBT, PET and PETG applications. April 28, 2026 · 3 min read TL;DR ResourceCycle and Zhejiang University will collaborate on high-purity Dimethyl Terephthalate (DMT), ethylene glycol co-production, catalyst systems and low-carbon polyester raw materials for PBT, PET and PETG applications. Keywords: Zhejiang University · Green Carbon Joint Research Center · high-purity DMT · Dimethyl Terephthalate manufacturer · DMT production process A Research Platform Built Around High-Purity DMT The signing ceremony for the university-enterprise joint laboratories of Zhejiang University's Yangtze River Delta Smart Oasis Innovation Center was held recently in Jiaxing, Zhejiang. At the event, ResourceCycle (Hangzhou) New Materials and Zhejiang University formally signed and unveiled the Zhejiang University Smart Oasis – ResourceCycle Green Carbon Joint Research Center . For ResourceCycle, this is more than a green-technology research platform. It is a long-term R&D commitment focused on high-purity Dimethyl Terephthalate (DMT, CAS 120-61-6), ethylene glycol (EG) co-production, catalyst systems, and quality control for polyester-grade feedstock. As a key monomer for PBT, PET, PETG and specialty polyesters, DMT carries demanding requirements on purity, colour, acid value and batch-to-batch consistency — precisely the areas where sustained academic collaboration translates into more consistent product and more reliable volume delivery. Attendees included Jiang Haiyang, Member of the Standing Committee of the Jiaxing Municipal Party Committee and Secretary of the Jiashan County Party Committee; Zhou Jianghong, Vice President of Zhejiang University; county leadership including Zhang Xifeng, Qian Xueqin, Gu Xinyu and Cao Huiming; experts from the Jiashan science and innovation platform; representatives of relevant county departments and townships; and enterprise delegates. Four Joint Research Centers, One Innovation Ecosystem At the ceremony, the Smart Oasis Innovation Center signed agreements with four companies to establish joint research centers or laboratories. Signatory companies Company Field of collaboration ResourceCycle (Hangzhou) New Materials High-purity DMT processes, low-carbon polyester feedstock, green chemical technology Shenzhen Zhouming Technology LED lighting and optoelectronics Zhejiang Dongbo Construction Green building and energy-saving materials Zhejiang Zhongyang Storage Technology Automated warehousing and logistics systems Over 10 Million Yuan Across Three Years The two partners bring complementary strengths to the Green Carbon Joint Research Center. Over a three-year cooperation period they will jointly invest more than 10 million yuan , drawing on Zhejiang University's technical teams in its strongest disciplines to recruit and deepen the research bench, with the goal of qualifying as a provincial- and municipal-level key laboratory. Investment plan Total investment : over RMB 10 million across three years Talent : 10–15 additional doctoral and master's-level researchers Equipment : catalyst development platform and analytical testing centre Industrialisation target : qualify as a provincial/municipal key laboratory and incubate one to two commercial projects Targeting the DMT Process Bottlenecks The centre's mandate is key-technology development and complete process-package engineering for green new-material monomers . Work on catalysts, purification, continuous production and analytical methods feeds directly into higher DMT purity, tighter batch consistency and greater low-carbon supply capability — which is what gives downstream polyester producers a more dependable feedstock option. Priority research directions High-efficiency catalyst systems : a new generation of solid base catalysts targeting a 40%+ improvement in reaction efficiency Domestic process packages : independent design of process packages at 10,000-tonne scale High-end product development : industrial production of polyester-grade, high-purity DMT and downstream high-end application feedstock Standards work : participation in drafting three to five national or industry standards What the centre brings Senior research team : built on Zhejiang University's strengths in chemical engineering and materials science, including one academician and two Changjiang Scholars Engineering-led : focused on technology that can actually be scaled, rather than pure fundamental research Full-chain coverage : from catalyst development through to process-package delivery Low-carbon by design : carbon footprint more than 30% better than the industry average As a producer and supplier of high-purity DMT and ethylene glycol, ResourceCycle will use this collaboration to keep improving its production processes, analytical capability and low-carbon supply-chain service for customers in PBT, PET, PETG, coating resins and specialty polyesters. The ResourceCycle View: R&D Has to Become Reliable Supply For downstream customers, the value of a research platform is ultimately measured in what they can buy: stable DMT purity, traceable COA and MSDS documentation, clear lead times, and a sustainable pricing structure. ResourceCycle will continue pairing university research capability with commercial-scale plant, moving high-purity Dimethyl Terephthalate from technical validation into long-term volume supply. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags Zhejiang University Green Carbon Joint Research Center high-purity DMT Dimethyl Terephthalate manufacturer DMT production process low-carbon DMT ethylene glycol co-production polyester-grade DMT CAS 120-61-6 supplier Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Company News April 28, 2026 ResourceCycle and Zhejiang University Establish Green Carbon Joint Research Center for High-Purity DMT and Low-Carbon Polyester Materials ResourceCycle and Zhejiang University will collaborate on high-purity Dimethyl Terephthalate (DMT), ethylene glycol co-production, catalyst systems and low-carbon polyester raw materials for PBT, PET and PETG applications. Read more 02 Company News March 15, 2026 ResourceCycle Huanggang Base: 5,000 Tons/Year DMT and 1,600 Tons/Year Ethylene Glycol Supply Capacity ResourceCycle (Hubei) is building a 5,000-ton/year Dimethyl Terephthalate (DMT) and 1,600-ton/year Ethylene Glycol (EG) production line for PBT, PET, PETG and polyester customers requiring COA/MSDS and bulk supply. Read more 03 Technology June 2, 2026 Chemical Recycling of Polyester Fiber Waste: From Waste Polyester to High-Purity DMT and Ethylene Glycol ResourceCycle explains the four-step chemical recycling process for polyester fiber (polyester textile) waste — pre-treatment, methanolysis depolymerization, DMT and ethylene glycol separation — producing polyester-grade raw materials with purity ≥99.9% from discarded textiles. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/10 Title: DMT Procurement: Flake vs Briquette vs Liquid Description: Compare solid flake, briquette and liquid DMT on packaging, transport, feeding and storage to pick the right form for your PBT or PET line. Home Technology Products Solutions News About Contact 中文 Home / En / News / DMT Procurement Guide: How to Choose Solid Flake, Briquette and Liquid Dimethyl Terephthalate Industry Trends DMT Procurement Guide: How to Choose Solid Flake, Briquette and Liquid Dimethyl Terephthalate Compare DMT solid flake, briquette and liquid forms across packaging, transport, feeding, storage and downstream applications to support procurement decisions for PBT, PET and PETG customers. November 12, 2025 · 4 min read TL;DR Compare DMT solid flake, briquette and liquid forms across packaging, transport, feeding, storage and downstream applications to support procurement decisions for PBT, PET and PETG customers. Keywords: DMT procurement · DMT flake · DMT briquette · liquid DMT · DMT packaging Physical Form Changes Both Purchasing and Feeding Efficiency Dimethyl Terephthalate (DMT) is commonly delivered as solid flake, briquette or liquid. Those forms behave differently in packaging, storage, transport, melting, feeding and degree of automation. When requesting a quotation, match the form to your plant's actual conditions rather than comparing price per tonne in isolation. Solid flake DMT Flake is straightforward to bag, warehouse and trial in small quantities — which suits sample qualification, batch production and customers who need flexibility in how they charge material. Easy storage : suits FIBC or sack delivery Flexible feeding : works for multi-product, small-batch production Visual inspection : appearance, colour and caking are easy to check on receipt Watch for : moisture protection, caking, and packaging integrity. Briquette or granular DMT Briquette suits bulk trade and port delivery, packs efficiently, and fits customers buying volume on a long-term basis. Built for bulk : convenient for large packaging and consolidated shipment Faster handling : suits an established supply chain Documentation matters more : COA should be checked per batch Confirm briquette size, packaging specification, batch number, purity and moisture at the point of order. Liquid DMT Liquid DMT suits customers with heated storage tanks, pipeline transfer and continuous feeding — removing both manual unpacking and the solid melting step. Suits continuous production Demands more of heating, tankage and safety management Best for customers with stable long-term consumption Before buying liquid DMT, confirm on-site unloading capability, tank temperature control and safe operating procedures. Choosing a form DMT form Best suited to What to check Solid flake Sample qualification, small batch, multi-product production Moisture, caking, packaging integrity Briquette / granular Bulk procurement, established supply chain Batch COA, packaging specification, handling efficiency Liquid DMT Continuous production, stable long-term volume Heated storage and transport, tank capability, safety procedures From a risk-management standpoint, run a small-sample qualification and trial production first, then settle the long-term purchasing form against your plant's actual conditions. ResourceCycle can provide DMT samples, COA/MSDS, packaging options and bulk quotation discussion. Frequently Asked Questions Q1: How do flake, briquette and liquid DMT differ? Flake DMT (1–5 mm thin flakes) is easy to charge and meter accurately, suiting laboratory and small-batch work. Briquette DMT (10–30 mm) packs compactly and handles efficiently, suiting bulk procurement. Liquid DMT (molten) allows continuous feeding and saves the melting energy, suiting large continuous polymerisation plants — but requires heated storage and transport. Q2: What are the MOQ and packaging options per form? Flake and briquette carry a 1-tonne MOQ, supplied in 25 kg plastic-lined woven bags or 500–1,000 kg FIBC bulk bags. Liquid DMT starts at a 25 t ISO tank container, shipped in dedicated heated tankers. Q3: What does liquid DMT storage and transport require? Heated tankage above 150 °C to prevent solidification, nitrogen blanketing against oxidation, sealing against moisture, and separation from ignition sources. The discharge system needs matching heating and metering. Short-haul road transport should complete within 24 hours; long-haul sea freight requires a heating module. Q4: How should flake and briquette DMT be stored? Dry, cool conditions (≤30 °C, RH ≤60%), sealed against moisture, away from ignition sources and oxidisers, protected from light. Shelf life at ambient temperature is 12–24 months. Q5: How do I pick a form based on my plant? Pilot and bench-scale plant → flake. Batch polymerisation or mid-size production → briquette. Continuous polymerisation or 10,000-tonne-scale lines → liquid. ResourceCycle can recommend a form for your plant type and provide trial samples plus a changeover plan. Related Reading Dimethyl Terephthalate (DMT, CAS 120-61-6) — specifications, MSDS / COA Ethylene Glycol (EG / MEG, CAS 107-21-1) — specifications, MSDS / COA Chemical methanolysis DMT process and core technology DMT / EG market outlook and brand recycled-plastic commitments Policy: chemical recycling as a strategic emerging industry Case studies: Zhejiang University joint research centre and the Huanggang project Contact sales — DMT quotation, samples, COA requests About ResourceCycle Ruisaike (Hangzhou) New Materials Co., Ltd. is a chemical-process manufacturer of DMT and ethylene glycol. Annual capacity is 5,000 tonnes of DMT plus 1,600 tonnes of ethylene glycol, at purity ≥99.9% — meeting polyester-grade virgin material standards. The company operates a joint research centre with Zhejiang University, holds 12 core patents, and is certified to ISO 14001 and ISO 9001. Products serve PBT, PETG, PCTG, PET resin, polyester fibre, polyester coatings, automotive antifreeze and unsaturated polyester resin. Domestic road freight and sea export are both supported (EXW / FOB / CIF / DAP), with a 1-tonne minimum order, 7–30 day lead times, custom COA, sample requests and ESG documentation support. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags DMT procurement Dimethyl Terephthalate procurement Dimethyl Terephthalate solid flake DMT Briquette FOB Busan South Korea liquid Dimethyl Terephthalate Buy Dimethyl Terephthalate in bulk China DMT CIF Shanghai spot market CAS 120-61-6 supplier Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Industry Trends November 12, 2025 DMT Procurement Guide: How to Choose Solid Flake, Briquette and Liquid Dimethyl Terephthalate Compare DMT solid flake, briquette and liquid forms across packaging, transport, feeding, storage and downstream applications to support procurement decisions for PBT, PET and PETG customers. Read more 02 Industry Trends August 22, 2025 DMT Supplier Compliance Review Guide: Hazardous Chemical Management, ISO 14001 and COA/MSDS Documents DMT procurement should review not only price and purity, but also supplier compliance, hazardous chemical management, ISO 14001, COA/MSDS documents and batch traceability. Read more 03 Industry Trends April 10, 2025 Recycled Materials Policy Drives Low-Carbon Polyester Raw Materials: Opportunities for DMT Suppliers China's policy support for recycled materials and low-carbon industries creates long-term opportunities for low-carbon DMT, polyester-grade Dimethyl Terephthalate and high-quality polyester raw material supply chains. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/11 Title: DMT Catalyst and Purification Technology Explained Description: Catalyst systems, reaction efficiency, heavy-metal control and purification — how DMT producers hold purity ≥99.9% batch after batch. Home Technology Products Solutions News About Contact 中文 Home / En / News / DMT Catalyst and Purification Technology: How High-Purity Dimethyl Terephthalate Is Produced at Stable Scale Technology DMT Catalyst and Purification Technology: How High-Purity Dimethyl Terephthalate Is Produced at Stable Scale This article explains catalyst systems, reaction efficiency, heavy-metal control, purification and batch stability in DMT production, showing how suppliers maintain purity ≥99.9% and consistent COA delivery. July 20, 2025 · 3 min read TL;DR This article explains catalyst systems, reaction efficiency, heavy-metal control, purification and batch stability in DMT production, showing how suppliers maintain purity ≥99.9% and consistent COA delivery. Keywords: DMT catalyst · DMT purification · high-purity DMT · batch consistency · heavy metal control The Catalyst System Is What Makes DMT Production Repeatable DMT production runs through esterification, transesterification and refining. The catalyst system governs reaction rate, conversion, by-product formation and how difficult downstream purification will be — which is another way of saying it determines final purity, colour, acid value and batch-to-batch stability. Conventional catalyst types compared Catalyst type Advantage Limitation Alkali metal carbonates Na₂CO₃, K₂CO₃ Low cost Requires high temperature and pressure 180–200 °C, 0.5–1.5 MPa Zinc salts Zinc acetate Higher catalytic activity Heavy-metal contamination concerns Constrains food-contact applications Ionic liquids High activity Expensive and hard to scale ResourceCycle's catalysis and purification controls The R&D team works continuously on catalyst formulation, reaction conditions, refining and analytical methods, with one goal: hold polyester-grade DMT specification at commercial scale while suppressing batch variation. Control dimension Target / parameter Notes Catalytic activity 160 °C, atmospheric Mild conditions; no high-pressure equipment required DMT purity ≥99.9% Polyester-grade target, GC tested every batch Batch stability COA throughout Third-party laboratory testing plus retained-sample traceability Heavy metals ≤0.5 ppm Near non-detect after four-stage purification; meets food-contact requirements Key process parameters ResourceCycle catalyst system Reaction temperature 160 °C (20–40 °C below conventional processes) Reaction pressure Atmospheric — no pressure vessels needed Reaction time Under 2 hours (conventional processes take 8–12 hours) Efficiency gain 40%+ versus conventional catalysts Regeneration Calcination at 550 °C for 2 hours Where the difficulty actually sits: high-purity DMT production is not simply a conversion-rate problem. By-product control, heavy-metal control, colour control, crystallisation refining and batch quality management are all part of it. Buyers should judge a supplier's real capability through sample qualification and the trend across successive COAs, not through claimed figures. Frequently Asked Questions Q1: Which catalysts are used in DMT production? Methanolysis commonly uses zinc acetate (Zn(OAc)₂), manganese acetate (Mn(OAc)₂), tetrabutyl titanate (TBT) and solid acid/base catalysts. ResourceCycle uses a proprietary composite catalyst system that operates at lower temperature with higher selectivity and fewer by-products. Q2: How is residual catalyst metal controlled? A three-step approach — multi-stage distillation, ion exchange, and chelating resin adsorption — holds Zn, Mn and Fe residues at ≤0.5 ppm, well below the polyester-grade industry standard of ≤2 ppm. Q3: What is the core of ResourceCycle's DMT purification? A four-stage system: ① primary distillation to remove light components (methanol, low-boiling esters); ② activated carbon decolorization to strip aldehydes and ketones; ③ molecular sieve refining for deep dehydration; ④ secondary distillation to remove heavy components. Final purity ≥99.9%, colour ≤5 APHA. Q4: How is batch stability assured? Process parameters are locked per batch (temperature RSD ≤0.5%, catalyst dosing RSD ≤1%), monitored online through DCS, GC-sampled before warehousing, and cross-checked by third-party laboratory COA. Batch purity RSD is held at ≤0.05%. Q5: What is catalyst life and recovery rate? The catalyst system runs ≥6 months per charge, with recovery ≥95% and post-regeneration activity retention ≥90% — which materially reduces both production cost and spent-catalyst disposal burden. Related Reading Dimethyl Terephthalate (DMT, CAS 120-61-6) — specifications, MSDS / COA Ethylene Glycol (EG / MEG, CAS 107-21-1) — specifications, MSDS / COA Chemical methanolysis DMT process and core technology DMT / EG market outlook and brand recycled-plastic commitments Policy: chemical recycling as a strategic emerging industry Case studies: Zhejiang University joint research centre and the Huanggang project Contact sales — DMT quotation, samples, COA requests About ResourceCycle Ruisaike (Hangzhou) New Materials Co., Ltd. is a chemical-process manufacturer of DMT and ethylene glycol. Annual capacity is 5,000 tonnes of DMT plus 1,600 tonnes of ethylene glycol, at purity ≥99.9% — meeting polyester-grade virgin material standards. The company operates a joint research centre with Zhejiang University, holds 12 core patents, and is certified to ISO 14001 and ISO 9001. Products serve PBT, PETG, PCTG, PET resin, polyester fibre, polyester coatings, automotive antifreeze and unsaturated polyester resin. Domestic road freight and sea export are both supported (EXW / FOB / CIF / DAP), with a 1-tonne minimum order, 7–30 day lead times, custom COA, sample requests and ESG documentation support. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags DMT catalyst DMT purification technology high-purity Dimethyl Terephthalate DMT purity parameter >99.9% chemical DMT production process polyester-grade DMT DMT COA report Dimethyl Terephthalate supplier Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Technology June 2, 2026 Chemical Recycling of Polyester Fiber Waste: From Waste Polyester to High-Purity DMT and Ethylene Glycol ResourceCycle explains the four-step chemical recycling process for polyester fiber (polyester textile) waste — pre-treatment, methanolysis depolymerization, DMT and ethylene glycol separation — producing polyester-grade raw materials with purity ≥99.9% from discarded textiles. Read more 02 Technology May 21, 2026 Low-Temperature Atmospheric Methanolysis of PET to Polymer-Grade DMT: ResourceCycle's New-Quality-Productivity Process Breakthrough ResourceCycle and the Zhejiang University Green Carbon Joint Research Center have developed a disruptive process that completes PET chemical depolymerisation at 64.5 °C atmospheric reflux — achieving 99.2% PET conversion, 99.5% DMT selectivity, 99.75% product purity, 60%+ capex reduction, 45-50% energy savings, with kiloton-per-year commercial operation. Read more 03 Technology May 13, 2026 ResourceCycle as a Low-Carbon DMT Co-Development Platform for Global Closed-Loop Polyester Partnerships Global brands are moving material decisions upstream to the polyester monomer level. With high-purity DMT production, methanolysis R&D and closed-loop material platform capabilities, ResourceCycle is positioned for exclusive joint development programs and long-term pre-purchase agreements. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/12 Title: DMT and Ethylene Glycol Co-Supply for Polyester Makers Description: 5,000 t/y DMT plus 1,600 t/y EG from one supplier — what integrated monomer sourcing changes for PBT, PET, fibre and antifreeze buyers. Home Technology Products Solutions News About Contact 中文 Home / En / News / DMT and Ethylene Glycol Co-Supply: How Dimethyl Terephthalate Manufacturers Serve the Polyester Value Chain Technology DMT and Ethylene Glycol Co-Supply: How Dimethyl Terephthalate Manufacturers Serve the Polyester Value Chain ResourceCycle's 5,000-ton/year DMT and 1,600-ton/year Ethylene Glycol (EG) supply capability supports PBT, PET, polyester fiber, antifreeze and resin customers evaluating integrated raw material suppliers. June 25, 2025 · 3 min read TL;DR ResourceCycle's 5,000-ton/year DMT and 1,600-ton/year Ethylene Glycol (EG) supply capability supports PBT, PET, polyester fiber, antifreeze and resin customers evaluating integrated raw material suppliers. Keywords: DMT and EG co-production · ethylene glycol supplier · polyester value chain · methanol recovery · integrated monomer supply DMT and Ethylene Glycol from One Source In the polyester value chain, DMT and ethylene glycol (EG) usually appear together in a customer's raw material basket. ResourceCycle's Huanggang base is designed for 5,000 tonnes of DMT and 1,600 tonnes of ethylene glycol a year — which allows a single supply conversation to cover both for PBT, PET, polyester fibre, antifreeze and resin customers. The methanolysis reaction PET + 2 CH₃OH → DMT + EG Output Theoretical yield Per tonne of PET DMT 0.86 tonnes per tonne PET EG 0.31 tonnes per tonne PET Material utilisation close to 100% versus 40–60% for the pyrolysis route Ethylene glycol specification and market Specification: ResourceCycle ethylene glycol targets industrial-grade and polyester value chain applications, with purity, moisture, colour and batch stability as the controlled parameters. Downstream applications for EG Antifreeze — automotive and building systems Polyester feedstock — resynthesis into PET Unsaturated polyester resin — FRP and composite materials Vinyl ester coatings — industrial protective coatings Market indicator Position Market price RMB 4,500–5,500 per tonne Trend The spread between recycled EG and petrochemical EG continues to narrow, strengthening competitiveness and market acceptance Methanol recovery and recycling Methanol recovery runs at ≥97% . Recovered methanol is separated in the distillation column and returned to the methanolysis reactor: methanolysis reaction → distillation separation → 97% recovery → returned to process Why a co-production supplier is worth evaluating Coordinated supply: DMT and EG requirements can be discussed with one supplier, cutting procurement overhead. Consistent documentation: COA, MSDS, batch records and supplier qualification files are managed as one set. Stable delivery planning: suits annual framework purchasing and multi-plant stocking coordination. Application support: a supplier producing both understands how DMT and EG specifications interact in a polyester customer's process. Frequently Asked Questions Q1: Why can DMT and EG be co-produced? The chemical methanolysis process uses waste PET and methanol as feedstock: PET + 2 CH₃OH → DMT + EG. In theory, every tonne of DMT produced also yields 0.32 tonnes of EG. ResourceCycle's actual capacity ratio is 5,000 t DMT to 1,600 t EG. Q2: What is the commercial value of co-produced supply? It lets customers source two polyester monomers from a single origin — lowering logistics cost, simplifying supplier management, and improving ESG consistency because both sit inside the same product carbon footprint system. That matters most to PET resin and polyester fibre producers who need both. Q3: How does co-produced EG compare with conventional ethylene-based EG? Purity ≥99.9%, colour ≤5 APHA, moisture ≤0.1%, aldehydes ≤10 ppm — equivalent to virgin ethylene-based EG, and usable directly in bottle-grade and fibre-grade PET resin synthesis. Q4: Can co-produced EG be bought on its own? Yes. It is sold independently into PET, polyester fibre, automotive antifreeze, unsaturated polyester resin (UPR) and polyether polyol applications. Minimum order is 1 tonne, with steel drum, IBC and ISO tank packaging available. Q5: How do I purchase DMT and EG together? Send the ResourceCycle commercial team the specification for each, your annual volume and destination port. A co-production framework agreement can then be structured with combined pricing, aligned lead times and a single set of COA, MSDS and carbon footprint documentation. Related Reading Dimethyl Terephthalate (DMT, CAS 120-61-6) — specifications, MSDS / COA Ethylene Glycol (EG / MEG, CAS 107-21-1) — specifications, MSDS / COA Chemical methanolysis DMT process and core technology DMT / EG market outlook and brand recycled-plastic commitments Policy: chemical recycling as a strategic emerging industry Case studies: Zhejiang University joint research centre and the Huanggang project Contact sales — DMT quotation, samples, COA requests About ResourceCycle Ruisaike (Hangzhou) New Materials Co., Ltd. is a chemical-process manufacturer of DMT and ethylene glycol. Annual capacity is 5,000 tonnes of DMT plus 1,600 tonnes of ethylene glycol, at purity ≥99.9% — meeting polyester-grade virgin material standards. The company operates a joint research centre with Zhejiang University, holds 12 core patents, and is certified to ISO 14001 and ISO 9001. Products serve PBT, PETG, PCTG, PET resin, polyester fibre, polyester coatings, automotive antifreeze and unsaturated polyester resin. Domestic road freight and sea export are both supported (EXW / FOB / CIF / DAP), with a 1-tonne minimum order, 7–30 day lead times, custom COA, sample requests and ESG documentation support. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags ethylene glycol co-production DMT DMT and EG supply Dimethyl Terephthalate manufacturer high-purity DMT polyester-grade DMT ethylene glycol supplier DMT monomer for PET resin Buy Dimethyl Terephthalate in bulk China Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Technology June 2, 2026 Chemical Recycling of Polyester Fiber Waste: From Waste Polyester to High-Purity DMT and Ethylene Glycol ResourceCycle explains the four-step chemical recycling process for polyester fiber (polyester textile) waste — pre-treatment, methanolysis depolymerization, DMT and ethylene glycol separation — producing polyester-grade raw materials with purity ≥99.9% from discarded textiles. Read more 02 Technology May 21, 2026 Low-Temperature Atmospheric Methanolysis of PET to Polymer-Grade DMT: ResourceCycle's New-Quality-Productivity Process Breakthrough ResourceCycle and the Zhejiang University Green Carbon Joint Research Center have developed a disruptive process that completes PET chemical depolymerisation at 64.5 °C atmospheric reflux — achieving 99.2% PET conversion, 99.5% DMT selectivity, 99.75% product purity, 60%+ capex reduction, 45-50% energy savings, with kiloton-per-year commercial operation. Read more 03 Technology May 13, 2026 ResourceCycle as a Low-Carbon DMT Co-Development Platform for Global Closed-Loop Polyester Partnerships Global brands are moving material decisions upstream to the polyester monomer level. With high-purity DMT production, methanolysis R&D and closed-loop material platform capabilities, ResourceCycle is positioned for exclusive joint development programs and long-term pre-purchase agreements. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/13 Title: DMT Supplier Compliance Checklist: ISO 14001, COA, MSDS Description: Beyond price and purity: how to audit a DMT supplier on hazardous-chemical management, ISO 14001, COA/MSDS and batch traceability. Home Technology Products Solutions News About Contact 中文 Home / En / News / DMT Supplier Compliance Review Guide: Hazardous Chemical Management, ISO 14001 and COA/MSDS Documents Industry Trends DMT Supplier Compliance Review Guide: Hazardous Chemical Management, ISO 14001 and COA/MSDS Documents DMT procurement should review not only price and purity, but also supplier compliance, hazardous chemical management, ISO 14001, COA/MSDS documents and batch traceability. August 22, 2025 · 4 min read TL;DR DMT procurement should review not only price and purity, but also supplier compliance, hazardous chemical management, ISO 14001, COA/MSDS documents and batch traceability. Keywords: DMT supplier compliance · ISO 14001 · COA MSDS · hazardous chemical management · batch traceability Why Supplier Compliance Is a Procurement Risk, Not a Formality Dimethyl Terephthalate (DMT, CAS 120-61-6) is a chemical raw material, and selecting a supplier on price, purity and lead time alone leaves real exposure. Hazardous-chemical management, environmental compliance, quality documentation and batch traceability all belong in the assessment. A supplier weak on compliance can hand you supply interruption, missing paperwork, a failed customer audit, or an export problem. What to review during supplier qualification Document What to check Why it matters COA Purity, acid value, colour, ash, iron content, moisture Evidence of batch quality stability MSDS Hazards, storage, transport, emergency response Supports your own EHS review System certification ISO 14001, quality and safety management documentation Reduces long-term partnership risk Hazardous chemical management in production and logistics Producing, storing, handling and transporting chemical feedstock carries a range of EHS obligations. A supplier needs proper warehousing, fire protection, anti-static measures, spill containment and emergency response in place to deliver DMT, ethylene glycol and related chemicals safely. Fire, explosion, anti-static and spill-collection facilities per applicable regulation Combustible gas alarm systems installed Major hazard source declaration where stored quantities exceed threshold ResourceCycle's Huanggang plant holds Level 2 Work Safety Standardisation certification and operates a documented hazardous chemical management system. Environmental permitting Wastewater: process wastewater treated per the discharge permit and industrial park requirements. Air emissions: point-source emissions collected, treated and discharged to standard. Solid waste: general and hazardous waste segregated, managed and logged. How ResourceCycle handles it The company operates a certified ISO 14001 environmental management system : Regular environmental compliance audits Proactive communication with regulators Environmental impact assessment (EIA) and safety assessment (SA) completed before any new project starts construction Every production stage operated inside the applicable legal framework Procurement advice : when qualifying a DMT supplier, assess sample quality, COA/MSDS documentation, environmental compliance, supply stability and commercial responsiveness together. ResourceCycle can provide the product and supplier documentation your audit process requires. Frequently Asked Questions Q1: Is DMT classified as a hazardous chemical, and what credentials are needed? DMT is not a first-tier hazardous chemical under China's Catalogue of Hazardous Chemicals, though some provinces require general chemical registration. Producers need ISO 9001 / 14001 / 45001 certification, a work safety licence, EIA approval and a discharge permit. Export requires bilingual MSDS and customs HS code 29173600. Q2: Is ISO 14001 mandatory for a DMT supplier? Brand green procurement programmes — Coca-Cola, Nike, L'Oréal among them — require ISO 14001 environmental certification upstream. ResourceCycle holds both ISO 14001 and ISO 9001, with complete system documentation available for customer audit. Q3: Who issues the DMT COA and MSDS? The COA is issued by the manufacturer's laboratory or a commissioned third-party laboratory, separately for each batch. The MSDS is prepared by the manufacturer per GB/T 16483 and ISO 11014, and updated every three years. ResourceCycle provides both before contract signature. Q4: What are the key compliance checks when buying DMT? Business licence and production permit; work safety licence; EIA and discharge permit; ISO 14001 / 9001 / 45001 certificates; complete MSDS and COA; hazardous chemical transport qualification; feedstock and product traceability records; and a clean environmental and safety enforcement record over the last 12 months. Q5: How do you audit a supplier's batch traceability? Ask for the per-batch COA, feedstock lot number, production date, process parameter records, raw analytical data, the retained-sample policy and the non-conforming product procedure. ResourceCycle supports both on-site and remote brand-owner audits. Related Reading Dimethyl Terephthalate (DMT, CAS 120-61-6) — specifications, MSDS / COA Ethylene Glycol (EG / MEG, CAS 107-21-1) — specifications, MSDS / COA Chemical methanolysis DMT process and core technology DMT / EG market outlook and brand recycled-plastic commitments Policy: chemical recycling as a strategic emerging industry Case studies: Zhejiang University joint research centre and the Huanggang project Contact sales — DMT quotation, samples, COA requests About ResourceCycle Ruisaike (Hangzhou) New Materials Co., Ltd. is a chemical-process manufacturer of DMT and ethylene glycol. Annual capacity is 5,000 tonnes of DMT plus 1,600 tonnes of ethylene glycol, at purity ≥99.9% — meeting polyester-grade virgin material standards. The company operates a joint research centre with Zhejiang University, holds 12 core patents, and is certified to ISO 14001 and ISO 9001. Products serve PBT, PETG, PCTG, PET resin, polyester fibre, polyester coatings, automotive antifreeze and unsaturated polyester resin. Domestic road freight and sea export are both supported (EXW / FOB / CIF / DAP), with a 1-tonne minimum order, 7–30 day lead times, custom COA, sample requests and ESG documentation support. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags DMT supplier compliance Dimethyl Terephthalate supplier ISO 14001 DMT MSDS DMT COA report CAS 120-61-6 supplier Reliable chemical intermediate manufacturer China port hazardous chemical management Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Industry Trends November 12, 2025 DMT Procurement Guide: How to Choose Solid Flake, Briquette and Liquid Dimethyl Terephthalate Compare DMT solid flake, briquette and liquid forms across packaging, transport, feeding, storage and downstream applications to support procurement decisions for PBT, PET and PETG customers. Read more 02 Industry Trends August 22, 2025 DMT Supplier Compliance Review Guide: Hazardous Chemical Management, ISO 14001 and COA/MSDS Documents DMT procurement should review not only price and purity, but also supplier compliance, hazardous chemical management, ISO 14001, COA/MSDS documents and batch traceability. Read more 03 Industry Trends April 10, 2025 Recycled Materials Policy Drives Low-Carbon Polyester Raw Materials: Opportunities for DMT Suppliers China's policy support for recycled materials and low-carbon industries creates long-term opportunities for low-carbon DMT, polyester-grade Dimethyl Terephthalate and high-quality polyester raw material supply chains. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/14 Title: Low-Carbon DMT and Scope 3 Disclosure for ESG Reporting Description: Scope 3 accounting, product carbon footprint, COA/MSDS and green supply-chain audits — how low-carbon DMT supports your ESG disclosure. Home Technology Products Solutions News About Contact 中文 Home / En / News / ESG Value of DMT Supply Chains: How Low-Carbon Dimethyl Terephthalate Supports Scope 3 Disclosure Green Carbon ESG Value of DMT Supply Chains: How Low-Carbon Dimethyl Terephthalate Supports Scope 3 Disclosure From Scope 3 accounting, product carbon footprint, COA/MSDS, batch traceability and green supply-chain audits, learn how low-carbon DMT suppliers support ESG disclosure for PBT, PET and PETG customers. July 30, 2025 · 3 min read TL;DR From Scope 3 accounting, product carbon footprint, COA/MSDS, batch traceability and green supply-chain audits, learn how low-carbon DMT suppliers support ESG disclosure for PBT, PET and PETG customers. Keywords: Scope 3 · ESG disclosure · DMT carbon footprint · ISCC PLUS · green supply chain What Quantifiable ESG Value Looks Like from a DMT Supplier Under global ESG pressure, brands, retailers and manufacturers face increasingly firm supply-chain decarbonisation requirements. For PBT, PET, PETG, packaging and polyester fibre producers, the carbon footprint, quality documentation and batch traceability of upstream monomers such as DMT and EG have become a standard part of what brand customers audit. Three dimensions of quantifiable green value Dimension Figure What it does for the customer Carbon reduction (Scope 3) −1.63 t CO₂ per tonne Low-carbon DMT supply-chain data supports upstream Scope 3 accounting Compliance certification 30%–65% COA, MSDS, batch traceability and carbon documentation get the customer through brand audit Supply chain transparency Traceable Batch-level quality and delivery records feed supply-chain management and annual review ESG compliance timeline Milestone EU PPWR requirement ResourceCycle R-DMT 2030 ≥30% recycled content in PET beverage bottles Fully compliant 2040 ≥65% recycled content in PET beverage bottles Fully compliant Digital carbon tracking ResourceCycle is building a digital carbon tracking platform giving customers real-time access to: Carbon footprint data — traceable per batch Feedstock origin certification — full chain of custody Emission reduction reporting — third-party verified Low-carbon DMT is not a marketing label. It is the combined output of quality capability, data capability, supply capability and documentation capability. ResourceCycle works with PBT, PET, PETG, coating resin and polyester fibre customers to build a green supply chain that survives re-verification. Frequently Asked Questions Q1: What is Scope 3, and why does DMT procurement fall inside it? Scope 3 covers indirect greenhouse gas emissions as defined by the GHG Protocol, across 15 categories. DMT procurement sits in Category 1, "purchased goods and services" — the upstream emissions attributable to a downstream PBT, PETG or PET producer buying DMT. Q2: How does low-carbon DMT reduce a customer's Scope 3? With an ISO 14067 product carbon footprint (PCF) and an ISCC PLUS mass balance certificate, a downstream customer can replace the default emission factor in Scope 3 Category 1 with ResourceCycle's measured low-carbon data, materially reducing disclosed emissions. Chemically recycled DMT carries a PCF 60–70% below the virgin route. Q3: What documentation does a DMT supplier need to provide for ESG disclosure? A complete package: ISO 14067 product carbon footprint report, ISCC PLUS certificate, feedstock chain of custody, ISO 14001 system certificate, environmental performance report, social responsibility statement, per-batch COA and MSDS, and third-party verification certificates. Q4: What do brand green supply-chain audits focus on? ① Upstream feedstock origin — is it genuinely recycled? ② Quantified product carbon footprint with third-party verification. ③ Environmental compliance and enforcement record at the production site. ④ Labour and social responsibility (SA8000). ⑤ Anti-corruption and business ethics. ⑥ Disclosure transparency — CDP, GRI and TCFD reporting. Related Reading Dimethyl Terephthalate (DMT, CAS 120-61-6) — specifications, MSDS / COA Ethylene Glycol (EG / MEG, CAS 107-21-1) — specifications, MSDS / COA Chemical methanolysis DMT process and core technology DMT / EG market outlook and brand recycled-plastic commitments Policy: chemical recycling as a strategic emerging industry Case studies: Zhejiang University joint research centre and the Huanggang project Contact sales — DMT quotation, samples, COA requests About ResourceCycle Ruisaike (Hangzhou) New Materials Co., Ltd. is a chemical-process manufacturer of DMT and ethylene glycol. Annual capacity is 5,000 tonnes of DMT plus 1,600 tonnes of ethylene glycol, at purity ≥99.9% — meeting polyester-grade virgin material standards. The company operates a joint research centre with Zhejiang University, holds 12 core patents, and is certified to ISO 14001 and ISO 9001. Products serve PBT, PETG, PCTG, PET resin, polyester fibre, polyester coatings, automotive antifreeze and unsaturated polyester resin. Domestic road freight and sea export are both supported (EXW / FOB / CIF / DAP), with a 1-tonne minimum order, 7–30 day lead times, custom COA, sample requests and ESG documentation support. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags DMT ESG low-carbon DMT Scope 3 DMT carbon footprint green supply chain Dimethyl Terephthalate supplier polyester-grade DMT DMT COA report Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Market Outlook May 11, 2026 2026 Global Supply Chain Reshaping: DMT Market Outlook, Price Trends & China Sourcing Strategy An in-depth analysis of the 2026 DMT global supply-demand landscape transformation — from macro market outlook, PX-DMT cost transmission mechanisms, and PTA substitution dynamics to China's integrated advantages and low-cost sourcing strategies, providing supply chain executives with a strategic and actionable intelligence guide. Read more 02 Green Carbon December 8, 2025 Low-Carbon DMT Carbon Footprint: How Polyester-Grade Dimethyl Terephthalate Supply Chains Reduce Scope 3 Emissions Using ISO 14067 and LCA principles, this article explains how polyester-grade DMT suppliers can manage carbon footprint across raw materials, production, energy and logistics for PBT, PET and PETG customers. Read more 03 Green Carbon July 30, 2025 ESG Value of DMT Supply Chains: How Low-Carbon Dimethyl Terephthalate Supports Scope 3 Disclosure From Scope 3 accounting, product carbon footprint, COA/MSDS, batch traceability and green supply-chain audits, learn how low-carbon DMT suppliers support ESG disclosure for PBT, PET and PETG customers. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/15 Title: Global DMT Competition: China Suppliers' Advantages Description: Global DMT and low-carbon polyester feedstock competition, and where Chinese suppliers win on price, capacity, documentation and delivery. Home Technology Products Solutions News About Contact 中文 Home / En / News / Global DMT and Low-Carbon Polyester Raw Material Competition: Opportunities for Chinese Dimethyl Terephthalate Suppliers Market Front Global DMT and Low-Carbon Polyester Raw Material Competition: Opportunities for Chinese Dimethyl Terephthalate Suppliers Analyzing global DMT, low-carbon polyester raw materials, PBT/PETG applications and China's chemical supply-chain advantages in price, capacity, quality documents and delivery efficiency. June 20, 2025 · 2 min read TL;DR Analyzing global DMT, low-carbon polyester raw materials, PBT/PETG applications and China's chemical supply-chain advantages in price, capacity, quality documents and delivery efficiency. Keywords: global DMT market · DMT competition · Chinese DMT supplier · Dimethyl Terephthalate market outlook · DMT price trend The Competitive Picture for DMT and Low-Carbon Polyester Feedstock The global polyester industry is shifting away from pure cost competition toward a combined contest over quality, carbon, delivery and supply-chain transparency. As a key input to PBT, PETG, specialty polyester and coating resins, DMT is regaining attention from downstream buyers. European and North American players Company Technology route Position Loop Industries (Netherlands) Low-temperature methanolysis (Low Energy LOOP™) Supply agreements signed with several brand owners Carbios (France) Enzymatic biorecycling Strategic investment from Coca-Cola and L'Oréal; mild low-temperature conditions Plastic Energy (UK) Pyrolysis Several commercial plants built PureCycle (US) Pyrolysis Focused on ultra-pure recycled PP The Asian landscape Teijin (Japan) : established a PET chemical recycling system as early as the 2000s, with annual processing capacity above 100,000 tonnes — the largest globally SK Innovation (South Korea) : entered waste plastic recycling via pyrolysis oil, feeding that oil into its own ethylene crackers India : a major source of global waste plastic exports, on the strength of a large collection network and low labour cost Where Chinese DMT suppliers fit China has a complete polyester, PBT, PETG and engineering plastics value chain Downstream demand for high-purity DMT, COA/MSDS documentation and reliable delivery keeps rising Chinese suppliers hold advantages in cost, lead time, port logistics and responsiveness on customised requirements The low-carbon polyester feedstock trend opens a new growth line for DMT suppliers ResourceCycle and other Chinese producers are competing in the global polyester feedstock supply chain on DMT production capability, EG co-production, quality documentation and commercial responsiveness. Where competition is heading Technical differentiation alone no longer builds a durable barrier. The dimensions that decide long-term position are moving: Capacity : reliable DMT and EG supply Quality : purity, colour, acid value and COA consistency Customers : depth of relationship with PBT, PET, PETG and coating resin producers Carbon : ability to supply carbon footprint and ESG documentation ResourceCycle is building on each: Capacity — advancing the Huanggang DMT and ethylene glycol production base Quality — strengthening COA/MSDS, batch traceability and analytical systems Customers — serving PBT, PETG, polyester fibre and packaging materials companies Carbon — continuing to build out carbon footprint and green supply-chain documentation The ResourceCycle View: Global Competition Comes Back to Reliable Supply International customers looking for a DMT supplier care about price, but also about stable quality, dependable delivery, complete documentation and communication efficiency. ResourceCycle will keep working on high-purity DMT, EG co-production, bulk supply and customised service — which is how a Chinese Dimethyl Terephthalate supplier earns a position in the global market. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags global DMT market DMT competition Chinese DMT supplier Dimethyl Terephthalate market outlook DMT price trend ICIS Dimethyl Terephthalate price trend Europe Global CEH Dimethyl Terephthalate Terephthalic Acid Abstract DMT spot market prices forecasting Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Market Outlook May 11, 2026 2026 Global Supply Chain Reshaping: DMT Market Outlook, Price Trends & China Sourcing Strategy An in-depth analysis of the 2026 DMT global supply-demand landscape transformation — from macro market outlook, PX-DMT cost transmission mechanisms, and PTA substitution dynamics to China's integrated advantages and low-cost sourcing strategies, providing supply chain executives with a strategic and actionable intelligence guide. Read more 02 Green Carbon December 8, 2025 Low-Carbon DMT Carbon Footprint: How Polyester-Grade Dimethyl Terephthalate Supply Chains Reduce Scope 3 Emissions Using ISO 14067 and LCA principles, this article explains how polyester-grade DMT suppliers can manage carbon footprint across raw materials, production, energy and logistics for PBT, PET and PETG customers. Read more 03 Green Carbon July 30, 2025 ESG Value of DMT Supply Chains: How Low-Carbon Dimethyl Terephthalate Supports Scope 3 Disclosure From Scope 3 accounting, product carbon footprint, COA/MSDS, batch traceability and green supply-chain audits, learn how low-carbon DMT suppliers support ESG disclosure for PBT, PET and PETG customers. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/16 Title: What Is DMT? The Monomer Behind High-Value Polyester Description: An in-depth look at DMT — how it differs from PTA, and why it stays irreplaceable in PBT, optical PET film and medical-grade PETG. Home Technology Products Solutions News About Contact 中文 Home / En / News / In-Depth Analysis of Dimethyl Terephthalate (DMT): The Core Driver of the Modern High-Value-Added Polyester Industry Technology In-Depth Analysis of Dimethyl Terephthalate (DMT): The Core Driver of the Modern High-Value-Added Polyester Industry This article provides an in-depth analysis of DMT, comparing its process differences with PTA, and detailing its irreplaceability in high-value-added application fields with high purity and optical requirements, such as PBT, special PET films, and medical-grade PETG. May 10, 2026 · 5 min read TL;DR This article provides an in-depth analysis of DMT, comparing its process differences with PTA, and detailing its irreplaceability in high-value-added application fields with high purity and optical requirements, such as PBT, special PET films, and medical-grade PETG. Keywords: DMT · Dimethyl Terephthalate · high-value polyester · PBT · PETG 1. Core Definition: Chemical Identity and Industry Chain Position of DMT Dimethyl terephthalate (industrially referred to as DMT , CAS Number: 120-61-6 ) is one of the most core basic monomers in the modern polyester industry. Structurally, it is the dimethyl ester derivative of terephthalic acid, usually appearing as white crystalline powder or flakes at room temperature. In the macro industry chain, DMT plays a crucial connecting role. Its upstream connects to basic petrochemical products (such as para-xylene and methanol), while its downstream points directly to several extremely important polymer materials, primarily including: PET (Polyethylene Terephthalate) : Widely used in beverage packaging, high-end films, and specialty textiles. PBT (Polybutylene Terephthalate) : High-performance engineering plastics dominating electrical insulation and automotive electronics. PTT (Polytrimethylene Terephthalate) : Specialty fiber materials with excellent resilience. PETG (Copolyester) : Highly transparent and tough specialty modified polyesters, widely used in medical and high-end packaging. Although its market share in general commodity textiles has been historically challenged by other routes, DMT remains the core leader in specialty materials demanding high purity, high optical requirements, and uniform molecular structure . Ruisaike perspective: Ruisaike specializes in high-purity Dimethyl Terephthalate (DMT) production through chemical process technology, with product purity of ≥99.9% for polyester-grade applications. For customers in PBT, PET resin, PETG copolyester and specialty polyester films, Ruisaike provides not only DMT supply, but also COA documentation, MSDS safety data and sample validation support. 2. Technical Comparison: Three Core Advantages of DMT over PTA In industrial practice and plant design, the choice of raw materials often determines the process direction and product quality limit. There are two main technical routes for polyester synthesis: the transesterification route using DMT, and the direct esterification route using purified terephthalic acid ( PTA ). For specific high-value-added materials, DMT has significant and irreplaceable advantages in the following three physical and chemical properties: 1. Easy Handling of By-Products Ensuring Catalyst Activity DMT Route (Transesterification) : When DMT reacts with diols, the by-product released is methanol . In industrial plants, methanol is easily extracted and recycled through distillation towers. This mild separation process does not disrupt the chemical equilibrium in the reactor. PTA Route (Direct Esterification) : PTA reacts directly with diols, producing water as a by-product. At high temperatures, steam is not only difficult to extract completely, but it also causes certain water-sensitive specialty catalysts (such as titanium-based catalysts) to hydrolyze and deactivate, significantly reducing the conversion rate. 2. Extremely High Purification Limit Achieving Ultimate Optical Purity Purification Advantage of DMT : Due to its distinct and relatively low melting and boiling points, DMT is extremely suitable for deep purification through vacuum distillation or multiple crystallization processes. Industrial-grade DMT purified through multi-stage distillation can easily achieve a purity of 99.9% or higher. Purification Bottleneck of PTA : Conversely, PTA has an extremely high melting point, sublimates directly when heated, and is extremely difficult to dissolve in most conventional solvents, making its purification highly energy-intensive and challenging. Ruisaike execution capability: The advantages of the DMT route are meaningful only when supported by stable batch quality. Ruisaike focuses on key indicators such as purity, color, acid value, ash and moisture to help downstream customers reduce risks in trial failure, color fluctuation and polymerization instability. 3. Excellent System Solubility Ensuring Highly Uniform Liquid-Phase Reactions Homogeneous Reaction of DMT : DMT is highly soluble in common diols at elevated temperatures. This homogeneous reaction ensures that polymers synthesized have a very narrow molecular weight distribution and highly consistent structure. Heterogeneous Reaction of PTA : PTA is poorly soluble in diols, often presenting as a "solid-liquid" slurry mixture in the initial reaction stage, easily leading to side reactions. 3. Terminal Scenarios: Three Irreplaceable Application Fields Dominated by DMT 1. PBT Engineering Plastics: Solid Barriers for Automotive Electronics and Fiber Optic Communications When producing PBT (polybutylene terephthalate), the high solubility of DMT in butanediol guarantees a perfect liquid-phase homogeneous reaction. The PBT homopolymers produced using DMT have excellent batch-to-batch performance consistency, perfectly meeting the insulation requirements of over 150°C high temperatures, and are widely used in electronic connectors under automotive hoods, high-voltage wiring harness sheaths of new energy vehicles, and loose tubes of deep-sea optical fibers. Relevance to Ruisaike products: PBT customers typically focus on DMT purity, acid value, moisture and delivery stability. Ruisaike can provide polyester-grade DMT samples, batch quality documents and customized supply solutions for PBT engineering plastic customers during lab trials, pilot validation and commercial introduction. 2. Specialty Polyester Films: Solving the "Carboxyl Residue" Pain Point to Challenge Optical Limits In incomplete direct esterification, the ends of PTA polymer chains often retain unreacted carboxyl groups, which can easily trigger thermal-oxidative degradation leading to film yellowing. The DMT route fundamentally avoids this problem. Specialty PET films synthesized via DMT transesterification have almost no carboxyl residues, easily meeting the strict requirements of optical display modules for a light transmittance greater than 90%. 3. PETG Copolyester: The Preferred Precursor for Medical-Grade Packaging Materials Medical device packaging materials must withstand rigorous sterilization processes without yellowing or becoming brittle. Synthesizing PETG requires ensuring the comonomers are absolutely randomly distributed to destroy the crystallization capability. The transesterification reaction rate of DMT is mild and highly controllable, making it the undisputed preferred precursor for synthesizing non-toxic, highly transparent, and radiation-sterilization-resistant top-tier medical packaging. Supply chain recommendation: For premium PETG, specialty PET film and medical packaging manufacturers, DMT supplier screening should include product indicators, COA, MSDS, sample batch consistency and long-term supply capability. Ruisaike can support sample testing, process matching and long-term framework cooperation based on its high-purity DMT production capability. 4. Conclusion and Actionable Advice In high-value-added tracks such as PBT engineering plastics, specialty polyester films , and high-end medical-grade PETG , DMT continues to play an irreplaceable key role by virtue of its three core advantages: mild by-products, extremely high purity, and excellent system solubility. For quality control in related supply chains, we recommend explicitly including "whether the base material is synthesized via the DMT route" and "carboxyl end group (CEG) content indicators" in the key evaluation dimensions to mitigate reliability risks from the source. For Ruisaike, the long-term value of DMT is not limited to single-product sales. It lies in entering higher-value polyester supply chains through stable chemical-process production, polyester-grade quality control and technical collaboration with downstream applications. Ruisaike will continue strengthening its capabilities around high-purity DMT, PBT raw material DMT, PET resin DMT monomer and specialty polyester applications. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags DMT Dimethyl Terephthalate high-value polyester PBT PETG specialty PET film Dimethyl Terephthalate market research report ICIS Dimethyl Terephthalate price trend Europe Global CEH Dimethyl Terephthalate Terephthalic Acid Abstract DMT spot market prices forecasting 对苯二甲酸二甲酯市场报告 对苯二甲酸二甲酯 2026 价格走势 中国市场 Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Technology June 2, 2026 Chemical Recycling of Polyester Fiber Waste: From Waste Polyester to High-Purity DMT and Ethylene Glycol ResourceCycle explains the four-step chemical recycling process for polyester fiber (polyester textile) waste — pre-treatment, methanolysis depolymerization, DMT and ethylene glycol separation — producing polyester-grade raw materials with purity ≥99.9% from discarded textiles. Read more 02 Technology May 21, 2026 Low-Temperature Atmospheric Methanolysis of PET to Polymer-Grade DMT: ResourceCycle's New-Quality-Productivity Process Breakthrough ResourceCycle and the Zhejiang University Green Carbon Joint Research Center have developed a disruptive process that completes PET chemical depolymerisation at 64.5 °C atmospheric reflux — achieving 99.2% PET conversion, 99.5% DMT selectivity, 99.75% product purity, 60%+ capex reduction, 45-50% energy savings, with kiloton-per-year commercial operation. Read more 03 Technology May 13, 2026 ResourceCycle as a Low-Carbon DMT Co-Development Platform for Global Closed-Loop Polyester Partnerships Global brands are moving material decisions upstream to the polyester monomer level. With high-purity DMT production, methanolysis R&D and closed-loop material platform capabilities, ResourceCycle is positioned for exclusive joint development programs and long-term pre-purchase agreements. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/17 Title: DMT (CAS 120-61-6) Procurement and Spec Review Guide Description: DMT properties, purity >99.9%, the three physical forms and where each fits, PBT downstream chains, plus how to review supplier COA and MSDS. Home Technology Products Solutions News About Contact 中文 Home / En / News / Complete Procurement and Technical Specification Review Guide for Dimethyl Terephthalate (CAS 120-61-6) Technology Complete Procurement and Technical Specification Review Guide for Dimethyl Terephthalate (CAS 120-61-6) This article comprehensively dissects DMT physical properties, purity indicators (>99.9%), matching scenarios for three physical forms (solid flake/briquette/liquid), PBT downstream application conversion chains, and COA and MSDS supplier review mechanisms, providing systematic reference for procurement engineers. May 11, 2026 · 8 min read TL;DR This article comprehensively dissects DMT physical properties, purity indicators (>99.9%), matching scenarios for three physical forms (solid flake/briquette/liquid), PBT downstream application conversion chains, and COA and MSDS supplier review mechanisms, providing systematic reference for procurement engineers. Keywords: DMT · Dimethyl Terephthalate · CAS 120-61-6 · PBT · COA Part 1: Core Chemical Identity and Basic Technical Specifications (CAS 120-61-6) When engineers search for materials, the first step is to use CAS 120-61-6 . This is the unique "ID number" for dimethyl terephthalate in global chemical databases. Using the CAS number for searches eliminates language barriers and trade name ambiguities in cross-border procurement. The systematic name for DMT is Dimethyl 1,4-benzene dicarboxylate . Mastering its basic chemical and physical specifications is a prerequisite for supply chain benchmarking. Basic Physicochemical Parameters of DMT: Molecular Formula : C₁₀H₁₀O₄ Molecular Weight : 194.19 g/mol Melting Point : 140 °C to 142 °C. This temperature range directly determines the design standards for factory heating systems. Boiling Point : 288 °C. Flash Point : 153 °C. This indicator is the core basis for factory fire safety classification. Solubility : DMT is insoluble in water. It is slightly soluble in diethyl ether and soluble in chloroform and hot ethanol. When engineers search for "CAS 120-61-6 supplier," they are not merely looking for a supply channel—they are looking for a manufacturing facility that can fully meet the above Dimethyl 1,4-benzene dicarboxylate specifications . Even the slightest deviation in any parameter will lead to polymerization failure in the subsequent transesterification reactor. Ruisaike perspective: Ruisaike specializes in high-purity Dimethyl Terephthalate (DMT, CAS 120-61-6) production through chemical process technology, with product purity of ≥99.9% for PBT engineering plastics, PET resin, PETG copolyesters and polyester-grade applications. For procurement engineers, selecting a DMT supplier requires more than CAS matching; it requires batch quality control, COA, MSDS and long-term delivery capability. Part 2: The Lifeline of High-End Manufacturing — DMT Purity Parameter Analysis (>99.9%) In the production of polyesters and engineering plastics, the purity of raw materials directly determines the molecular weight, color, and mechanical strength of the finished product. Therefore, "DMT purity parameter >99.9%" is a hard standard that must be met in high-end manufacturing. Why Must Purity Reach >99.9%? In transesterification and polycondensation reactions, trace impurities can trigger extremely severe chain reactions. The most common impurities in DMT include p-Toluic acid methyl ester, dimethyl isophthalate (DMI), and dimethyl terephthalate isomers. If impurity content exceeds 0.1%, the following problems occur: Chain Termination : Monofunctional impurities (such as p-Toluic acid methyl ester) can block the end groups of polymer molecules, preventing macromolecular chains from growing further. The resulting plastic becomes very brittle. Color Degradation : Certain specific impurities undergo carbonization or oxidation during high-temperature polymerization, causing the final polyester product to yellow. Yellowed materials cannot be used for optical-grade films or high-end textile fibers. Reduced Weather Resistance : Impurities remaining in the polymer lattice become weak points for UV attack, causing plastic products to age rapidly during use. Core Technical Indicator Requirements: Color (Hazen / APHA) : Typically required to be less than 15. The lower the value, the clearer and more transparent the color. Acid Value (mg KOH/g) : Must be strictly controlled below 0.02. An excessively high acid value indicates the presence of free carboxyl groups, which seriously interfere with catalyst activity. Freezing Point (°C) : Must be greater than or equal to 140.6 °C. The freezing point is the most direct macroscopic physical indicator for measuring organic purity. Ruisaike quality focus: For high-end polyester customers, DMT purity, acid value, color, moisture and ash content are key thresholds for lab trials, pilot validation and commercial use. Ruisaike can provide samples, product specifications and batch test documents according to customer project stages. Part 3: Physical Form and Factory Process Matching DMT is solid at room temperature but can transform into liquid at specific temperatures. Procurement engineers search with strong form-specific keywords to match their factory's existing material conveyor belts, storage tanks, and reactor feed ports. (1) Dimethyl Terephthalate Solid Flake This is the most common form in international trade circulation. Advantages and Matching Scenarios: Convenient for Long-Distance Shipping : Solid flakes can be packed in 25kg paper bags or 500kg/1000kg FIBC bags without requiring special insulated heating containers. Compatible with Conveyor Belt Feeding Systems : Most small and medium-sized downstream chemical plants are equipped with solid material conveyor belts or screw conveyors. Flake material flows well and does not easily jam. Dust Control : Compared to fine powder, the flake form generates minimal dust during pouring and feeding, significantly reducing the risk of dust explosions in the workshop. (2) DMT Briquette Briquettes are produced by physically compressing powdered or small-chip DMT into blocks of specific sizes. Advantages and Matching Scenarios: Extreme Anti-Caking Requirements : In hot and humid transport environments (such as maritime shipping across the equator), small flake materials may stick together due to slight surface melting. The briquette form reduces inter-particle contact area, greatly lowering the risk of caking. Specific Reactor Discharge Flow Rate : Some older reactor grate designs only allow larger-volume briquettes to slowly drop and melt, controlling the initial reaction rate. (3) Liquid DMT This form primarily targets a small number of integrated pipeline customers. Advantages and Matching Scenarios: Eliminating Secondary Heating Costs : If the supplier and buyer are in close proximity (e.g., within the same large chemical park), directly delivering liquid DMT above 150°C through insulated pipelines can save the buyer enormous steam heating costs. Continuous Large-Scale Production : The liquid form is extremely suitable for highly automated, round-the-clock continuous operation of giant polymerization units. Mass flow meters enable extremely precise liquid feed control with errors far smaller than solid weighing. Procurement recommendation: DMT form selection depends on each plant's feeding system, storage conditions and transport radius. Ruisaike can help customers evaluate packaging, handling and delivery requirements and establish stable communication mechanisms for batch supply. Part 4: Downstream Application — Polybutylene Terephthalate (PBT) Raw Material PBT is a high-performance engineering plastic with excellent electrical insulation, chemical resistance, and fast molding characteristics. It is widely used in automotive electronic connectors, energy-saving lamp housings, and optical fiber protection tubes. Core Conversion Chain of DMT in PBT Production: There are two main industrial routes for PBT production: direct esterification (PTA method) and transesterification (DMT method). Since the direct esterification method requires extremely high temperatures and complex catalytic systems and easily produces by-products such as tetrahydrofuran (THF), the DMT transesterification route remains the mainstream choice for producing high-quality PBT . Transesterification Stage : DMT with purity >99.9% and 1,4-butanediol (BDO) undergo transesterification at 160°C - 200°C in the presence of catalysts such as tetrabutyl titanate, producing bis(hydroxybutyl) terephthalate (BHBT) and releasing methanol. Polycondensation Stage : As the reaction system temperature continues to rise (reaching approximately 250°C) and gradually enters high vacuum, BHBT undergoes polycondensation, with molecular chains continuously growing, ultimately forming high molecular weight PBT melt. Since PBT is extensively used in the automotive and electronics industries where reliability requirements are extremely high, the purity and moisture requirements for the upstream raw material DMT are exceptionally stringent. Any microscopic imbalance in formulation can cause PBT injection-molded parts to crack under extreme conditions. Relevance to Ruisaike products: Ruisaike's polyester-grade DMT can serve PBT raw material needs. For customers in new energy vehicle connectors, electronic components and high-end engineering plastics, Ruisaike can provide high-purity DMT samples, COA documentation and technical communication support to help customers reduce raw material volatility risk during the introduction phase. Part 5: Supplier Filtering Mechanism — COA and MSDS On professional chemical industry platforms, after buyers find suppliers through core keywords, the key conversion action is document review. COA and MSDS are the "litmus test" for verifying a supplier's true manufacturing capability and quality control system. For a DMT manufacturer like Ruisaike, providing clear, verifiable and traceable quality documentation is the foundation for engaging premium customers and long-term cooperation. (1) In-Depth Review of COA (Certificate of Analysis) A qualified DMT quality inspection report for high-end applications will not only indicate "qualified" but also provide detailed actual measurement data and test method references. Test Item Specification Result Test Method Appearance White flaky crystals White flaky crystals Visual Purity ≥ 99.90% 99.95% Gas Chromatography (GC) Acid Value ≤ 0.02 mg KOH/g 0.012 mg KOH/g Titration Color, Hazen ≤ 15 10 Colorimetry Moisture ≤ 0.05% 0.02% Karl Fischer Ash Content ≤ 0.005% 0.002% Ignition Data Review Logic: GC Purity is the most core indicator. Engineers will request the original gas chromatogram from suppliers. By examining impurity peaks on the chromatogram, they can infer the synthesis process used by the factory. Moisture Data is also a key review point. If moisture in solid flake DMT exceeds standards, hydrolysis reactions can easily occur during shipping and storage, causing the acid value to rise. Elevated acid values not only consume catalysts during polymerization but also corrode factory stainless steel equipment. (2) MSDS (Material Safety Data Sheet) and Compliance Review MSDS or SDS is the legal pass for chemicals to enter factory warehouses. Key MSDS review focus areas include: Exposure Control and Personal Protection : DMT dust or vapor causes mild irritation to eyes, skin, and respiratory tract. The MSDS will specify what level of dust masks and protective goggles must be provided. Physical and Chemical Hazards : Focus on flash point and explosion limits. Factory safety engineers need to calculate workshop ventilation system air change rates based on MSDS data. Spill Emergency Response : Since DMT is insoluble in water, it cannot be washed away with water. Dry collection must be used, and the material must be placed in dedicated sealed containers for transport to qualified hazardous waste treatment facilities. Part 6: Global Procurement Supply Chain Technical Benchmarking Strategy Facing numerous chemical enterprises globally, procurement engineers need rigorous logic to screen high-quality suppliers. By combining chemical entity names, physical forms, purity parameters, and core document downloads, a complete procurement funnel is formed. Initial Selection Based on Chemical Numbers : Use CAS 120-61-6 and Dimethyl 1,4-benzene dicarboxylate for unambiguous retrieval in professional databases, filtering out interfering options providing intermediate mixtures or similar compounds. Precise Matching Based on Physicochemical Properties : Based on factory workshop feeding methods, specifically search for Dimethyl Terephthalate solid flake or liquid. If the factory is located in a hot climate region, focus on searching for Briquette to prevent caking. Quality Filtering Based on Purity Parameters : Explicitly state DMT purity parameter >99.9% requirements, excluding low-end suppliers who only provide 99% industrial-grade materials, ensuring raw materials can directly enter the PBT production line. Final Confirmation Based on Document Review : Execute Certificate of Analysis download on supplier websites. By comparing gas chromatography data, acid values, and moisture, verify the batch quality stability of the supplier. Simultaneously, collect the latest MSDS files and submit them to the factory safety and environmental department for final pre-warehousing approval. Ruisaike procurement path: For customers requiring high-purity DMT, polyester-grade DMT or PBT raw material DMT, we recommend first submitting the target application, annual volume, packaging method and quality specifications. Ruisaike can provide samples, COA/MSDS documentation, batch supply communication and long-term framework cooperation based on customer needs. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags DMT Dimethyl Terephthalate CAS 120-61-6 PBT COA MSDS procurement guide CAS 120-61-6 supplier Dimethyl Terephthalate solid flake Dimethyl 1,4-benzene dicarboxylate specifications DMT purity parameter >99.9% DMT Briquette Certificate of Analysis download 对苯二甲酸二甲酯片 对苯二甲酸二甲酯液体 聚对苯二甲酸丁二醇酯 原料 DMT Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Technology June 2, 2026 Chemical Recycling of Polyester Fiber Waste: From Waste Polyester to High-Purity DMT and Ethylene Glycol ResourceCycle explains the four-step chemical recycling process for polyester fiber (polyester textile) waste — pre-treatment, methanolysis depolymerization, DMT and ethylene glycol separation — producing polyester-grade raw materials with purity ≥99.9% from discarded textiles. Read more 02 Technology May 21, 2026 Low-Temperature Atmospheric Methanolysis of PET to Polymer-Grade DMT: ResourceCycle's New-Quality-Productivity Process Breakthrough ResourceCycle and the Zhejiang University Green Carbon Joint Research Center have developed a disruptive process that completes PET chemical depolymerisation at 64.5 °C atmospheric reflux — achieving 99.2% PET conversion, 99.5% DMT selectivity, 99.75% product purity, 60%+ capex reduction, 45-50% energy savings, with kiloton-per-year commercial operation. Read more 03 Technology May 13, 2026 ResourceCycle as a Low-Carbon DMT Co-Development Platform for Global Closed-Loop Polyester Partnerships Global brands are moving material decisions upstream to the polyester monomer level. With high-purity DMT production, methanolysis R&D and closed-loop material platform capabilities, ResourceCycle is positioned for exclusive joint development programs and long-term pre-purchase agreements. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/18 Title: 2026 DMT Market Outlook, Prices and China Sourcing Description: The 2026 DMT supply-demand shift: macro outlook, PX-to-DMT cost transmission, PTA substitution, and China's integrated sourcing advantage. Home Technology Products Solutions News About Contact 中文 Home / En / News / 2026 Global Supply Chain Reshaping: DMT Market Outlook, Price Trends & China Sourcing Strategy Market Outlook 2026 Global Supply Chain Reshaping: DMT Market Outlook, Price Trends & China Sourcing Strategy An in-depth analysis of the 2026 DMT global supply-demand landscape transformation — from macro market outlook, PX-DMT cost transmission mechanisms, and PTA substitution dynamics to China's integrated advantages and low-cost sourcing strategies, providing supply chain executives with a strategic and actionable intelligence guide. May 11, 2026 · 9 min read TL;DR An in-depth analysis of the 2026 DMT global supply-demand landscape transformation — from macro market outlook, PX-DMT cost transmission mechanisms, and PTA substitution dynamics to China's integrated advantages and low-cost sourcing strategies, providing supply chain executives with a strategic and actionable intelligence guide. Keywords: DMT market · global supply chain · price trends · PTA substitution · China sourcing Introduction: Breaking Through Supply Chain Disruptions Amid Macro Turbulence Against the backdrop of escalating geopolitical rivalry and global energy transition, the volatility of basic and specialty chemical markets is growing exponentially. Dimethyl terephthalate (DMT) — an indispensable core intermediate in the polyester value chain — stands at the crossroads of a new round of global capacity restructuring. For supply chain executives, Chief Procurement Officers (CPOs), and market analysts at multinational corporations, finding certainty in uncertain cycles has become the central determinant of profitability and survival. This article is grounded in an in-depth Global supply chain analysis, providing a comprehensive dissection of the DMT market landscape for 2026 and beyond. We examine macro market dynamics, upstream cost transmission mechanisms, substitute competition, and China's structural advantages to deliver an intelligence guide that combines strategic vision with actionable value. For Ruisaike, this global supply chain reshaping is not a distant market observation but a real industrial environment directly connected to its business. Ruisaike specializes in high-purity Dimethyl Terephthalate (DMT) production through chemical process technology, with product purity of ≥99.9%. The company supports polyester-grade DMT, EG co-production, COA documentation, MSDS safety data and customized supply solutions for PBT engineering plastics, PET resin, polyester fiber and high-value polyester applications. Part I: Macro Market Outlook — The 2026 DMT Supply-Demand Revolution Before formulating specific procurement strategies, we must establish a clear understanding of the global macro environment. The evolution of the DMT market is not an isolated industry event — it is a concentrated reflection of global macroeconomics, energy policies, and the rise and fall of regional manufacturing. 1. Core Insight: Why the DMT market research report 2026 Is Urgently Needed Over the past decade, the DMT industry has undergone a profound "shakeout." Driven by aging facilities, tightening environmental regulations, and soaring energy costs, traditional DMT capacity in Europe and North America is accelerating its exit. This regional capacity contraction has directly increased the fragility of global supply chains. A high-quality DMT market research report 2026 provides supply chain executives with far more than data compilation — it delivers a forward-looking "risk radar." The reports that matter must answer three core questions: How will the capacity vacuum be filled? At what pace will the market share vacated by shuttered Western plants shift to Asia? Where is the incremental demand from emerging applications? Beyond traditional polyester fiber, what are the growth forecasts for DMT demand in PBT engineering plastics, high-end optical films, and other value-added segments? ESG compliance costs: How will mechanisms like the Carbon Border Adjustment Mechanism (CBAM) reshape global DMT trade flows? Mastering this macro intelligence is the prerequisite for shifting from "reactive response" to "proactive positioning." Ruisaike perspective: As traditional DMT capacity in Europe and North America exits and Asia gains more weight in the global supply chain, stable Chinese DMT manufacturers are becoming important alternatives for global procurement systems. With chemical-process high-purity DMT production capability and industrial deployment in Huanggang, Ruisaike can provide long-term supply certainty beyond conventional trading channels. 2. Decoding DMT price trend: Price Waves and Cyclical Patterns Ahead For procurement departments, accurately forecasting DMT price trend is central to cost reduction and efficiency gains. The 2026 DMT price trajectory will exhibit pronounced "wide-range oscillation," driven by fundamentally altered logic. First, the baseline pricing floor has shifted upward. Global inflation expectations and coordinated crude supply interventions by key producing nations have created robust bottom support for basic chemical feedstocks. The era of absolute DMT price lows is over. Second, localized and structural shortages will become more frequent. DMT's production process (oxidation, esterification) demands extreme continuity. Any regional extreme weather, logistics disruption, or unplanned plant maintenance can trigger spot price spikes in specific regions within short timeframes. Third, financial attributes are strengthening. As more commodity funds engage in futures-spot arbitrage across chemical value chains, DMT spot prices are increasingly influenced by futures market sentiment. Supply chain decision-makers must build more resilient dynamic pricing models to smooth out violent price cycles. Part II: Cost Transmission Mechanisms — Feedstock Correlation and Substitution Dynamics DMT prices do not arise in a vacuum — they are the terminal manifestation of value transmission across the entire chemical value chain. Deep understanding of upstream feedstock volatility logic and horizontal substitute competition is the foundation for precise procurement strategy. 1. The Butterfly Effect: Xylene to DMT price correlation DMT production is highly dependent on mixed xylene (particularly paraxylene, PX) and methanol. PX accounts for an extremely high share of production costs, and its price fluctuations exert a decisive "anchoring effect" on DMT. Xylene to DMT price correlation represents a classic cost transmission model in the industry. Crude oil source shocks: PX is produced through naphtha reforming and aromatization. Geopolitical conflicts (Middle East tensions, Russia-Ukraine) that drive Brent or WTI crude price fluctuations transmit precisely to Asian and global PX spot markets within 1–3 months. Supply-demand mismatch amplifier: Although global PX capacity has expanded significantly, concentrated maintenance periods often create PX spot tightness. Once PX prices break upward, DMT producers — to preserve razor-thin processing margins — will rapidly and often excessively pass cost pressure downstream. Methanol's marginal impact: While methanol carries less weight than PX in DMT costs, its price is heavily influenced by coal (in China) and natural gas (overseas). During peak winter energy demand, methanol's pulse-like price increases can become a marginal driver pushing DMT prices higher. Strategic recommendation: Supply chain executives should establish a "PX-DMT Spread tracking mechanism." When the spread deviates significantly from historical averages, it signals the optimal timing for locking in long-term contracts or adjusting inventory positions. Ruisaike execution capability: For customers seeking to reduce exposure to price volatility, Ruisaike can support annual framework agreements, phased pricing mechanisms, sample validation and batch delivery planning. Direct communication with a DMT manufacturer helps improve supply transparency and reduces uncertainty from intermediate trading layers. 2. Moats and Boundaries: PTA vs DMT substitution An inescapable keyword in DMT market analysis is PTA (purified terephthalic acid). Over the past two decades, PTA vs DMT substitution has profoundly reshaped the polyester industry landscape. In the early era, DMT was the sole commercial feedstock for PET synthesis. But as PTA production matured, it delivered a sustained "asymmetric assault" on DMT in conventional textile fiber and standard bottle markets, leveraging shorter process flows, higher yields, and lower unit consumption. By 2026, however, this substitution effect has hit the hard ceiling of physical and chemical property limits. DMT is staging its "value reversal" and moat defense: Absolute barriers in engineering plastics: The DMT process offers irreplaceable advantages in PBT production. PBT is widely used in EV electronic connectors, charging station enclosures, and premium fiber optic buffer tubes. PBT produced via the DMT route features easier reaction control, fewer by-products, and superior chip color (whiter, more transparent) — qualities unattainable by conventional PTA processes. High-end films and specialty fibers: In LCD optical films, solar cell backsheet films, and certain specialty industrial yarns, major end-users still mandate DMT as the precursor due to stringent requirements for raw material purity and reaction stability. The market conclusion: In the low-end red ocean, PTA has won the war; in the high-value blue ocean, DMT remains the undisputed king. Relevance to Ruisaike products: Ruisaike's high-purity DMT is positioned for polyester-grade applications, including PBT engineering plastics, PET resin, PETG/PCTG copolyesters and specialty polyester films. For customers evaluating the technical boundary between PTA and DMT routes, Ruisaike can provide product specifications, COA documentation and sample support. Part III: Redefining China's Advantage — Reshaping Global Chemical Pricing Power After understanding macro trends and cost logic, the ultimate focus must return to physical procurement execution. Amid global supply chain restructuring, China is undergoing a profound transformation from "world factory" to "global supply chain hub." 1. Deep Dive: China chemical market outlook Following China chemical market outlook essentially means tracking the center of gravity of the global chemical value chain. The 2026 Chinese chemical market will exhibit three disruptive characteristics: The ultimate form of integrated giants: Over recent years, 10-million-ton-scale "refining-petrochemical integration" bases (such as Hengli, Rongsheng, and Shenghong) have risen along China's coast. These mega-facilities achieve full value chain integration from "one drop of oil to one filament." They not only command massive PX capacity but also drive basic chemical feedstock production costs to the global floor through extreme thermal coupling and by-product utilization. Industrial upgrading and premiumization: China's market no longer settles for low-end capacity exports. As domestic substitution strategies advance, Chinese companies are making continuous breakthroughs in PBT and premium polyester — high-barrier segments that stimulate strong domestic demand for high-quality DMT and push local DMT producers to optimize processes. Green and low-carbon compliance advantage: Facing Western carbon tariff barriers, leading Chinese chemical companies are accelerating deployment of renewable energy and CCUS (carbon capture, utilization, and storage) technologies. Chinese chemical products with comprehensive carbon footprint tracking and green certification will demonstrate stronger competitiveness in international markets. 2. Execution Playbook: Low-cost DMT sourcing China For Western multinationals, Low-cost DMT sourcing China has evolved from a short-term tactical option into a long-term strategy closely tied to supply chain resilience. How can companies benefit from China's cost advantage while mitigating long-distance logistics risks? Establish strategic direct-sourcing alliances: Abandon speculative spot-market thinking. Build Strategic Partnerships directly with integrated Chinese industry leaders. Sign Formula-based Pricing long-term supply agreements linked to PX prices, locking in base processing fees to smooth market price volatility. Optimize cross-border logistics and forward warehouse positioning: Ocean freight rates and shipping delays are the biggest variables in cross-border procurement. Executive teams should partner with 3PL giants to establish VMI (Vendor Managed Inventory) forward warehouses at key nodes like Rotterdam or Houston. This captures China's ex-works pricing while enabling "Just-In-Time" localized delivery overseas. Full-chain cost monitoring system: Procurement is fundamentally about TCO (Total Cost of Ownership), not just commodity price comparison. Enterprises must deploy advanced supply chain digitalization platforms to monitor total chain costs in real time — from Chinese factory ex-works, ocean freight fluctuations, tariff and VAT changes, through to domestic factory warehouse receipt. Ruisaike's supply chain positioning: Ruisaike is not positioned as a pure trading intermediary. Based on its chemical-process DMT production capability, the company can support technical communication, sample testing, quality documentation, batch supply and long-term cooperation planning. For customers searching for Buy Dimethyl Terephthalate in bulk China, CAS 120-61-6 spot supply and reliable DMT wholesale channels, Ruisaike provides closer access to factory-side communication and delivery certainty. Part IV: The Supply Chain Executive's Breakthrough Playbook Facing the intricate DMT market and global supply chain upheaval, executives and analysts must transcend single-dimension procurement thinking and build a multi-perspective integrated defense system. First, transform market intelligence into decision assets. Do not rely solely on reactive price quotes. Go on the offensive. Regularly commission or internally develop in-depth DMT market research report 2026 analyses, closely tracking key indicators from Global supply chain analysis. Intelligence leadership often translates into millions of dollars in cost savings. Second, build an "antifragile" diversified supply network. While Low-cost DMT sourcing China is the core cost-reduction strategy, never put all eggs in one basket. Establish a three-tier supply defense system: "China primary (cornerstone) + Southeast Asia/Middle East alternatives (flexibility) + local spot (emergency)" to withstand extreme geopolitical black swan events. Third, strengthen cross-functional collaborative warfare mechanisms. DMT price trend forecasting cannot rest on procurement alone. Finance must be engaged (using derivatives to hedge Xylene to DMT price correlation risks), and R&D must be involved (exploring the technical boundaries and formulation adjustment space of PTA vs DMT substitution). Only through combined forces can an insurmountable moat be constructed in fierce market competition. In the foundation of future industrial civilization, the stability of chemical supply chains determines the height of everything built above. Deeply understanding the logic behind these macro intentions and intelligence keywords is the key to precisely navigating toward certainty in this unpredictable year of 2026. For Ruisaike, the 2026 DMT market opportunity is not only about procurement substitution during price volatility. It is also about global customers' rising demand for stable, high-purity, low-carbon and traceable supply chains. Ruisaike will continue to strengthen its capabilities in chemical-process high-purity DMT, polyester-grade DMT, EG co-production, DMT COA documentation and customized supply solutions, helping customers secure more reliable raw material access in an uncertain global market. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags DMT market global supply chain price trends PTA substitution China sourcing PX price supply chain strategy Buy Dimethyl Terephthalate in bulk China DMT Briquette FOB Busan South Korea DMT CIF Shanghai spot market Reliable chemical intermediate manufacturer China port 对苯二甲酸二甲酯 厂家直销 大宗批发 CAS 120-61-6 现货 青岛/上海港发货 Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Market Outlook May 11, 2026 2026 Global Supply Chain Reshaping: DMT Market Outlook, Price Trends & China Sourcing Strategy An in-depth analysis of the 2026 DMT global supply-demand landscape transformation — from macro market outlook, PX-DMT cost transmission mechanisms, and PTA substitution dynamics to China's integrated advantages and low-cost sourcing strategies, providing supply chain executives with a strategic and actionable intelligence guide. Read more 02 Green Carbon December 8, 2025 Low-Carbon DMT Carbon Footprint: How Polyester-Grade Dimethyl Terephthalate Supply Chains Reduce Scope 3 Emissions Using ISO 14067 and LCA principles, this article explains how polyester-grade DMT suppliers can manage carbon footprint across raw materials, production, energy and logistics for PBT, PET and PETG customers. Read more 03 Green Carbon July 30, 2025 ESG Value of DMT Supply Chains: How Low-Carbon Dimethyl Terephthalate Supports Scope 3 Disclosure From Scope 3 accounting, product carbon footprint, COA/MSDS, batch traceability and green supply-chain audits, learn how low-carbon DMT suppliers support ESG disclosure for PBT, PET and PETG customers. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/19 Title: Low-Carbon DMT Co-Development for Closed-Loop Polyester Description: Brands are moving material decisions upstream to the monomer. How ResourceCycle partners on joint development and long-term pre-purchase deals. Home Technology Products Solutions News About Contact 中文 Home / En / News / ResourceCycle as a Low-Carbon DMT Co-Development Platform for Global Closed-Loop Polyester Partnerships Technology ResourceCycle as a Low-Carbon DMT Co-Development Platform for Global Closed-Loop Polyester Partnerships Global brands are moving material decisions upstream to the polyester monomer level. With high-purity DMT production, methanolysis R&D and closed-loop material platform capabilities, ResourceCycle is positioned for exclusive joint development programs and long-term pre-purchase agreements. May 13, 2026 · 9 min read TL;DR Global brands are moving material decisions upstream to the polyester monomer level. With high-purity DMT production, methanolysis R&D and closed-loop material platform capabilities, ResourceCycle is positioned for exclusive joint development programs and long-term pre-purchase agreements. Keywords: Recycled Dimethyl Terephthalate for EV architecture · Food-contact standard r-DMT methanolysis · Bio-based DMT commercialization · Enzymatic catalysis DMT efficiency · low-carbon DMT solution Introduction: Material Competition Is Moving Upstream to Chemical Monomers The polyester value chain is undergoing a structural shift. Global beverage brands, fashion groups, EV suppliers and premium packaging companies are no longer evaluating sustainability only at the final product level. They are moving upstream to examine the chemistry, carbon footprint, traceability and long-term availability of the monomers behind polyester materials. In this context, Dimethyl Terephthalate (DMT) is becoming strategically important again. High-purity DMT produced through chemical processes, including r-DMT from methanolysis routes, can connect closed-loop polyester recycling, food-contact packaging, EV engineering plastics and low-carbon supply-chain commitments. ResourceCycle is positioned not merely as a DMT supplier, but as a potential co-development platform for global material innovation. ResourceCycle sits at a useful point in that shift. Its core capability is chemical-process production of high-purity Dimethyl Terephthalate, and it continues to build R&D and industrial platform around methanolysis process development, polyester-grade DMT, ethylene glycol co-production, analytical testing and closed-loop material systems. For global brands, multinational chemical laboratories and circular-material innovation platforms looking for the next generation of low-carbon polyester solutions, that makes ResourceCycle a candidate for joint development, sample qualification, exclusive cooperation and long-term pre-purchase agreements — not only a supplier. Key Takeaways Decision-making is moving upstream: Brands are evaluating monomer origin, carbon footprint and long-term supply stability. Partner requirements are rising: Platform companies with R&D, validation and industrialization capability are becoming more valuable than simple traders. Commercial outcomes are changing: Collaboration can evolve from one-off procurement to exclusive joint development and ten-year pre-purchase agreements. Why Brands Are Searching Beyond Traditional Procurement Channels 1. Conventional procurement cannot answer low-carbon commitments Traditional procurement channels are often insufficient when a brand must prove recycled content, carbon reduction and food-contact safety over a ten-year product roadmap. The questions are no longer limited to price and delivery. Brands need to know where the material comes from, how its carbon footprint is calculated, whether it can pass compliance reviews, and whether supply can be scaled reliably. Source: Whether the material has traceable and auditable origin. Quality: Whether low-carbon material can meet food-contact, EV or high-end polyester requirements. Supply: Whether the supplier can support multi-year framework agreements and scaled delivery. 2. Frontier searches indicate partner pre-screening That is why searches such as Recycled Dimethyl Terephthalate for EV architecture , Food-contact standard r-DMT methanolysis , Bio-based DMT commercialization and Enzymatic catalysis DMT efficiency are emerging. These are not ordinary keyword searches; they indicate that decision-makers are already evaluating material routes, technical partners and long-term development possibilities. At this stage, what a company is assessing is not a quotation but a combination of capabilities: whether there is real experience in chemical-process DMT production; whether high-purity specification can be held consistently; whether COA and MSDS can be provided; whether the supplier understands what food-contact-grade material quality actually requires; and whether it can co-develop PBT, PET, PETG, specialty film or low-carbon packaging materials alongside a downstream brand. That shift — from buying material to building a material system together — is the demand ResourceCycle is set up to meet. ResourceCycle’s Value: From DMT Supply to Closed-Loop Material Platform 1. High-purity DMT is the foundation ResourceCycle’s core value lies not only in producing DMT, but in building an integrated capability around DMT chemistry, quality control, methanolysis process development, EG co-production and downstream polyester applications. DMT connects PET, PBT, PETG, PCTG and specialty polyester films with broader trends in circular economy and low-carbon manufacturing. For global chemical laboratories and innovation platforms, this combination matters. A partner must be able to turn a monomer into a verifiable, scalable and commercially relevant material solution. ResourceCycle’s high-purity DMT production and industrialization capability provide a practical foundation for such joint development. Product base: High-purity DMT, polyester-grade DMT and EG co-production. Process base: Chemical DMT production, methanolysis R&D, purification and quality testing. Application base: PBT engineering plastics, PET resin, food packaging and specialty polyester films. 2. A closed-loop polyester perspective defines the joint-development space Viewed as a platform, ResourceCycle sits closer to an innovation venture for circular polyester materials than to a conventional monomer producer. The company works on DMT production, but also on how that connects to EG co-production, closed-loop PET recycling, low-carbon material certification and downstream application development. That systemic view is the precondition for multinational chemical laboratories and global brands to commit to joint R&D: the partner has to be able to extend a single monomer into a material solution that can be verified, scaled and commercialised. EV Architecture: A Long-Cycle Opportunity for Low-Carbon DMT 1. EV materials require long-cycle validation Electric vehicles are creating demand for high-performance polyester-based materials, including PBT engineering plastics, specialty PET films, insulating components and electronic connectors. Once a material enters an automotive platform, qualification cycles are long and supply relationships can remain stable for years. For applications related to Recycled Dimethyl Terephthalate for EV architecture , ResourceCycle can support early-stage material evaluation through DMT samples, technical documentation, COA, MSDS, carbon-footprint data and process explanations. A successful validation path may evolve into exclusive material development, platform certification and long-term pre-purchase agreements. 2. The focus shifts from supply to joint qualification Where a brand or Tier-1 supplier sets out to develop low-carbon PBT, low-carbon PET functional film, or polyester engineering materials with traceable origin, ResourceCycle can participate in early validation through high-purity DMT samples, batch test reports, process documentation, carbon footprint accounting and downstream trial support. Once that collaboration takes hold, it tends not to stay a conventional purchase contract — it moves into exclusive material development, joint qualification and multi-year pre-purchase commitments. Food-Contact Packaging: Methanolysis as a Route to Higher-Quality Circular Polyester 1. Food-contact applications require monomer-level control Food and beverage packaging is one of the most demanding applications for recycled polyester. Mechanical recycling often faces limitations in contamination, color, odor and compliance. Methanolysis offers a different approach by depolymerizing polyester back to monomer-level intermediates such as DMT and EG, followed by purification and quality control. Food-contact standard r-DMT methanolysis is therefore more than a technical phrase. It represents a potential pathway for brands to convert sustainability commitments into verifiable packaging materials. If supported by impurity profiling, third-party testing and consistent batch quality, this route can become the basis for joint development and long-term sourcing programs. 2. From sample testing to long-term lock-in If ResourceCycle builds out a fuller quality system and body of test data around food-contact-grade recycled DMT, deeper collaboration with packaging brands, beverage companies, resin producers and third-party certification bodies becomes available. Early work typically starts with sample testing, impurity profiling and application validation, then develops into a joint development agreement. Once regulatory and customer system validation is passed, a long-term pre-purchase agreement has a commercial basis to stand on. Bio-Based DMT and Enzymatic Catalysis: Part of a Broader Technology Map 1. Emerging routes still need industrial platforms Recycled DMT, bio-based DMT and enzymatic depolymerization are often discussed together in the future of polyester. Bio-based DMT commercialization points to renewable carbon sources, while Enzymatic catalysis DMT efficiency reflects the search for milder and more selective depolymerization pathways. ResourceCycle does not need to frame these routes as competitors. Instead, they form part of a broader low-carbon monomer map. With its chemical-process foundation, ResourceCycle can cooperate with laboratories, universities and circular-material startups to test emerging routes while maintaining an industrially grounded DMT supply capability. 2. Co-creating the material route is the higher-value form of collaboration This model is different from simply buying and selling product. It is closer to co-creation of a material route: the laboratory contributes frontier mechanism work and evaluation methodology, ResourceCycle contributes industrial process, product testing and application context, and the brand contributes a defined end requirement and a long-term purchasing commitment. Once those three close the loop, an exclusive joint development programme becomes a realistic outcome. Why Exclusive Joint Development and Ten-Year Agreements Are Realistic 1. Customers are buying long-term certainty Advanced low-carbon materials require certainty: R&D certainty, quality certainty, compliance certainty, capacity certainty and supply-chain certainty. Such certainty cannot be created through one-off transactions. It requires structured collaboration. A typical pathway may begin with target application definition, followed by DMT sample delivery, customer testing, process adjustment, pilot validation, supply-chain audit and finally a long-term framework agreement. For brands, this reduces future supply risk. For ResourceCycle, it justifies investment in equipment, certification, process optimization and application support. 2. Five-stage collaboration pathway Stage 1: Define target application and material specifications. Stage 2: Deliver DMT samples, COA, MSDS and process documentation. Stage 3: Co-optimize process route, certification path and end-material performance. Stage 4: Complete pilot validation, batch testing and supply-chain audit. Stage 5: Sign long-term framework, exclusive application or pre-purchase agreement. This is why exclusive joint development agreements and ten-year pre-purchase commitments are commercially logical in the low-carbon DMT sector. The deeper the application validation, the stronger the relationship between material platform and brand supply chain. Seen this way, what matters is not a product catalogue but evidence of being able to enter that kind of collaboration chain at all: chemical-process DMT production capability, R&D depth, cross-disciplinary team coordination, a closed-loop material perspective, analytical and quality systems, and the engineering patience to carry a long project alongside a brand partner. ResourceCycle's Open Capability for Global Partners 1. Three partner categories Looking forward, ResourceCycle can structure different models of collaboration around three groups of partners. The first is global consumer and packaging brands, focused on food-contact grade, low-carbon packaging and material traceability. The second is the EV and advanced manufacturing supply chain, focused on PBT, PET functional film, electrical and electronic materials, and long-term quality stability. The third is multinational chemical laboratories, university research institutes and circular-material innovation platforms, focused on bio-based DMT, enzymatic catalysis efficiency, methanolysis route optimisation and the commercialisation of closed-loop materials. Global brands and packaging companies: food-contact grade, low-carbon packaging, material traceability. EV and advanced manufacturing supply chains: PBT, PET functional film, electrical and electronic materials, long-term quality stability. Multinational chemical laboratories and innovation platforms: bio-based DMT, enzymatic catalysis efficiency, methanolysis optimisation, closed-loop material commercialisation. 2. From product capability to supply-chain solution What these partners can draw on is more than high-purity Dimethyl Terephthalate. It extends across samples, process, testing, application and supply-chain design — and in low-carbon DMT solutions, polyester-grade DMT, DMT for PBT, DMT monomer for PET resin, DMT COA reporting and DMT with EG co-production, the content, product and industrial foundations are already in place. More to the point, ResourceCycle's position should not be limited to that of a conventional supplier. It should be a technical entry point for brands moving into a closed-loop polyester system. Whoever helps a brand convert a sustainability commitment into verifiable material will hold a deeper position in the next round of supply-chain restructuring. Conclusion: The Future of DMT Belongs to Platform Companies The low-carbon transition in polyester will not stop at the level of statements. The real change happens in material molecules, process routes, certification systems and long-term purchasing agreements. For a global brand, the next generation of low-carbon DMT partner has to combine research depth, quality control, industrialisation capability and a long-term supply commitment — all four, at once. The next stage of polyester decarbonization will not be won by price alone. It will be shaped by companies capable of connecting R&D, industrialization, certification and long-term supply commitments. ResourceCycle is building precisely this bridge through high-purity DMT, methanolysis development and closed-loop polyester thinking. Whether the discussion involves Recycled Dimethyl Terephthalate for EV architecture, food-contact r-DMT methanolysis, bio-based DMT commercialization or enzymatic catalysis efficiency, the core question remains the same: who can convert a future material concept into a scalable and dependable supply solution? ResourceCycle aims to be one of those partners. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags Recycled Dimethyl Terephthalate for EV architecture Food-contact standard r-DMT methanolysis Bio-based DMT commercialization Enzymatic catalysis DMT efficiency low-carbon DMT solution closed-loop polyester high-purity DMT Dimethyl Terephthalate manufacturer polyester-grade DMT PET closed-loop recycling Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Technology June 2, 2026 Chemical Recycling of Polyester Fiber Waste: From Waste Polyester to High-Purity DMT and Ethylene Glycol ResourceCycle explains the four-step chemical recycling process for polyester fiber (polyester textile) waste — pre-treatment, methanolysis depolymerization, DMT and ethylene glycol separation — producing polyester-grade raw materials with purity ≥99.9% from discarded textiles. Read more 02 Technology May 21, 2026 Low-Temperature Atmospheric Methanolysis of PET to Polymer-Grade DMT: ResourceCycle's New-Quality-Productivity Process Breakthrough ResourceCycle and the Zhejiang University Green Carbon Joint Research Center have developed a disruptive process that completes PET chemical depolymerisation at 64.5 °C atmospheric reflux — achieving 99.2% PET conversion, 99.5% DMT selectivity, 99.75% product purity, 60%+ capex reduction, 45-50% energy savings, with kiloton-per-year commercial operation. Read more 03 Technology May 13, 2026 ResourceCycle as a Low-Carbon DMT Co-Development Platform for Global Closed-Loop Polyester Partnerships Global brands are moving material decisions upstream to the polyester monomer level. With high-purity DMT production, methanolysis R&D and closed-loop material platform capabilities, ResourceCycle is positioned for exclusive joint development programs and long-term pre-purchase agreements. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/2 Title: Huanggang Base: 5,000 t/y DMT + 1,600 t/y Ethylene Glycol Description: ResourceCycle (Hubei) is building 5,000 t/y DMT and 1,600 t/y EG capacity for PBT, PET and PETG buyers needing COA/MSDS and bulk supply. Home Technology Products Solutions News About Contact 中文 Home / En / News / ResourceCycle Huanggang Base: 5,000 Tons/Year DMT and 1,600 Tons/Year Ethylene Glycol Supply Capacity Company News ResourceCycle Huanggang Base: 5,000 Tons/Year DMT and 1,600 Tons/Year Ethylene Glycol Supply Capacity ResourceCycle (Hubei) is building a 5,000-ton/year Dimethyl Terephthalate (DMT) and 1,600-ton/year Ethylene Glycol (EG) production line for PBT, PET, PETG and polyester customers requiring COA/MSDS and bulk supply. March 15, 2026 · 2 min read TL;DR ResourceCycle (Hubei) is building a 5,000-ton/year Dimethyl Terephthalate (DMT) and 1,600-ton/year Ethylene Glycol (EG) production line for PBT, PET, PETG and polyester customers requiring COA/MSDS and bulk supply. Keywords: DMT 5000 tons capacity · Huanggang DMT manufacturer · high-purity DMT · ethylene glycol co-production · DMT direct manufacturer Huanggang: DMT and Ethylene Glycol Capacity Goes On the Map ResourceCycle (Hubei) New Materials Co., Ltd. is investing a total of RMB 10 million in a production project at the Huanggang chemical industry park, with annual capacity of 5,000 tonnes of high-purity Dimethyl Terephthalate (DMT) and 1,600 tonnes of ethylene glycol (EG). The plant serves PBT engineering plastics, PET resin, PETG/PCTG copolyesters, coating resins and polyester fibre — strengthening ResourceCycle's ability to actually deliver volume into the polyester-grade DMT supply chain. Project at a glance Metric Value Total investment RMB 10 million DMT annual capacity 5,000 tonnes Ethylene glycol annual capacity 1,600 tonnes Projected annual output value over RMB 300 million Jobs created 200+ Expected start-up First half of 2025 A Milestone in Industrialisation This is China's first DMT production project built on independently developed chemical-recycling technology, and it marks a decisive step for ResourceCycle in scaling high-purity DMT production alongside ethylene glycol co-production. Sited inside the Huanggang chemical industry park, the plant draws on the park's utilities, warehousing, logistics and industrial cluster to improve bulk DMT supply into central and eastern China as well as export markets. What is being built 5,000 t/y DMT plant — engineered for polyester-grade applications, with tight control of purity, colour, acid value and impurity indicators 1,600 t/y ethylene glycol plant — establishing combined DMT + EG supply capability Warehousing and logistics — sized for feedstock throughput and finished-goods dispatch Environmental systems — wastewater reuse rate ≥85%, exhaust emissions within regulatory limits Economic and Environmental Impact Construction is scheduled to complete and enter operation in the first half of 2025, at which point Huanggang becomes a primary DMT supply base for ResourceCycle's polyester feedstock customers. Projected environmental benefit Category Annualised Waste PET processed approx. 60,000 tonnes CO₂ reduction approx. 80,000 tonnes Crude oil equivalent saved approx. 30,000 tonnes Water saved vs. virgin route approx. 100,000 tonnes Wider industrial effect Bringing this project online strengthens the resilience of China's high-purity DMT supply chain: It provides a foundation for Huanggang's ambition to build a green new-materials industrial base It pulls upstream and downstream links of the value chain into closer coordination It improves local delivery capability for PBT, PET and PETG customers It establishes a replicable industrial template for chemical recycling at scale As a key node in ResourceCycle's DMT industrialisation strategy, the Huanggang base is organised around high-purity Dimethyl Terephthalate, ethylene glycol and the supporting quality documentation — serving long-term procurement, annual framework agreements and customised supply arrangements. Procurement Note: What Actually Distinguishes a DMT Supplier Capacity and lead time: can the supplier deliver repeat volume on schedule, or only samples? Quality documentation: are COA, MSDS and per-batch test records available on request? Application fit: does the supplier understand how DMT specification requirements differ between PBT, PET and PETG? Commercial flexibility: are bulk purchase, sample qualification and long-term supply agreements supported? Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags DMT 5000 tons capacity Huanggang DMT manufacturer high-purity DMT ethylene glycol co-production DMT direct manufacturer Dimethyl Terephthalate supplier bulk DMT procurement CAS 120-61-6 supplier Buy Dimethyl Terephthalate in bulk China Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Company News April 28, 2026 ResourceCycle and Zhejiang University Establish Green Carbon Joint Research Center for High-Purity DMT and Low-Carbon Polyester Materials ResourceCycle and Zhejiang University will collaborate on high-purity Dimethyl Terephthalate (DMT), ethylene glycol co-production, catalyst systems and low-carbon polyester raw materials for PBT, PET and PETG applications. Read more 02 Company News March 15, 2026 ResourceCycle Huanggang Base: 5,000 Tons/Year DMT and 1,600 Tons/Year Ethylene Glycol Supply Capacity ResourceCycle (Hubei) is building a 5,000-ton/year Dimethyl Terephthalate (DMT) and 1,600-ton/year Ethylene Glycol (EG) production line for PBT, PET, PETG and polyester customers requiring COA/MSDS and bulk supply. Read more 03 Technology June 2, 2026 Chemical Recycling of Polyester Fiber Waste: From Waste Polyester to High-Purity DMT and Ethylene Glycol ResourceCycle explains the four-step chemical recycling process for polyester fiber (polyester textile) waste — pre-treatment, methanolysis depolymerization, DMT and ethylene glycol separation — producing polyester-grade raw materials with purity ≥99.9% from discarded textiles. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/20 Title: PET to Polymer-Grade DMT at 64.5 °C: Process Breakthrough Description: Atmospheric low-temperature methanolysis reaching 99.2% PET conversion, 99.5% DMT selectivity and 99.75% purity, with 60%+ lower capex. Home Technology Products Solutions News About Contact 中文 Home / En / News / Low-Temperature Atmospheric Methanolysis of PET to Polymer-Grade DMT: ResourceCycle's New-Quality-Productivity Process Breakthrough Technology Low-Temperature Atmospheric Methanolysis of PET to Polymer-Grade DMT: ResourceCycle's New-Quality-Productivity Process Breakthrough ResourceCycle and the Zhejiang University Green Carbon Joint Research Center have developed a disruptive process that completes PET chemical depolymerisation at 64.5 °C atmospheric reflux — achieving 99.2% PET conversion, 99.5% DMT selectivity, 99.75% product purity, 60%+ capex reduction, 45-50% energy savings, with kiloton-per-year commercial operation. May 21, 2026 · 8 min read TL;DR ResourceCycle and the Zhejiang University Green Carbon Joint Research Center have developed a low-temperature atmospheric (64.5 °C / 0.1 MPa) chemical recycling process, overcoming the industry pain point of traditional methanolysis requiring 200-300 °C / 2-8 MPa supercritical conditions. Key process metrics: PET conversion 99.2% · DMT selectivity 99.5% · reaction time 2.5 h · product purity 99.75% · acid value 0.02 mg KOH/g · color 10 Pt-Co. Core innovations: strong base + functionalised ionic liquid hybrid catalyst system, plus co-solvent swelling technology — lowering activation barriers from both thermodynamic and mass-transfer dimensions. Economic and environmental benefits: 60%+ capex reduction on core reaction unit, 45-50% reaction energy savings, 99.2% co-solvent recovery, zero wastewater and waste residue discharge. Keywords: Low-temperature methanolysis PET · Polymer-grade DMT · Ionic liquid catalysis · Co-solvent swelling · New quality productivity. Introduction: The High-T/High-P Bottleneck of PET Chemical Recycling Polyethylene Terephthalate (PET) is an engineering plastic with vast applications in packaging, textiles and electronics. The accumulating waste polyester places heavy burden on the ecosystem. Among existing recycling routes, methanolysis can completely depolymerise PET into Dimethyl Terephthalate (DMT) and Ethylene Glycol (EG); the refined products feed directly into virgin-grade polyester synthesis — the key path to truly closed-loop circular polyester. However, traditional methanolysis typically operates at 200-300 °C and 2-8 MPa in supercritical or near-supercritical conditions. These harsh conditions demand specialised high-pressure / corrosion-resistant equipment, with prohibitively high energy consumption, severely constraining industrial scale-up. ResourceCycle (Hangzhou) New Materials Co., Ltd. , focused on low-carbon new materials, has independently developed a disruptive low-temperature atmospheric chemical recycling process — the core "new quality productivity" enabler driving China's circular economy and carbon neutrality goals. Core Reaction Equation PET methanolysis is essentially a transesterification process. Under catalysis, methanol nucleophilically attacks the ester carbon of the PET chain, breaking C-O bonds and progressively forming DMT and EG: (−CO−C₆H₄−CO−O−CH₂CH₂−O−)ₙ + 2n CH₃OH → n CH₃OOC−C₆H₄−COOCH₃ + n HO−CH₂CH₂−OH 1. Two Technical Bottlenecks Under Low-T Atmospheric Conditions Under low-T atmospheric conditions, PET methanolysis faces two core challenges: Thermodynamic low activity: at reduced temperature, methanol molecules lose thermal kinetic energy and struggle to overcome the activation barrier for nucleophilic ester attack. Mass-transfer resistance at phase interface: waste PET does not dissolve in low-T methanol, forming a heterogeneous solid-liquid reaction. PET crystalline regions block methanol penetration into the polymer, severely slowing reaction rate. Leveraging the Green Carbon Joint Research Center co-built with Zhejiang University, the ResourceCycle R&D team pursued industry-academia synergy at its 10,000+ m² industrial R&D and pilot base in Hangzhou. Through over a thousand de-bottlenecking experiments, the team combined a "high-efficiency hybrid catalyst system" with a "low-toxicity highly-compatible solvent additive" to achieve rapid, complete PET depolymerisation under mild 60-65 °C reflux conditions. 1. Strong Base + Functionalised Ionic Liquid Hybrid Catalyst Standalone inorganic bases lack low-T activity, while ordinary ionic liquids are prohibitively expensive. The Green Carbon Joint Research Center developed a unique hybrid catalyst combining a strong base with a functionalised ionic liquid. The ionic liquid cation forms strong hydrogen bonds with the carbonyl oxygen of the PET ester group, significantly amplifying the electrophilicity of the carbonyl carbon — drastically lowering the activation energy for methanol nucleophilic attack, enabling low-T depolymerisation. 2. Co-Solvent Swelling Technology A low-toxicity, high-boiling, methanol-miscible green co-solvent is introduced. It rapidly disrupts hydrogen bonds and van der Waals forces between waste polyester chains, causing the insoluble solid PET to swell significantly and even partially dissolve, opening up the tight crystalline structure. Catalyst and methanol can then rapidly penetrate the polymer chain interior, expanding mass-transfer area severalfold — resolving the heterogeneous mass-transfer industry challenge. 2. Four-Unit Process Flow & Kiloton/Year Commercial Plant The process comprises four core units: feedstock pretreatment, swelling depolymerisation reaction, crystallisation separation, distillation recovery . The process is currently in stable operation at ResourceCycle's Huangzhou and Hangzhou pilot bases, with kiloton-per-year commercial-scale plant achieved. 1. Feedstock Pretreatment Unit Waste PET bottle flake, coloured plastic or textile waste is mechanically shredded into powder or flake of 0.5-2.0 mm particle size. Warm water and surfactant washing removes surface label adhesive, organic pollutants and dust, followed by drying at 100 °C to ≤0.1 wt% moisture content. Strict moisture control fully suppresses terephthalic acid (TPA) byproduct formation, securing DMT selectivity at source. 2. Low-Temperature Atmospheric Depolymerisation Unit In the ResourceCycle proprietary atmospheric depolymerisation reactor, washed and dried polyester waste, industrial methanol, co-solvent and hybrid catalyst are charged in proportion. Typical material ratio (mass): PET : methanol : co-solvent = 1 : 4 : 2. Hybrid catalyst loading: 3%-5% of PET mass. Agitation: 300-500 rpm to eliminate macroscopic mass-transfer resistance. Reaction temperature: heated to 64.5 °C (methanol atmospheric boiling point) maintaining gentle reflux. Reaction pressure: atmospheric (0.1 MPa). Reaction time: 2.0-4.0 h. Solid PET powder gradually shrinks and finally disappears, system clears into clear liquid. 3. Crystallisation & Separation Unit Post-reaction, hot coarse filtration (~60 °C) intercepts heterogeneous impurities. The clear filtrate is progressively cooled to 10-15 °C. As DMT solubility is extremely low in low-T methanol + co-solvent, large quantities of white needle-shaped DMT crystals precipitate rapidly. The slurry is centrifuged for solid-liquid separation, yielding crude DMT cake. The cake is washed with cold methanol, redissolved in 75 °C hot methanol for recrystallisation, then centrifuged and dried to give high-purity DMT solid product. 4. Distillation Recovery Unit The post-DMT-separation filtrate contains methanol, EG, co-solvent and dissolved catalyst. A two-stage distillation tower atmospherically separates methanol for reactor recycle; vacuum distillation sequentially separates EG byproduct and co-solvent, while the high-concentration catalyst residue at the column base is recycled directly. 3. Key Process Parameters & Synergistic Optimisation 1. Effect of Reaction Temperature Under atmospheric pressure, reaction temperature is bounded by methanol's boiling point. ResourceCycle's measured temperature-conversion relationship: 45 °C: PET conversion 32.5%, DMT selectivity 98.1%, reaction time 6.0 h. 55 °C: PET conversion 68.4%, DMT selectivity 98.5%, reaction time 4.0 h. 65 °C (reflux): PET conversion 99.2%, DMT selectivity 99.5%, reaction time 2.5 h. Maintaining 64.5-65 °C, the system spontaneously holds temperature constant via methanol reflux latent heat, avoiding side reactions from local overheating, and achieves maximum reaction rate and conversion at atmospheric pressure. 2. Catalyst Concentration Regulating Depolymerisation Depth Hybrid catalyst loading below 1.5% cannot fully clear the system within 4 h. At 3.5% loading, reaction rate saturates. Further increases neither shorten reaction time meaningfully nor avoid increased washing solvent consumption. 3. Moisture Content & Deep Interference on Product Purity Methanolysis is extremely sensitive to system moisture. Excess water from inadequate pretreatment triggers competitive hydrolysis, producing methanol-insoluble TPA — driving acidic impurities into product. Comparative experiments show: raising system moisture from 0.05% to 0.5% raises final DMT product acid value nearly one order of magnitude. Strict dry-state control is the prerequisite to polymer-grade DMT purity. 4. Polymer-Grade DMT Product Quality Metrics DMT product from continuous stable operation at the kiloton-scale commercial plant fully meets "polymer-grade" standards for synthetic polymer feedstock. Typical measured data: Appearance: white crystalline solid or powder, no mechanical impurities (microscopic visual inspection — pass). DMT content: measured 99.75% (spec ≥99.50%, gas chromatography). Melting point: measured 140.6 °C (spec 140.0-142.0 °C, micro-MP apparatus). Acid value: measured 0.02 mg KOH/g (spec ≤0.05, acid-base titration). Ash content: measured 0.001% (spec ≤0.005%, high-T ignition gravimetry). Color: measured 10 Pt-Co (spec ≤15, platinum-cobalt colorimetry). GC analysis shows the major impurity is trace monomethyl terephthalate (MMT); no TPA or other high-boiling carbonised byproducts detected — confirming the exceptional selectivity and stability of the low-T atmospheric route. 5. Cross-Generational Economic & Carbon Advantages 1. Major Capex Reduction With reaction at atmospheric pressure (0.1 MPa) and below 70 °C, the reactor avoids expensive high-pressure alloy steels — standard stainless steel is fully sufficient. Core reaction unit fixed asset capex drops by 60%+, enabling rapid large-scale industrial replication. 2. Deep Energy Optimisation & Low-Carbon Footprint Traditional supercritical methanolysis requires heating the entire system to 250 °C+ and maintaining high pressure — electric or thermal-oil systems consume massive energy. ResourceCycle's process holds temperature at ~65 °C, leveraging plant low-grade waste heat or low-pressure steam. Per ton of waste PET processed, the reaction-stage energy savings reach 45-50%, with significant low-carbon emission reduction. 3. Closed-Loop Clean Production The co-solvent is low-toxicity and low-volatility, with 99.2% recovery in the closed-loop distillation system. Zero wastewater and waste residue discharge throughout the process — perfectly aligned with circular economy and life-cycle clean production requirements. 6. Industrial Significance & Outlook ResourceCycle (Hangzhou) New Materials Co., Ltd., founded August 2024 and rooted in Lin'an District of Hangzhou, has rapidly emerged in the low-carbon new materials track through pioneering spirit. The Green Carbon Joint Research Center with Zhejiang University has successfully translated the "low-T atmospheric methanolysis PET to DMT" disruptive original technology from laboratory to industrialisation. The 10,000+ m² industrial R&D and pilot base plus stable kiloton-per-year commercial plant operation mark a solid foundation for large-scale industrialisation. As a "new quality productivity" benchmark enterprise, ResourceCycle is actively driving global waste plastic circular economy development. The company will further scale up production, extend diversified waste plastic recycling chains, and contribute outstanding technology to global green low-carbon goals. About ResourceCycle Hangzhou Ruisaike New Materials Co., Ltd. (ResourceCycle) was founded in 2024, headquartered in Lin'an District, Hangzhou, Zhejiang, with production base in Huanggang, Hubei. The company focuses on chemical recycling of polyester monomers, producing high-purity Dimethyl Terephthalate (DMT, CAS 120-61-6) and Ethylene Glycol (EG / MEG, CAS 107-21-1) via proprietary low-temperature atmospheric methanolysis process, with annual capacity of 5,000 t DMT + 1,600 t EG. The company holds ISO 9001, ISO 14001, ISO 14067 PCF, ISCC PLUS certifications, co-builds the Green Carbon Joint Research Center with Zhejiang University, and has 12 granted core invention patents. Read More Core Technology: GREEN CIRCLE Methanolysis Process Dimethyl Terephthalate (DMT) Product — CAS 120-61-6 Ethylene Glycol (EG / MEG) Product — CAS 107-21-1 DMT vs PTA Route Selection Guide ISCC PLUS Mass Balance Explained Glossary: Methanolysis Process Glossary: Transesterification Catalyst Certifications Contact Sales: DMT Sample / Quote / COA Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags Low-temperature atmospheric methanolysis PET chemical recycling Polymer-grade DMT Dimethyl Terephthalate Ionic liquid catalysis Co-solvent swelling Green Carbon Joint Research Center New quality productivity Closed-loop polyester recycling Kiloton DMT pilot plant TPA byproduct suppression Zn-Mn catalyst alternative Ruisaike GREEN CIRCLE ResourceCycle methanolysis Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Technology June 2, 2026 Chemical Recycling of Polyester Fiber Waste: From Waste Polyester to High-Purity DMT and Ethylene Glycol ResourceCycle explains the four-step chemical recycling process for polyester fiber (polyester textile) waste — pre-treatment, methanolysis depolymerization, DMT and ethylene glycol separation — producing polyester-grade raw materials with purity ≥99.9% from discarded textiles. Read more 02 Technology May 21, 2026 Low-Temperature Atmospheric Methanolysis of PET to Polymer-Grade DMT: ResourceCycle's New-Quality-Productivity Process Breakthrough ResourceCycle and the Zhejiang University Green Carbon Joint Research Center have developed a disruptive process that completes PET chemical depolymerisation at 64.5 °C atmospheric reflux — achieving 99.2% PET conversion, 99.5% DMT selectivity, 99.75% product purity, 60%+ capex reduction, 45-50% energy savings, with kiloton-per-year commercial operation. Read more 03 Technology May 13, 2026 ResourceCycle as a Low-Carbon DMT Co-Development Platform for Global Closed-Loop Polyester Partnerships Global brands are moving material decisions upstream to the polyester monomer level. With high-purity DMT production, methanolysis R&D and closed-loop material platform capabilities, ResourceCycle is positioned for exclusive joint development programs and long-term pre-purchase agreements. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/21 Title: Chemical Recycling of Polyester Fibre Waste to DMT and EG Description: The four-step route from waste polyester textiles to polyester-grade DMT and ethylene glycol at ≥99.9% purity: pre-treatment to separation. Home Technology Products Solutions News About Contact 中文 Home / En / News / Chemical Recycling of Polyester Fiber Waste: From Waste Polyester to High-Purity DMT and Ethylene Glycol Technology Chemical Recycling of Polyester Fiber Waste: From Waste Polyester to High-Purity DMT and Ethylene Glycol ResourceCycle explains the four-step chemical recycling process for polyester fiber (polyester textile) waste — pre-treatment, methanolysis depolymerization, DMT and ethylene glycol separation — producing polyester-grade raw materials with purity ≥99.9% from discarded textiles. June 2, 2026 · 6 min read TL;DR Polyester fiber waste (waste polyester textiles) is a viable feedstock for chemical recycling — methanolysis depolymerization recovers DMT and ethylene glycol at purity ≥99.9%, equivalent to virgin-grade materials. Four-step process: pre-treatment → methanolysis depolymerization → DMT/EG separation and purification → full QC testing and delivery. Chemical recycling reduces CO₂ emissions by approximately 40-60% compared to petrochemical virgin routes and is eligible for ISCC PLUS Mass Balance certification. Keywords: chemical recycling polyester fiber · methanolysis DMT · chemical recycled DMT · low-carbon polyester raw material · waste polyester recycling The Scale of Polyester Fiber Waste and the Case for Chemical Recycling Polyester fiber (PET fiber, commonly known as polyester or "dacron") is the world's most produced synthetic fiber, with global output exceeding 70 million tonnes in 2025 — China accounts for over 65% of global production. Waste polyester fiber originates from multiple streams: Post-consumer textiles : end-of-life garments, home textiles, workwear, and industrial fabrics made from polyester Industrial fiber production waste : off-specification fiber, waste filament, yarn trimmings, and edge trim generated during manufacturing Waste PET articles : beverage bottles, industrial films, and other PET-based products (identical monomer chemistry to polyester fiber, fully suitable as DMT recycling feedstock) Conventional mechanical recycling melts and reshapes waste polyester, but is limited to low-grade applications such as filler fiber or geotextiles. Repeated mechanical cycling causes progressive degradation of mechanical properties. Chemical recycling breaks ester bonds at the molecular level, depolymerizing polyester back to its monomers — DMT and ethylene glycol — whose quality is indistinguishable from virgin feedstock and suitable for all downstream polyester applications. Chemical vs. Mechanical Recycling: Key Differences Dimension Chemical Recycling Mechanical Recycling Product quality Virgin-equivalent (purity ≥99.9%) Inferior to virgin; contains contaminants Feedstock tolerance Blends, dyed, degraded material accepted Requires relatively clean, single-material streams Recyclability Infinite cycles without property loss Properties degrade with successive cycles Downstream applications All polyester end-uses (PBT / PET / PETG etc.) Limited to low-value applications CO₂ reduction ~40-60% vs. petrochemical virgin route ~15-20% vs. petrochemical virgin route Technical complexity High (requires precision separation/purification) Low (physical melt process) Step-by-Step Chemical Recycling Process ResourceCycle employs methanolysis (methanol-based depolymerization) to chemically recycle polyester waste. The process comprises four main stages: Stage 1: Feedstock Pre-Treatment Waste polyester must undergo rigorous pre-treatment before entering the reactor to remove contaminants that would impair depolymerization and downstream purity: Sorting and size reduction : Waste is roughly sorted by material type and color, then shredded to reactor-compatible particle size (1-5 mm) Decoloring and de-coating : Hot alkaline solution or organic solvent removes dyes, optical brighteners, and functional coatings Metal and foreign material removal : Magnetic separation + air classification removes metal fasteners, zippers, and non-polyester fiber components Moisture control : Drying to moisture content ＜0.5% to prevent unwanted hydrolysis side reactions Pre-treatment quality directly determines the purity achievable in the final DMT and ethylene glycol products. A more thorough pre-treatment means lower purification energy requirements and fewer impurity-related process complications downstream. Stage 2: Methanolysis Depolymerization This is the core chemical recycling step. In the presence of a catalyst and methanol, at elevated temperature and pressure, ester bonds in the polyester chains are cleaved, yielding DMT and ethylene glycol: Reaction conditions : Temperature 160-250°C, pressure 0.5-3 MPa, catalyst system (alkaline catalyst or zinc salt) Conversion rate : ResourceCycle's proprietary high-efficiency solid base catalyst system achieves depolymerization conversion ＞99%; the catalyst is regenerable and recyclable Reactor design : Continuous stirred tank reactor (CSTR) combined with tubular reactor for uniform reaction and continuous production Methanol recovery : Excess methanol is condensed and recycled; overall methanol loss rate ＜2% Stage 3: DMT and Ethylene Glycol Separation and Purification The crude depolymerization liquor is processed through multiple separation and purification steps to yield polyester-grade DMT and ethylene glycol: DMT Purification Route: Filtration to remove insoluble impurities and catalyst residues Low-temperature crystallization: DMT crystallizes out; colored impurities remain in the mother liquor Recrystallization: a second crystallization cycle further raises purity Vacuum sublimation or rectification: eliminates residual color bodies and trace impurities Final product: purity ≥99.9%, color (HAZEN) ≤5, meeting polyester-grade specification Ethylene Glycol (EG) Purification Route: Distillation to separate ethylene glycol from methanol and water Activated carbon decolorization Rectification column for further purification Final product: EG purity ≥99.9%, UV transmittance meeting polyester-grade requirements Stage 4: Quality Testing and Delivery Every batch is fully tested against all specification parameters before shipment. Standard deliverables include a Certificate of Analysis (COA) and Safety Data Sheet (MSDS / SDS): Parameter Polyester-Grade Industry Standard ResourceCycle Typical Value DMT purity ≥99.5% ≥99.9% Color (HAZEN) ≤10 ≤5 Acid value (mgKOH/g) ≤0.01 ＜0.005 Fe ion content (ppm) ≤1 ＜0.5 Ash content (%) ≤0.005 ＜0.003 Moisture (%) ≤0.1 ＜0.05 Downstream Applications of Chemically Recycled DMT High-purity DMT produced via chemical recycling is a direct drop-in replacement for virgin DMT across all downstream applications: PBT engineering plastics : EV connectors, charging infrastructure, 5G base station components, precision electronics PETG / PCTG copolyesters : premium packaging, food-contact materials, cosmetic bottles, baby products PCT engineering plastics : medical devices, high-temperature electrical components, optical applications Polyester resins and polyols : industrial coatings, appliance coatings, coil coatings, powder coating polyester polyols PBAT biodegradable plastics : compostable film bags, agricultural mulch film, biodegradable packaging Carbon Footprint and Sustainability Certification Chemical recycling delivers significant carbon advantages over petrochemical virgin production: CO₂ emissions reduced by approximately 40-60% (full lifecycle LCA basis) Eligible for ISCC PLUS Mass Balance certification Compliant with ISO 14067 carbon footprint accounting Enables downstream brands to claim verified Scope 3 emission reductions with traceable documentation Supports compliance with EU CSRD, REACH, and EPD (Environmental Product Declaration) frameworks ResourceCycle's Chemical Recycling Production Capacity ResourceCycle (Hangzhou) New Materials employs proprietary chemical recycling technology at its Huanggang production base: Annual capacity : High-purity DMT 5,000 t/year + ethylene glycol 1,600 t/year Feedstock flexibility : Processes waste polyester fiber, waste PET bottles, and industrial polyester scrap from multiple source streams Batch consistency : Purity variation between batches ＜0.05%; stable color specification Documentation : Standard COA and MSDS delivery; ISCC PLUS Mass Balance traceability; full export documentation support Frequently Asked Questions Q1: Is chemically recycled DMT performance-equivalent to virgin DMT? Yes — when process controls are in place, chemically recycled DMT is specification-identical to virgin DMT across all key parameters (purity, color, acid value, Fe content). ResourceCycle provides polyester-grade DMT at purity ≥99.9%. Customers are welcome to request product samples for independent verification testing; third-party COA reports are available for direct comparison. Q2: What sustainability documentation is available for recycled DMT? ResourceCycle supplies ISCC PLUS Mass Balance certificates, COAs with full analytical data, and ISO 14067-based carbon footprint reports. This documentation package meets the green supply chain management requirements of brand owners, and supports EU CSRD disclosures and EPD declarations. Q3: What are the MOQ and lead times? Minimum order quantity for DMT is 1 tonne; sample quantities are available for evaluation. Bulk procurement can be structured under framework agreements with scheduled delivery. Contact the ResourceCycle sales team for current pricing, availability, and lead time confirmation. Conclusion Chemical recycling of polyester fiber waste is the most technically rigorous and commercially scalable route toward a true closed-loop polyester economy. The process — from waste polyester textiles through methanolysis to high-purity DMT and ethylene glycol — simultaneously addresses end-of-life textile waste disposal and provides low-carbon, traceable, virgin-equivalent raw materials to PBT, PETG, coating resin, and specialty polyester manufacturers. ResourceCycle is committed to deepening its proprietary chemical recycling capabilities to deliver stable, high-quality polyester-grade DMT and EG supply to customers worldwide. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags chemical recycling polyester fiber polyester textile waste recycling methanolysis DMT chemical recycled DMT Dimethyl Terephthalate from recycled PET PET chemical recycling process low-carbon DMT supplier ISCC PLUS DMT polyester fiber depolymerization recycled polyester raw material waste polyester methanolysis sustainable DMT manufacturer China Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Technology June 2, 2026 Chemical Recycling of Polyester Fiber Waste: From Waste Polyester to High-Purity DMT and Ethylene Glycol ResourceCycle explains the four-step chemical recycling process for polyester fiber (polyester textile) waste — pre-treatment, methanolysis depolymerization, DMT and ethylene glycol separation — producing polyester-grade raw materials with purity ≥99.9% from discarded textiles. Read more 02 Technology May 21, 2026 Low-Temperature Atmospheric Methanolysis of PET to Polymer-Grade DMT: ResourceCycle's New-Quality-Productivity Process Breakthrough ResourceCycle and the Zhejiang University Green Carbon Joint Research Center have developed a disruptive process that completes PET chemical depolymerisation at 64.5 °C atmospheric reflux — achieving 99.2% PET conversion, 99.5% DMT selectivity, 99.75% product purity, 60%+ capex reduction, 45-50% energy savings, with kiloton-per-year commercial operation. Read more 03 Technology May 13, 2026 ResourceCycle as a Low-Carbon DMT Co-Development Platform for Global Closed-Loop Polyester Partnerships Global brands are moving material decisions upstream to the polyester monomer level. With high-purity DMT production, methanolysis R&D and closed-loop material platform capabilities, ResourceCycle is positioned for exclusive joint development programs and long-term pre-purchase agreements. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/3 Title: China Recycled-Materials Policy and the DMT Market Description: China's recycled-materials policy is opening long-term demand for low-carbon, polyester-grade DMT and traceable raw material supply chains. Home Technology Products Solutions News About Contact 中文 Home / En / News / Recycled Materials Policy Drives Low-Carbon Polyester Raw Materials: Opportunities for DMT Suppliers Industry Trends Recycled Materials Policy Drives Low-Carbon Polyester Raw Materials: Opportunities for DMT Suppliers China's policy support for recycled materials and low-carbon industries creates long-term opportunities for low-carbon DMT, polyester-grade Dimethyl Terephthalate and high-quality polyester raw material supply chains. April 10, 2025 · 3 min read TL;DR China's policy push on recycled materials and low-carbon industry creates long-term opportunity for low-carbon DMT, high-quality polyester feedstock and the Dimethyl Terephthalate supply chain. ResourceCycle reads the policy from the angle of DMT production, quality documentation and downstream application. Keywords: recycled materials policy · low-carbon DMT · Dimethyl Terephthalate market outlook · DMT supplier · polyester-grade DMT Policy Tailwind: Low-Carbon Polyester Feedstock Enters a Faster Lane To implement central government decisions on carbon peaking and carbon neutrality and accelerate high-quality development of the recycled-materials industry, seven ministries — the National Development and Reform Commission, the Ministry of Industry and Information Technology, the Ministry of Ecology and Environment, the Ministry of Commerce, the Ministry of Housing and Urban-Rural Development, the State Administration for Market Regulation, and the Government Offices Administration — have jointly issued the Action Plan for the Application and Promotion of Recycled Materials. Why now China generates over 60 million tonnes of waste plastic annually, with a recycling rate of only around 30% Chemical recycling technology has matured to the point where industrialisation is practical The EU and other developed markets already mandate minimum recycled-content ratios Five Priority Tasks 1. Drive recycled materials into key sectors The plan targets high-value sectors — automotive, electronics and packaging — to raise market penetration of recycled materials. Automotive : recycled plastics in vehicle components, targeting a 15% recycled-content rate by 2030 Electronics : recycled content in electronic products, targeting 20% by 2030 Packaging : PET beverage bottles to contain no less than 30% recycled material by 2025 2. Back industrial demonstration by leading firms Companies with proprietary technology are encouraged to build 10,000-tonne-scale projects that establish a replicable commercial model. Funding support of up to RMB 50 million for 10,000-tonne-scale projects Priority inclusion in the national green finance project pool Support for leading firms to build industrial demonstration parks 3. Complete the standards framework Product standards for chemically recycled plastics are being accelerated, alongside a quality certification system aligned with international practice. Ten or more national and industry standards to be drafted Mutual recognition between Chinese and international standards A traceability system for recycled materials covering the full lifecycle 4. Tighten quality supervision A full-lifecycle quality traceability system is to be established so that recycled-material product quality is stable and verifiable. A national recycled-material quality traceability platform Periodic spot-check inspection of product quality An exit mechanism for non-conforming products 5. Build a healthy market environment Green procurement policy is to be strengthened, with public institutions prioritising recycled-material products. Recycled materials to account for no less than 30% of government procurement Tax incentives for enterprises using recycled materials Green consumption awareness campaigns to raise public understanding A Green Upgrade Window for the DMT Supply Chain Policy support for high-quality recycled materials, low-carbon feedstock and industrial demonstration will push brands and materials companies to pay far closer attention to the carbon profile of what they buy upstream. For a DMT supplier, that means competing on more than price and lead time: purity specification, quality documentation, batch traceability and sustained supply capability all become part of the offer. Policy timeline Milestone Target 2025 3–5 chemical-recycling demonstration projects at 10,000-tonne scale in operation 2027 15% recycled-material application rate in priority sectors 2030 50% recycled content in PET beverage bottles; 10+ industrial bases established How ResourceCycle Is Responding As a producer and supplier of high-purity DMT and ethylene glycol, ResourceCycle is aligning with both the policy direction and customer demand: Increasing R&D investment, with a 50% increase planned for 2025 Advancing construction of the Huanggang DMT and ethylene glycol production base Strengthening DMT COA, MSDS, batch traceability and analytical testing systems Working with Zhejiang University on DMT catalysis, purification and green process technology Policy keywords : low-carbon DMT | recycled materials policy | Dimethyl Terephthalate market outlook | polyester-grade DMT | green supply chain What This Means for Buyers Policy raises the profile of low-carbon polyester feedstock, but purchasing decisions still turn on product quality, supply stability and complete documentation. PBT, PET and PETG buyers evaluating DMT suppliers should look at capacity, batch-to-batch consistency, COA/MSDS delivery capability and the long-term pricing mechanism alongside any green credentials. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags recycled materials policy low-carbon DMT Dimethyl Terephthalate market outlook DMT supplier polyester-grade DMT DMT for PBT DMT monomer for PET resin low-carbon polyester raw materials Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Industry Trends November 12, 2025 DMT Procurement Guide: How to Choose Solid Flake, Briquette and Liquid Dimethyl Terephthalate Compare DMT solid flake, briquette and liquid forms across packaging, transport, feeding, storage and downstream applications to support procurement decisions for PBT, PET and PETG customers. Read more 02 Industry Trends August 22, 2025 DMT Supplier Compliance Review Guide: Hazardous Chemical Management, ISO 14001 and COA/MSDS Documents DMT procurement should review not only price and purity, but also supplier compliance, hazardous chemical management, ISO 14001, COA/MSDS documents and batch traceability. Read more 03 Industry Trends April 10, 2025 Recycled Materials Policy Drives Low-Carbon Polyester Raw Materials: Opportunities for DMT Suppliers China's policy support for recycled materials and low-carbon industries creates long-term opportunities for low-carbon DMT, polyester-grade Dimethyl Terephthalate and high-quality polyester raw material supply chains. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/4 Title: Low-Carbon DMT Under China's Carbon Neutrality Goals Description: Carbon neutrality and circular-economy rules are making low-carbon, polyester-grade DMT and transparent supply chains decisive for PBT and PET buyers. Home Technology Products Solutions News About Contact 中文 Home / En / News / Low-Carbon DMT Opportunities Under Carbon Neutrality Goals: How Dimethyl Terephthalate Supply Chains Support Green Polyester Materials Industry Trends Low-Carbon DMT Opportunities Under Carbon Neutrality Goals: How Dimethyl Terephthalate Supply Chains Support Green Polyester Materials Under carbon neutrality and circular economy policies, low-carbon DMT, polyester-grade Dimethyl Terephthalate and transparent supply chains are becoming more important for PBT, PET and PETG customers. March 5, 2025 · 3 min read TL;DR Against the backdrop of China's dual-carbon goals, circular-economy policy and recycled-material regulation, this article looks at the long-term value of low-carbon DMT, polyester-grade Dimethyl Terephthalate and green supply chains for PBT, PET and PETG applications. Keywords: dual carbon goals · low-carbon DMT · Dimethyl Terephthalate supply chain · green polyester materials · polyester-grade DMT Dual-Carbon Goals Are Pushing the Green Upgrade Upstream As carbon-neutrality targets and circular-economy policy continue to advance, low-carbon feedstock is shifting from an ESG talking point to a genuine purchasing requirement. For polyester materials producers, the carbon footprint, supply stability and quality documentation of upstream monomers — DMT, PTA, EG — now feed directly into how downstream products are assessed and how they fare in brand-customer audits. Background to the proposal China generates over 60 million tonnes of waste plastic a year, the highest volume globally Mechanical recycling is approaching its ceiling; chemical recycling is the route to a genuine closed loop Europe, the US and Japan have already commercialised chemical recycling; China needs to move faster Chemical recycling of waste plastics carries 100–200 million tonnes of carbon reduction potential Five Dimensions Shaping the Low-Carbon DMT Industry 1. Strengthen top-level design with a dedicated plan The proposal calls for national and industry-level planning around low-carbon feedstock, recycled materials and green supply chains — with explicit development targets, quality standards and certification pathways for high-quality polyester feedstock. An industry roadmap for 2025–2035 A 5 million tonne chemical-recycling throughput target by 2030 Inclusion of chemical recycling in the 14th Five-Year Plan circular-economy programme 2. Increase R&D investment The proposal recommends a dedicated national key R&D programme covering low-carbon production of key polyester monomers such as DMT and EG, catalyst development, purification processes, domestic equipment manufacture and analytical methods. A dedicated R&D fund of no less than RMB 5 billion Support for 3–5 national innovation centres Policy support for first-of-type major technical equipment Deeper technical cooperation with international leaders 3. Complete the policy support framework Fiscal, tax and financial measures are proposed for chemical-recycling companies, including VAT refund-upon-collection, income tax relief and green credit support. VAT : 80% refund upon collection Corporate income tax : exempt for the first three years, halved for the following three Green credit : interest rates 20% below benchmark Carbon market : priority inclusion in CCER 4. Build out the standards system National, industry and association standards for green polyester feedstock are to be accelerated, covering DMT purity, impurities, carbon footprint, COA/MSDS and batch traceability requirements. Twenty or more national standards A certification system for chemically recycled products Full-lifecycle traceability for products Mutual recognition with international standards 5. Raise awareness Broader communication of why chemical recycling matters, to build understanding and participation across society and cultivate a green consumer market. Public science communication campaigns Recognition of benchmark companies and demonstration projects Promotion of green procurement and green consumption Stronger international exchange and cooperation Significance and Expected Impact The proposal by CPPCC member Li Jinghong drew broad support from fellow delegates, with several co-signing. It is expected to advance the following: MIIT to include chemical recycling among 14th Five-Year Plan priority tasks NDRC to develop dedicated support policies MOST to launch a national key R&D programme An estimated RMB 100 billion+ in mobilised social investment Keywords : low-carbon DMT | dual carbon goals | green polyester materials | Dimethyl Terephthalate supplier | DMT carbon footprint The ResourceCycle View: Policy Opportunity Still Resolves to Supply Capability Dual-carbon policy provides a durable demand base for low-carbon DMT, but customers buy on verifiable product capability. ResourceCycle's focus stays where purchasing decisions are actually made: high-purity Dimethyl Terephthalate, ethylene glycol co-production, COA/MSDS documentation, batch traceability and customised delivery for PBT, PET, PETG and specialty polyester customers sourcing green feedstock. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags carbon neutrality low-carbon DMT Dimethyl Terephthalate supply chain green polyester materials polyester-grade DMT DMT for PBT DMT monomer for PET DMT carbon footprint Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Industry Trends November 12, 2025 DMT Procurement Guide: How to Choose Solid Flake, Briquette and Liquid Dimethyl Terephthalate Compare DMT solid flake, briquette and liquid forms across packaging, transport, feeding, storage and downstream applications to support procurement decisions for PBT, PET and PETG customers. Read more 02 Industry Trends August 22, 2025 DMT Supplier Compliance Review Guide: Hazardous Chemical Management, ISO 14001 and COA/MSDS Documents DMT procurement should review not only price and purity, but also supplier compliance, hazardous chemical management, ISO 14001, COA/MSDS documents and batch traceability. Read more 03 Industry Trends April 10, 2025 Recycled Materials Policy Drives Low-Carbon Polyester Raw Materials: Opportunities for DMT Suppliers China's policy support for recycled materials and low-carbon industries creates long-term opportunities for low-carbon DMT, polyester-grade Dimethyl Terephthalate and high-quality polyester raw material supply chains. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/5 Title: DMT Market Outlook: PBT, PETG and Polyester Demand Description: Where DMT demand is heading — growth in PET, PBT, PETG, polyester fibre and packaging, and what it means for low-carbon DMT suppliers in China. Home Technology Products Solutions News About Contact 中文 Home / En / News / Global Polyester Materials Growth Drives DMT Demand: Market Outlook for PBT, PETG and Low-Carbon Polyester Raw Materials Market Front Global Polyester Materials Growth Drives DMT Demand: Market Outlook for PBT, PETG and Low-Carbon Polyester Raw Materials This article analyzes Dimethyl Terephthalate (DMT) market opportunities from growth in PET, PBT, PETG, polyester fiber and packaging materials, highlighting low-carbon polyester raw materials and China DMT suppliers. February 15, 2025 · 5 min read TL;DR This article analyzes Dimethyl Terephthalate (DMT) market opportunities from growth in PET, PBT, PETG, polyester fiber and packaging materials, highlighting low-carbon polyester raw materials and China DMT suppliers. Keywords: Dimethyl Terephthalate market outlook · DMT market · polyester-grade DMT · DMT for PBT · DMT for PETG Polyester Growth Is Pulling DMT Demand Upmarket Global markets for PET, PBT, PETG, PCTG, polyester fibre and coating resins keep expanding, and that growth is forcing an upgrade in the upstream monomer supply chain. As a core polyester feedstock, Dimethyl Terephthalate (DMT) is seeing demand shift toward higher purity, tighter consistency and lower-carbon sourcing. Market size forecast Year Market size (USD bn) Growth 2025 approx. 8.5 - 2030 approx. 15.0 +76% 2035 over 24.7 +65% CAGR 11.3% - Headline projections: 2025 market size: approx. USD 8.5 billion 2035 market size: over USD 24.7 billion Compound annual growth rate: 11.3% Four Core Drivers ① Brand owners are forcing the low-carbon upgrade Global brands are raising low-carbon and traceability requirements across packaging, textiles, automotive and electronics materials — which pushes DMT and EG suppliers to deliver fuller quality and carbon data alongside the product. EU : ≥25% recycled content in PET bottles by 2025, ≥30% by 2030 China : non-degradable plastics banned in prefecture-level cities and above from 2025 US : mandatory recycling regulations enacted in multiple states ② Food and beverage demand is accelerating Coca-Cola, Nestlé, Danone and other majors have committed to more than 50% recycled PET in packaging by 2025, creating demand measured in tens of millions of tonnes. Coca-Cola : 50% recycled plastic by 2030 PepsiCo : 50% recycled plastic by 2030 Nestlé : 30% recycled plastic by 2025 ③ Textiles are deepening the application base Recycled PET fibre (rPET) is spreading through apparel, home textiles and automotive interiors, with demand growing more than 15% a year. H&M : 100% sustainable materials by 2030 Nike : 50% recycled material content by 2025 Adidas : 100% recycled materials from 2024 ④ High-purity DMT applications are expanding PBT, PETG, PCTG, specialty polyester film and coating resins all impose tighter requirements on DMT purity, colour, acid value and batch-to-batch consistency. Product quality : polyester-grade DMT needs purity around 99.9% held stable across batches Applications : moving from commodity polyester into high-clarity, high chemical-resistance and high-end engineering plastics Cost control : scale supply and process stability dampen purchasing volatility Regional Market Structure Industry research identifies Asia Pacific as the largest PET recycling market globally , holding more than 40% of world market share. Regional share Region Market share Growth Asia Pacific 40%+ Highest Europe 25% Steady North America 20% Rapid Rest of world 15% Growing The China opportunity China is the world's largest producer and consumer of PET Annual waste PET generation exceeds 10 million tonnes It has the most complete value chain and the largest waste-plastic collection network It will play a central role in the global PET recycling market ResourceCycle: Capturing the Supply-Chain Upgrade As a producer and supplier of high-purity DMT and ethylene glycol, ResourceCycle is positioning against this shift: Increasing R&D investment, with an 80% increase in 2025 Advancing the Huanggang DMT and ethylene glycol production base Working with Zhejiang University on core process technology Building relationships with tier-one customers to secure long-term volume The commercial focus stays on DMT purity, COA/MSDS documentation, volume delivery and customised supply for PBT, PET, PETG, coating resin and polyester fibre customers. Keywords : Dimethyl Terephthalate market outlook | DMT market | polyester-grade DMT | PBT feedstock | low-carbon polyester raw materials Procurement Advice: Lock In Stable DMT Supply Early In a market where demand growth and price volatility arrive together, downstream buyers should assess supplier capacity, pricing mechanism, quality documentation and application support well ahead of need. Customers running continuous production should start annual framework agreements and sample qualification early rather than at the point of shortage. Frequently Asked Questions Q1: How large is the global DMT market and how fast is it growing? Industry research puts the global PET circular-economy market at roughly USD 8.5 billion in 2025, rising above USD 24.7 billion by 2035 — a CAGR of about 11.3%. Polyester-grade DMT, as one of the higher-specification monomers, is growing faster than that average in PBT, PETG and PCTG applications. Q2: Why is brand demand for low-carbon DMT rising so quickly? Coca-Cola, Nestlé, H&M and Nike have all committed to recycled-plastic content above 50% in the 2025–2030 window. Those commitments transmit upstream: DMT and EG suppliers are now asked for low-carbon sourcing, ISCC PLUS certification and complete ISO 14067 carbon footprint reporting. Q3: Why is Asia Pacific the largest PET recycling market? Asia Pacific holds over 40% of the global PET recycling market. The drivers are a complete value chain (China alone generates more than 10 million tonnes of waste PET a year), policy support (chemical recycling designated a strategic emerging industry), demand scale (first in both PET production and consumption), and mature collection infrastructure. Q4: How does PETG / PCTG growth affect DMT supply? PETG and PCTG demand is growing 15%+ annually across cosmetics packaging, infant and child products, medical devices and high-clarity packaging. These copolyesters demand significantly more of DMT than commodity PET does — purity ≥99.9%, colour ≤5 APHA, and tight batch consistency — which pushes suppliers to raise process stability and quality control. Q5: How is ResourceCycle participating in this upgrade? ResourceCycle produces high-purity DMT (5,000 t/y) and EG (1,600 t/y) via chemical recycling at purity ≥99.9%, operates a joint research centre with Zhejiang University, increased R&D investment 80% in 2025, and runs a kiloton-scale industrial base at Huanggang — with a focus on serving brand-owner green procurement commitments. Related Reading Dimethyl Terephthalate (DMT, CAS 120-61-6) — specifications, MSDS / COA Ethylene Glycol (EG / MEG, CAS 107-21-1) — specifications, MSDS / COA Chemical methanolysis DMT process and core technology DMT / EG market outlook and brand recycled-plastic commitments Policy: chemical recycling as a strategic emerging industry Case studies: Zhejiang University joint research centre and the Huanggang project Contact sales — DMT quotation, samples, COA requests About ResourceCycle Ruisaike (Hangzhou) New Materials Co., Ltd. is a chemical-process manufacturer of DMT and ethylene glycol. Annual capacity is 5,000 tonnes of DMT plus 1,600 tonnes of ethylene glycol, at purity ≥99.9% — meeting polyester-grade virgin material standards. The company operates a joint research centre with Zhejiang University, holds 12 core patents, and is certified to ISO 14001 and ISO 9001. Products serve PBT, PETG, PCTG, PET resin, polyester fibre, polyester coatings, automotive antifreeze and unsaturated polyester resin. Domestic road freight and sea export are both supported (EXW / FOB / CIF / DAP), with a 1-tonne minimum order, 7–30 day lead times, custom COA, sample requests and ESG documentation support. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags Dimethyl Terephthalate market outlook DMT market polyester-grade DMT DMT for PBT DMT for PETG DMT monomer for PET resin low-carbon polyester raw materials DMT price trend DMT spot market prices forecasting Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Market Outlook May 11, 2026 2026 Global Supply Chain Reshaping: DMT Market Outlook, Price Trends & China Sourcing Strategy An in-depth analysis of the 2026 DMT global supply-demand landscape transformation — from macro market outlook, PX-DMT cost transmission mechanisms, and PTA substitution dynamics to China's integrated advantages and low-cost sourcing strategies, providing supply chain executives with a strategic and actionable intelligence guide. Read more 02 Green Carbon December 8, 2025 Low-Carbon DMT Carbon Footprint: How Polyester-Grade Dimethyl Terephthalate Supply Chains Reduce Scope 3 Emissions Using ISO 14067 and LCA principles, this article explains how polyester-grade DMT suppliers can manage carbon footprint across raw materials, production, energy and logistics for PBT, PET and PETG customers. Read more 03 Green Carbon July 30, 2025 ESG Value of DMT Supply Chains: How Low-Carbon Dimethyl Terephthalate Supports Scope 3 Disclosure From Scope 3 accounting, product carbon footprint, COA/MSDS, batch traceability and green supply-chain audits, learn how low-carbon DMT suppliers support ESG disclosure for PBT, PET and PETG customers. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/6 Title: DMT Process Routes Compared: Methanolysis vs Esterification Description: How methanolysis, esterification and pyrolysis routes differ in conditions, purity, energy use and stability — and why the route decides DMT quality. Home Technology Products Solutions News About Contact 中文 Home / En / News / DMT Production Process Comparison: How Methanolysis, Esterification and Pyrolysis Routes Affect Dimethyl Terephthalate Purity Technology DMT Production Process Comparison: How Methanolysis, Esterification and Pyrolysis Routes Affect Dimethyl Terephthalate Purity A practical comparison of DMT production routes, reaction conditions, purity, energy consumption and industrial stability, explaining why high-purity Dimethyl Terephthalate suppliers must control process quality. November 30, 2025 · 4 min read TL;DR A practical comparison of DMT production routes, reaction conditions, purity, energy consumption and industrial stability, explaining why high-purity Dimethyl Terephthalate suppliers must control process quality. Keywords: DMT production process · methanolysis · esterification · pyrolysis · high-purity DMT Why the Production Route Determines DMT Purity Dimethyl Terephthalate (DMT, CAS 120-61-6) is a key monomer for PBT, PET, PETG and specialty polyester materials. For downstream customers, the production route affects far more than price — it directly determines purity, colour, acid value, impurity control and batch-to-batch stability. The common routes are methanolysis (alcoholysis), esterification, and pyrolysis, the last of which is oriented more toward bulk waste recovery than monomer production. Reaction conditions, product structure and downstream separation difficulty differ substantially between them. When sourcing high-purity DMT, the quote is not the whole picture: the supplier's process control and quality documentation capability matter at least as much. Where ResourceCycle focuses: in high-purity DMT production, the controlled variables are reaction conversion, refining and purification, colour, acid value and batch consistency — meeting the ≥99.9% purity requirement of polyester-grade applications. Methanolysis: the route that yields high-purity monomer Methanolysis works by using methanol or glycol solvents, under catalysis, to break the ester bonds in the PET molecular chain — depolymerising it in a directed way into Dimethyl Terephthalate (DMT) or terephthalic acid (TPA) together with ethylene glycol (EG). 98%+ DMT purity True closed loop Direct monomer regeneration 2.5 t CO₂ avoided per tonne waste PET ResourceCycle's proprietary R-DMT technology is built on the methanolysis route, using a patented catalyst system that lifts recovery to an industry-leading level. Pyrolysis: broad feedstock tolerance, wrong tool for high-purity DMT Pyrolysis converts mixed plastics into pyrolysis oil, gas and carbon black through oxygen-free thermal cracking at high temperature (300–700 °C). Low feedstock requirements : handles mixed waste plastics without sorting Complex product slate : requires extensive downstream distillation Higher energy use : high-temperature operation drives up energy and equipment cost Side-by-side comparison and what it means for buyers Dimension Methanolysis Pyrolysis Product quality High-purity recycled monomer Substitutes for petrochemical feedstock Pyrolysis oil Mainly fuel or low-value feedstock Carbon reduction approx. 2.5 t CO₂ per tonne waste PET Limited Industrial maturity Already at commercial scale Still being optimised Best fit Closed-loop PET recycling Mixed waste plastic processing Procurement advice: if the sourcing target is high-purity DMT for PBT, PETG, specialty polyester or coating resin, evaluate whether the supplier can hold purification stability, deliver COA/MSDS on demand and manage batch consistency — rather than comparing price per tonne alone. Frequently Asked Questions Q1: What is the difference between methanolysis, esterification and pyrolysis? Methanolysis reacts methanol with waste PET or terephthalic acid (TPA) to produce DMT and EG directly, giving high purity and stable batches suited to polyester-grade supply. Esterification produces DMT from TPA and methanol — a mature process, but with higher energy consumption. Pyrolysis thermally cracks waste polyester before re-synthesis; colour and acid value are harder to control, and it remains largely at research stage for this purpose. Q2: Which route is best for polyester-grade DMT at ≥99.9% purity? Chemical methanolysis. Controlling four stages — reaction temperature, catalyst selection, distillation purification, and decolorization/deacidification — delivers purity ≥99.9%, colour ≤5 APHA and acid value ≤0.01 mg KOH/g. Q3: How does the production route affect downstream PBT and PETG applications? DMT purity, colour, acid value and iron content translate directly into PBT viscosity, PETG clarity and PCTG impact resistance. Polyester-grade DMT at ≥99.9% can go straight into industrial polymerisation, avoiding re-purification and reducing both energy use and reject rates. Q4: How much less energy does the chemical DMT route use than the PTA route? The chemical DMT process uses 30%+ less energy than the conventional PTA route, avoiding roughly 1.4 tonnes of CO₂ per tonne of DMT. Combined with recycled feedstock sourcing, this supports a complete ISO 14067 carbon footprint report for brand customers. Q5: How do you assess the industrial stability of a DMT process? The indicators that matter: continuous run time, batch purity RSD, catalyst life and recovery rate, by-product handling, and COA consistency. ResourceCycle's kiloton-scale Huanggang plant runs stably and provides full batch traceability. Related Reading Dimethyl Terephthalate (DMT, CAS 120-61-6) — specifications, MSDS / COA Ethylene Glycol (EG / MEG, CAS 107-21-1) — specifications, MSDS / COA Chemical methanolysis DMT process and core technology DMT / EG market outlook and brand recycled-plastic commitments Policy: chemical recycling as a strategic emerging industry Case studies: Zhejiang University joint research centre and the Huanggang project Contact sales — DMT quotation, samples, COA requests About ResourceCycle Ruisaike (Hangzhou) New Materials Co., Ltd. is a chemical-process manufacturer of DMT and ethylene glycol. Annual capacity is 5,000 tonnes of DMT plus 1,600 tonnes of ethylene glycol, at purity ≥99.9% — meeting polyester-grade virgin material standards. The company operates a joint research centre with Zhejiang University, holds 12 core patents, and is certified to ISO 14001 and ISO 9001. Products serve PBT, PETG, PCTG, PET resin, polyester fibre, polyester coatings, automotive antifreeze and unsaturated polyester resin. Domestic road freight and sea export are both supported (EXW / FOB / CIF / DAP), with a 1-tonne minimum order, 7–30 day lead times, custom COA, sample requests and ESG documentation support. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags DMT production process chemical DMT process Dimethyl Terephthalate purity high-purity DMT DMT purity parameter >99.9% Dimethyl 1,4-benzene dicarboxylate specifications polyester-grade DMT Dimethyl Terephthalate supplier Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Technology June 2, 2026 Chemical Recycling of Polyester Fiber Waste: From Waste Polyester to High-Purity DMT and Ethylene Glycol ResourceCycle explains the four-step chemical recycling process for polyester fiber (polyester textile) waste — pre-treatment, methanolysis depolymerization, DMT and ethylene glycol separation — producing polyester-grade raw materials with purity ≥99.9% from discarded textiles. Read more 02 Technology May 21, 2026 Low-Temperature Atmospheric Methanolysis of PET to Polymer-Grade DMT: ResourceCycle's New-Quality-Productivity Process Breakthrough ResourceCycle and the Zhejiang University Green Carbon Joint Research Center have developed a disruptive process that completes PET chemical depolymerisation at 64.5 °C atmospheric reflux — achieving 99.2% PET conversion, 99.5% DMT selectivity, 99.75% product purity, 60%+ capex reduction, 45-50% energy savings, with kiloton-per-year commercial operation. Read more 03 Technology May 13, 2026 ResourceCycle as a Low-Carbon DMT Co-Development Platform for Global Closed-Loop Polyester Partnerships Global brands are moving material decisions upstream to the polyester monomer level. With high-purity DMT production, methanolysis R&D and closed-loop material platform capabilities, ResourceCycle is positioned for exclusive joint development programs and long-term pre-purchase agreements. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/7 Title: High-Purity DMT Specs: Purity, Colour, Acid Value, COA Description: A buyer's guide to polyester-grade DMT specifications: purity ≥99.9%, colour, acid value, ash, iron, and how to read a COA before you order. Home Technology Products Solutions News About Contact 中文 Home / En / News / High-Purity DMT Specifications: Dimethyl Terephthalate Purity, Color, Acid Value and COA Review Points Technology High-Purity DMT Specifications: Dimethyl Terephthalate Purity, Color, Acid Value and COA Review Points A practical guide to polyester-grade DMT specifications including purity ≥99.9%, color, acid value, ash, iron content, COA/MSDS documents and application matching for PBT, PET and PETG customers. May 20, 2025 · 3 min read TL;DR A practical guide to polyester-grade DMT specifications including purity ≥99.9%, color, acid value, ash, iron content, COA/MSDS documents and application matching for PBT, PET and PETG customers. Keywords: high-purity DMT specifications · DMT COA · DMT MSDS · polyester-grade DMT · DMT acid value High-Purity DMT: The Specification Behind the Polyester Dimethyl Terephthalate (DMT) is a primary feedstock for PBT, PET, PETG, PCTG, polyester fibre and coating resins. Whether a given lot qualifies as polyester-grade is not settled by purity alone — colour, acid value, ash, iron content, physical form and the completeness of the COA/MSDS package all belong in the assessment. Quality highlights Indicator ResourceCycle DMT Note Purity ≥99.9% Exceeds premium-grade standard Colour (Hazen) ≤8 Against a ≤10 standard Heavy metal residue Not detected SGS certified Specification comparison Test item Premium-grade standard ResourceCycle DMT Status Purity ≥99.5% ≥99.9% Exceeds Acid value ≤0.05 mg KOH/g ≤0.03 mg KOH/g Exceeds Colour (Hazen) ≤10 ≤8 Exceeds Heavy metal residue Compliant with GB standard SGS certified Certified Primary applications Polyester fibre feedstock — high-purity DMT supports polymerisation stability, colour control and downstream fibre quality. PET film and packaging — DMT feeds PET film and PETG/PCTG copolyester applications, where clarity, colour and impurity control requirements are stricter. Engineering plastics — DMT is a key input to PBT (polybutylene terephthalate), serving automotive electronics and electrical insulation . Cost position With crude above USD 70 per barrel, recycled DMT runs 15–20% below the petrochemical route on cost As carbon allowance prices rise, the green premium on R-DMT becomes more pronounced Chinese demand for recycled DMT is projected to exceed 200,000 tonnes per year by 2026 Addressable market potential runs to the tens of billions of RMB How to review a DMT COA When purchasing DMT, examine the COA for purity, melting point, acid value, colour, ash, iron content, moisture and the test methods used — then confirm against your specific application whether those figures actually satisfy your polymerisation requirements. ResourceCycle can provide DMT samples, COA/MSDS documentation and volume supply discussion matched to your application. Frequently Asked Questions Q1: What are the core specifications for polyester-grade DMT? Purity ≥99.9% (GC), colour ≤5 APHA, acid value ≤0.01 mg KOH/g, moisture ≤0.1% (Karl Fischer), ash ≤0.001%, iron ≤0.5 ppm, melting point 140–142 °C. All of these exceed the requirements of GB/T 1668. Q2: What should a DMT COA contain? A complete COA carries: batch number, production date, purity (GC%), colour (APHA), acid value, moisture, ash, iron content, melting point, appearance, shelf life, test methods and standards, issuing signature, and third-party laboratory stamp. ResourceCycle issues a COA for every batch. Q3: What must a DMT MSDS include? Sixteen sections: chemical identification, hazard summary, composition information, first-aid measures, fire-fighting measures, accidental release, handling and storage, exposure controls, physical and chemical properties, stability and reactivity, toxicological and ecological information, disposal, transport, regulatory information, and other information. Q4: Do PBT and PETG require different DMT specifications? Yes. PBT is more sensitive to viscosity and acid value, requiring acid value ≤0.01. PETG and PCTG high-clarity applications are stricter on colour, requiring ≤5 APHA. ResourceCycle can tailor the COA test panel to the downstream application. Q5: How should a buyer assess a DMT supplier's quality delivery capability? Check whether purity, colour and acid value meet specification; whether the COA is third-party tested; whether the MSDS is complete; batch-to-batch consistency (RSD); whether samples are offered for qualification; whether ISO 14001 / 9001 system audits are supported; and whether carbon footprint and ESG documentation can be supplied. Related Reading Dimethyl Terephthalate (DMT, CAS 120-61-6) — specifications, MSDS / COA Ethylene Glycol (EG / MEG, CAS 107-21-1) — specifications, MSDS / COA Chemical methanolysis DMT process and core technology DMT / EG market outlook and brand recycled-plastic commitments Policy: chemical recycling as a strategic emerging industry Case studies: Zhejiang University joint research centre and the Huanggang project Contact sales — DMT quotation, samples, COA requests About ResourceCycle Ruisaike (Hangzhou) New Materials Co., Ltd. is a chemical-process manufacturer of DMT and ethylene glycol. Annual capacity is 5,000 tonnes of DMT plus 1,600 tonnes of ethylene glycol, at purity ≥99.9% — meeting polyester-grade virgin material standards. The company operates a joint research centre with Zhejiang University, holds 12 core patents, and is certified to ISO 14001 and ISO 9001. Products serve PBT, PETG, PCTG, PET resin, polyester fibre, polyester coatings, automotive antifreeze and unsaturated polyester resin. Domestic road freight and sea export are both supported (EXW / FOB / CIF / DAP), with a 1-tonne minimum order, 7–30 day lead times, custom COA, sample requests and ESG documentation support. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags high-purity DMT DMT specifications Dimethyl Terephthalate purity DMT COA report DMT purity parameter >99.9% Dimethyl 1,4-benzene dicarboxylate specifications polyester-grade DMT DMT for PBT Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Technology June 2, 2026 Chemical Recycling of Polyester Fiber Waste: From Waste Polyester to High-Purity DMT and Ethylene Glycol ResourceCycle explains the four-step chemical recycling process for polyester fiber (polyester textile) waste — pre-treatment, methanolysis depolymerization, DMT and ethylene glycol separation — producing polyester-grade raw materials with purity ≥99.9% from discarded textiles. Read more 02 Technology May 21, 2026 Low-Temperature Atmospheric Methanolysis of PET to Polymer-Grade DMT: ResourceCycle's New-Quality-Productivity Process Breakthrough ResourceCycle and the Zhejiang University Green Carbon Joint Research Center have developed a disruptive process that completes PET chemical depolymerisation at 64.5 °C atmospheric reflux — achieving 99.2% PET conversion, 99.5% DMT selectivity, 99.75% product purity, 60%+ capex reduction, 45-50% energy savings, with kiloton-per-year commercial operation. Read more 03 Technology May 13, 2026 ResourceCycle as a Low-Carbon DMT Co-Development Platform for Global Closed-Loop Polyester Partnerships Global brands are moving material decisions upstream to the polyester monomer level. With high-purity DMT production, methanolysis R&D and closed-loop material platform capabilities, ResourceCycle is positioned for exclusive joint development programs and long-term pre-purchase agreements. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/8 Title: Four-Step DMT Quality Control, From Feedstock to COA Description: Feedstock screening, decolorization, precision drying and batch COA management — the four controls that keep DMT purity and colour stable. Home Technology Products Solutions News About Contact 中文 Home / En / News / Four-Step DMT Quality Control: Raw Material Screening, Decolorization, Precision Drying and COA Batch Management Technology Four-Step DMT Quality Control: Raw Material Screening, Decolorization, Precision Drying and COA Batch Management High-purity DMT quality depends on raw material screening, decolorization, drying control and batch testing. Learn how Dimethyl Terephthalate suppliers stabilize purity, color, acid value and COA delivery. April 15, 2025 · 4 min read TL;DR High-purity DMT quality depends on raw material screening, decolorization, drying control and batch testing. Learn how Dimethyl Terephthalate suppliers stabilize purity, color, acid value and COA delivery. Keywords: DMT quality control · DMT COA · decolorization · batch consistency · polyester-grade DMT Quality Control Is What Makes DMT Predictable For downstream customers, the stability of high-purity DMT matters more than any single test result. A lot can hit 99.9% purity and still cause trouble: if colour, acid value, moisture, ash or metal ions swing between batches, PBT, PETG, polyester fibre and coating resin production all feel it. ResourceCycle's quality system is built around four controls — feedstock screening, decolorization and purification, precision drying, and batch COA management. Step 1: Feedstock screening and impurity control Feedstock quality determines how hard purification will be and how consistent batches turn out. A supplier has to control foreign matter, metal ions, chlorine-bearing impurities and organic contaminants in incoming material — otherwise those contaminants become impurities that no amount of downstream refining will fully remove. Near-infrared (NIR) automated sorting Manual re-sorting as a second check PET purity raised to above 97% Downstream processing load reduced accordingly Step 2: Washing, decolorization and purification Colour control is the specification that most affects downstream transparent materials and high-end polyester applications. ResourceCycle combines washing, decolorization, filtration and refining to strip out coloured impurities and trace contaminants. Temperature : 70–85 °C NaOH concentration : 1–2% Method : mechanical agitation plus high-pressure spray Removal rate : over 99% This stage takes the Hazen colour of the methanolysis liquor from 50+ down to under 10 , which is what allows R-DMT to reach premium-grade colour specification. Wash water goes through biological treatment before discharge, with COD removal ≥95%. Step 3: Precision drying and moisture control Moisture affects DMT storage, transport and downstream polymerisation. Suppliers need to control it across production, packaging and warehousing so that customers do not see process variation caused by material that picked up humidity in transit. Dehumidifying dryers operating at a -40 °C dew point Flake particle size held in the 5–15 mm range Mass transfer efficiency optimised accordingly Step 4: Batch COA management Every DMT shipment should leave with a complete quality record: purity, acid value, colour, ash, iron content, moisture, packaging specification and test date. For customers on long-term supply, the trend across successive COAs says more about a supplier's stability than any individual certificate does. A well-run quality system is the precondition for stable supply of high-quality DMT. ResourceCycle provides samples, COA/MSDS documentation and batch-level quality discussion matched to the customer's application, to reduce the risk of qualifying a new feedstock source. Frequently Asked Questions Q1: What is the four-step DMT quality control method? ① Feedstock screening — PET and polyester fibre classification, impurity removal, particle size held at 5–15 mm. ② Decolorization and purification — activated carbon and molecular sieve, plus multi-stage distillation. ③ Precision drying — moisture ≤0.1%. ④ Batch COA testing and traceability. Q2: How much does decolorization and deacidification affect DMT colour? Decolorization takes DMT colour from 30–50 APHA down to ≤5 APHA. The usual process is activated carbon adsorption, molecular sieve refining and multi-stage distillation for deacidification, which simultaneously removes aldehydes, ketones and residual catalyst metals. Q3: How important is drying control for downstream PBT polymerisation? If DMT moisture exceeds 0.1%, the PBT polymerisation equilibrium shifts, molecular weight drops and product strength suffers. ResourceCycle holds moisture ≤0.1% using vacuum drying, nitrogen purge and sealed packaging. Q4: How is batch-to-batch consistency guaranteed? Process parameters are locked per batch, monitored online throughout (temperature, pressure, flow), sampled by GC before warehousing, and cross-checked by third-party laboratory COA. Batch purity RSD is held at ≤0.05%. Q5: How should a buyer audit a DMT supplier's quality system? Look for: the ISO 9001 certificate, a plant visit, feedstock traceability records, the COA trend across the last three batches, the third-party testing contract, the retained-sample policy, the non-conforming product procedure, and the record of customer complaint responses. Related Reading Dimethyl Terephthalate (DMT, CAS 120-61-6) — specifications, MSDS / COA Ethylene Glycol (EG / MEG, CAS 107-21-1) — specifications, MSDS / COA Chemical methanolysis DMT process and core technology DMT / EG market outlook and brand recycled-plastic commitments Policy: chemical recycling as a strategic emerging industry Case studies: Zhejiang University joint research centre and the Huanggang project Contact sales — DMT quotation, samples, COA requests About ResourceCycle Ruisaike (Hangzhou) New Materials Co., Ltd. is a chemical-process manufacturer of DMT and ethylene glycol. Annual capacity is 5,000 tonnes of DMT plus 1,600 tonnes of ethylene glycol, at purity ≥99.9% — meeting polyester-grade virgin material standards. The company operates a joint research centre with Zhejiang University, holds 12 core patents, and is certified to ISO 14001 and ISO 9001. Products serve PBT, PETG, PCTG, PET resin, polyester fibre, polyester coatings, automotive antifreeze and unsaturated polyester resin. Domestic road freight and sea export are both supported (EXW / FOB / CIF / DAP), with a 1-tonne minimum order, 7–30 day lead times, custom COA, sample requests and ESG documentation support. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags DMT quality control high-purity DMT Dimethyl Terephthalate purity DMT COA report DMT purity parameter >99.9% polyester-grade DMT Dimethyl Terephthalate supplier Dimethyl Terephthalate solid flake Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Technology June 2, 2026 Chemical Recycling of Polyester Fiber Waste: From Waste Polyester to High-Purity DMT and Ethylene Glycol ResourceCycle explains the four-step chemical recycling process for polyester fiber (polyester textile) waste — pre-treatment, methanolysis depolymerization, DMT and ethylene glycol separation — producing polyester-grade raw materials with purity ≥99.9% from discarded textiles. Read more 02 Technology May 21, 2026 Low-Temperature Atmospheric Methanolysis of PET to Polymer-Grade DMT: ResourceCycle's New-Quality-Productivity Process Breakthrough ResourceCycle and the Zhejiang University Green Carbon Joint Research Center have developed a disruptive process that completes PET chemical depolymerisation at 64.5 °C atmospheric reflux — achieving 99.2% PET conversion, 99.5% DMT selectivity, 99.75% product purity, 60%+ capex reduction, 45-50% energy savings, with kiloton-per-year commercial operation. Read more 03 Technology May 13, 2026 ResourceCycle as a Low-Carbon DMT Co-Development Platform for Global Closed-Loop Polyester Partnerships Global brands are moving material decisions upstream to the polyester monomer level. With high-purity DMT production, methanolysis R&D and closed-loop material platform capabilities, ResourceCycle is positioned for exclusive joint development programs and long-term pre-purchase agreements. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/news/9 Title: DMT Carbon Footprint and Scope 3 Reduction (ISO 14067) Description: How polyester-grade DMT suppliers measure and cut carbon footprint across feedstock, production, energy and logistics under ISO 14067 and LCA. Home Technology Products Solutions News About Contact 中文 Home / En / News / Low-Carbon DMT Carbon Footprint: How Polyester-Grade Dimethyl Terephthalate Supply Chains Reduce Scope 3 Emissions Green Carbon Low-Carbon DMT Carbon Footprint: How Polyester-Grade Dimethyl Terephthalate Supply Chains Reduce Scope 3 Emissions Using ISO 14067 and LCA principles, this article explains how polyester-grade DMT suppliers can manage carbon footprint across raw materials, production, energy and logistics for PBT, PET and PETG customers. December 8, 2025 · 5 min read TL;DR Using ISO 14067 and LCA principles, this article explains how polyester-grade DMT suppliers can manage carbon footprint across raw materials, production, energy and logistics for PBT, PET and PETG customers. Keywords: DMT carbon footprint · ISO 14067 · Scope 3 · low-carbon DMT · polyester-grade DMT Why Carbon Footprint Entered the DMT Conversation As global brands tighten ESG disclosure, product carbon footprint accounting and Scope 3 supply-chain emissions management, downstream PBT, PET, PETG, coating resin and polyester fibre producers have stopped asking only about DMT price, purity and lead time. They now want transparent carbon data from upstream feedstock suppliers. Dimethyl Terephthalate (DMT, CAS 120-61-6) is a significant polyester monomer, and its carbon performance flows straight through into how downstream products are assessed in automotive, electrical and electronic, packaging and export supply chains. For customers who need to qualify into international brand programmes, stable polyester-grade DMT supply and auditable carbon data are becoming equally weighted purchasing conditions. ISO 14067 and LCA: How DMT Carbon Footprint Is Calculated ISO 14067 quantifies product carbon footprint using life cycle assessment (LCA). For DMT, the usual boundary is cradle-to-gate — covering emissions from raw material acquisition through to dispatch from the plant. What belongs inside the boundary Raw materials: emission factors for methanol, terephthalic-acid-related intermediates and other upstream inputs. Production: steam, electricity and cooling consumption across esterification, distillation, crystallisation and drying units. Quality control: high-purity DMT generally requires stricter purification and testing, which should be assessed together with the purity, colour and acid value specifications it buys you. Packaging and transport: bulk bags, pallets, tank trucks and port haulage all affect the delivered footprint. Evidence: COA, MSDS, batch traceability, energy consumption records and third-party carbon verification reports are what customers actually audit. Three Ways to Lower a DMT Supply Chain's Footprint 1. Process stability cuts energy per tonne DMT carbon footprint is not decided by feedstock route alone. Process continuity, equipment efficiency and first-pass yield matter just as much. A production system with stable purity, good impurity control and low batch variation avoids rework, re-distillation and the extra energy both consume. ResourceCycle's high-purity DMT production is managed around purity, colour, acid value, ash and iron content — which is what gives downstream customers a more consistent polyester-grade feedstock. 2. Energy mix drives carbon intensity Producing one tonne of DMT can carry very different emissions depending on regional grid mix, steam source and plant energy management. When evaluating suppliers, ask for electricity and steam consumption per tonne of product, and for the primary energy sources behind them. Export-oriented customers should confirm at the enquiry stage whether the supplier can provide the carbon accounting boundary, the source of its emission factors and batch-level quality documentation — otherwise the same evidence gets requested again during brand audit. 3. Localisation and reliable delivery reduce logistics emissions DMT is a bulk chemical, so route, packaging format and inventory turnover all feed into overall carbon performance. Supply arrangements closer to the customer or to a major port cut transport distance, lead-time variability and required safety stock. ResourceCycle can help design bulk supply and delivery arrangements around customer location, annual volume, packaging format and delivery frequency. How to Put Low-Carbon Requirements to a DMT Supplier Specify the product: DMT purity, colour, acid value, ash, iron content, packaging format and annual volume. Require documentation: per-batch COA, MSDS, test methods and third-party test reports where needed. Fix the carbon boundary: whether accounting follows ISO 14067, the GHG Protocol, or a method you specify. Assess supply stability: capacity, lead time, minimum order quantity, stocking cycle and contingency supply arrangements. Set an annual review: quarterly or annual review of price, quality, carbon data and delivery performance. The ResourceCycle View: Low-Carbon DMT Is a Capability, Not a Label For PBT, PET, PETG and high-end polyester producers, the value of low-carbon DMT shows up in what can be delivered, tested, traced and re-verified — not in marketing language. A supplier that can offer the concept but not consistent batches, quality documentation and commercial delivery capability will not survive long inside a customer's supply base. ResourceCycle is positioned as a producer and supplier of high-purity Dimethyl Terephthalate (DMT) and ethylene glycol (EG), providing samples, COA/MSDS, bulk quotations and customised supply discussion structured around the customer's product grade, application, purchasing cycle and ESG disclosure requirements. Frequently Asked Questions Q1: What is ISO 14067 and why does a DMT supplier need it? ISO 14067 is the international standard for quantifying product carbon footprint, defining accounting principles, LCA methodology and reporting format. When downstream brand customers disclose Scope 3, they need ISO 14067 product carbon footprint data from upstream suppliers. Q2: What does a DMT product carbon footprint cover? Raw material acquisition (waste PET collection and transport), energy consumption (production electricity and steam), catalysts and chemicals, process emissions, by-product and waste disposal, packaging, and outbound logistics. The cradle-to-gate boundary is the one most commonly used for downstream disclosure. Q3: How much does low-carbon chemical DMT reduce emissions versus the PTA route? ResourceCycle's chemical DMT process uses 30%+ less energy than the conventional PTA route, avoiding roughly 1.4 tonnes of CO₂ per tonne of DMT. Combined with recycled PET feedstock (roughly 50% lower emissions on the feedstock side), the overall product carbon footprint runs 60–70% below the virgin route. Q4: Does Scope 3 include DMT purchases? Yes. Scope 3 Category 1 (purchased goods and services) covers all raw materials, monomers and additives. PBT, PETG and PET resin customers multiply DMT purchase volume by the unit product carbon footprint and include it in Scope 3 disclosure. Q5: How do you evidence low-carbon DMT sourcing to a customer? ResourceCycle can supply ISO 14067 PCF reports, ISCC PLUS mass balance certification, recycled PET feedstock chain of custody, production energy management records and third-party verification certificates — supporting brand-owner CDP, GRI, SBTi and SASB disclosure. Related Reading Dimethyl Terephthalate (DMT, CAS 120-61-6) — specifications, MSDS / COA Ethylene Glycol (EG / MEG, CAS 107-21-1) — specifications, MSDS / COA Chemical methanolysis DMT process and core technology DMT / EG market outlook and brand recycled-plastic commitments Policy: chemical recycling as a strategic emerging industry Case studies: Zhejiang University joint research centre and the Huanggang project Contact sales — DMT quotation, samples, COA requests About ResourceCycle Ruisaike (Hangzhou) New Materials Co., Ltd. is a chemical-process manufacturer of DMT and ethylene glycol. Annual capacity is 5,000 tonnes of DMT plus 1,600 tonnes of ethylene glycol, at purity ≥99.9% — meeting polyester-grade virgin material standards. The company operates a joint research centre with Zhejiang University, holds 12 core patents, and is certified to ISO 14001 and ISO 9001. Products serve PBT, PETG, PCTG, PET resin, polyester fibre, polyester coatings, automotive antifreeze and unsaturated polyester resin. Domestic road freight and sea export are both supported (EXW / FOB / CIF / DAP), with a 1-tonne minimum order, 7–30 day lead times, custom COA, sample requests and ESG documentation support. Share Save 锐赛克 · ResourceCycle High-purity DMT and ethylene glycol manufacturer Contact Back to News Related Tags Low-carbon DMT DMT carbon footprint ISO 14067 LCA Scope 3 emissions Polyester-grade DMT Dimethyl Terephthalate supplier DMT COA report Follow ResourceCycle Get the latest green carbon technology and industry reports Subscribe RELATED Related articles View all articles 01 Market Outlook May 11, 2026 2026 Global Supply Chain Reshaping: DMT Market Outlook, Price Trends & China Sourcing Strategy An in-depth analysis of the 2026 DMT global supply-demand landscape transformation — from macro market outlook, PX-DMT cost transmission mechanisms, and PTA substitution dynamics to China's integrated advantages and low-cost sourcing strategies, providing supply chain executives with a strategic and actionable intelligence guide. Read more 02 Green Carbon December 8, 2025 Low-Carbon DMT Carbon Footprint: How Polyester-Grade Dimethyl Terephthalate Supply Chains Reduce Scope 3 Emissions Using ISO 14067 and LCA principles, this article explains how polyester-grade DMT suppliers can manage carbon footprint across raw materials, production, energy and logistics for PBT, PET and PETG customers. Read more 03 Green Carbon July 30, 2025 ESG Value of DMT Supply Chains: How Low-Carbon Dimethyl Terephthalate Supports Scope 3 Disclosure From Scope 3 accounting, product carbon footprint, COA/MSDS, batch traceability and green supply-chain audits, learn how low-carbon DMT suppliers support ESG disclosure for PBT, PET and PETG customers. Read more ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/process Title: Service Process — DMT Supplier Workflow | ResourceCycle Description: ResourceCycle 5-step service workflow: needs assessment, solution design, project implementation, production / operation, long-term partnership. Home Technology Products Solutions News About Contact 中文 00 SERVICE PROCESS Service Process From initial consultation to long-term partnership, full-process professional services. 01 FIVE-STEP MODEL Five-step service model Standardized service process. Every stage has explicit goals and deliverables. 0 1 0 1 Needs Assessment 1–2 Business Days Understand waste plastic source, volume, composition and treatment goals. Deliverables 0 1 Sample analysis 0 2 Preliminary feasibility 0 3 Budget estimate 0 2 0 2 Solution Design 5–10 Business Days Customize technical solution including process, equipment selection, capacity planning. Deliverables 0 1 Technical proposal 0 2 Process flow diagram 0 3 Equipment list & quote 0 4 ROI analysis 0 3 0 3 Project Implementation 3–6 Months Equipment manufacturing, on-site construction, installation, commissioning. Deliverables 0 1 Manufacturing supervision 0 2 On-site installation 0 3 Integration testing 0 4 Operation training 0 4 0 4 Production & Operation Ongoing Support Formal production with ongoing technical support and process optimization. Deliverables 0 1 Process optimization 0 2 Fault response 0 3 Spare parts 0 4 Regular inspection 0 5 0 5 Long-term Partnership Lifetime Service Build strategic partnership with continuous upgrades and business expansion support. Deliverables 0 1 Tech upgrades 0 2 Expansion support 0 3 Industry connections 0 4 Joint R&D 02 WHY US Why choose ResourceCycle 0 1 Full-process transparency Clear deliverables and milestones at each stage, full project visibility. 0 2 Professional team Supported by Zhejiang University joint R&D team for cutting-edge technology. 0 3 Long-term value More than equipment supply — a long-term partnership. 05 CONTACT Talk to us. Get a custom plan. Our experts respond within 24 hours with one-on-one consultation and tailored partnership plans. Get custom plan Explore technology 0 1 500+ Partner companies 0 2 95%+ Product purity 0 3 24 h Response time 0 4 12 Core patents ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/products Title: Products — Polyester-Grade DMT & Ethylene Glycol Description: ResourceCycle products: high-purity Dimethyl Terephthalate (DMT, CAS 120-61-6) and Ethylene Glycol (EG / MEG, CAS 107-21-1). Purity ≥99.9%, polyester-grade. Home Technology Products Solutions News About Contact 中文 00 PRODUCTS & SOLUTIONS Products ResourceCycle specializes in manufacturing high-purity DMT (Dimethyl Terephthalate) and Ethylene Glycol (EG), providing quality chemical raw materials for downstream industries Home / En / Products DMT (Dimethyl Terephthalate) Ethylene Glycol (EG) Products Downstream Applications Detail · 01 Dimethyl Terephthalate (DMT) — full page CAS 120-61-6 · ≥99.9% · 5,000 t/y Detail · 02 Ethylene Glycol (EG / MEG) — full page CAS 107-21-1 · ≥99.9% · 1,600 t/y C₁₀H₁₀O₄ · CAS 120-61-6 DMT PRODUCT DMT (Dimethyl Terephthalate) CAS 120-61-6 ResourceCycle manufactures DMT (Dimethyl Terephthalate, CAS 120-61-6) using proprietary chemical process, with purity ≥99.9%, polyester grade. Widely used in PBT, PETG, PCTG, PET resin, polyester fiber and other downstream applications. Bulk supply available. Core Advantage: Polyester Grade · Purity >99.9% Purity ≥99.9% Colority 0–5 Ash 0 Fe Ion Content 0 Acid Value 0.01 View MSDS Download MSDS View COA Download COA Downstream Applications Downstream Applications 01 High-performance PCT Engineering Plastics PCT (Ester Exchange & Polymerization: 1,4-Cyclohexanedimethanol CHDM + DMT), suitable for electronics, medical, food contact materials and other high-performance applications Features Chemical-resistant Food-grade Markets Medical Electronics 02 Copolyester PETG Copolyester PETG (DMT+CHDM copolymer route), with excellent transparency and chemical resistance, suitable for high-end packaging, food/medical, cosmetics packaging Features Clear Easy-process Markets Cosmetics Food packaging 03 Copolyester PCTG Copolyester PCTG (DMT+CHDM copolymer route), with good impact resistance and thermal stability, widely used in high-end packaging and baby care products Features Impact-resistant Heat-resistant Markets Baby Premium containers 04 High-end CHDM (Cyclohexanedimethanol) DMT as raw material, benzene ring hydrogenation to DMCD, DMCD further hydrogenation to CHDM, used in high-end packaging, food contact materials, baby care products Features Transparent Hydrolysis-resistant Markets Baby care Premium pkg 05 Coating resin Paints/Insulating Varnish/Polyester Polyols Saturated polyester resin, polyester polyols, insulating varnish, used in industrial paints, appliance paints, coil coatings, wood paints, adhesives Features Glossy Weather-resistant Markets Appliance Coil coating 02 ADVANTAGES Core Product Advantages Based on proprietary chemical manufacturing process, ResourceCycle DMT (Dimethyl Terephthalate) has comprehensive competitiveness in quality, sustainability, and cost 0 1 0.0 %+ Product Purity 0 2 0 %+ Carbon Reduction 0 3 0 t/yr DMT Capacity 0 4 0 t/yr EG Capacity 0 1 Virgin-Grade Quality DMT product purity ≥99.9%, polyester grade, all indicators meeting or exceeding industry standards, directly replacing traditional petrochemical products 0 2 Green Low-Carbon Certified Carbon emissions reduced by over 60% compared to traditional processes, products with international environmental certifications to support ESG goals 0 3 Factory Direct · Competitive Pricing Unique catalytic process reduces production costs by 30%, factory-direct DMT supply with highly competitive bulk pricing 0 4 Stable Supply Guarantee Stable annual capacity of 5,000 tons DMT and 1,600 tons EG with comprehensive supply chain management ensuring timely delivery 03 PROCESS DMT Chemical Manufacturing Process From raw materials to high-purity DMT and EG, fully green and controllable 0 1 / 0 5 Raw Material Collection Waste PET bottles, polyester fabric and other materials 0 2 / 0 5 Sorting & Pretreatment Smart sorting, washing, crushing, drying 0 3 / 0 5 Chemical Depolymerization Proprietary catalyst system, molecular-level depolymerization 0 4 / 0 5 Separation & Purification Multi-stage distillation, removing impurities and pigments 0 5 / 0 5 Product Refining Crystallization, drying, testing, packaging 04 QUALITY Quality System & Certifications Strictly following international quality management systems, each batch accompanied by third-party authoritative test reports AUTHORIZED 0 1 ISO 9001 Quality Management 0 2 ISO 14001 Environmental Management 0 3 REACH Regulation Compliant 0 4 SGS Third-Party Certified ResourceCycle strictly implements international quality management standards, establishing a full-process quality traceability system from raw material intake to finished product shipment. Each batch undergoes internal QC inspection and third-party authoritative testing to ensure stable and reliable product specifications. 0 1 100% raw material inspection 0 2 Online production monitoring 0 3 Full-batch sampling inspection 0 4 Independent third-party reports 0 5 Full-process quality traceability 0 6 Customized testing solutions 05 CTA Need DMT Pricing or Technical Data? Our team will provide detailed DMT (Dimethyl Terephthalate) pricing, specifications, test reports and customized supply solutions Request Free Sample Get Product Brochure Virgin-grade quality ISO certified Bulk supply ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/products/dmt Title: Dimethyl Terephthalate (DMT), CAS 120-61-6 | ResourceCycle Description: Polyester-grade DMT (CAS 120-61-6), purity ≥99.9%, 5,000 t/y from chemical recycling. Key monomer for PBT, PETG, PCTG and PET. MSDS / COA, bulk supply. Home Technology Products Solutions News About Contact 中文 DMT PRODUCT · DMT Dimethyl Terephthalate (DMT) High-purity polyester-grade DMT — chemical-recycling process, purity ≥99.9%, CAS 120-61-6, 5,000 t/y capacity. Key monomer for PBT / PETG / PCTG / PET resin and polyester coatings. MSDS · COA and global bulk supply. ≥99.9 % Purity 5,000 t/y Annual capacity 120-61-6 CAS Number ISO 14001 · 9001 Certified Home / En / Products / Dimethyl Terephthalate C₁₀H₁₀O₄ · CAS 120-61-6 01 IDENTIFICATION Chemical identification & properties Dimethyl Terephthalate (DMT) is a key monomer for polyester synthesis. ResourceCycle uses a methanolysis-based chemical recycling process to molecularly depolymerize waste PET and polyester into high-purity DMT at ≥99.9% polyester-grade purity. Chinese name 对苯二甲酸二甲酯 IUPAC Name Dimethyl benzene-1,4-dicarboxylate Synonyms DMT · Dimethyl Terephthalate · 1,4-Benzenedicarboxylic acid dimethyl ester CAS Number 120-61-6 EC Number 204-411-8 HS Code 29173600 Molecular Formula C₁₀H₁₀O₄ Molecular Weight 194.18 g/mol Appearance White crystalline flake / powder Melting Point 140–142 °C Boiling Point 288 °C Density 1.20 g/cm³ (25 °C) 02 TECHNICAL SPECIFICATIONS Polyester-grade specifications All ResourceCycle DMT specs exceed industry standards. Third-party COA issued per batch — available for download. Parameter ResourceCycle Spec Test Method Purity (GC) ≥99.9% GB/T 1668 Colority (APHA) ≤5 ASTM D1209 Acid Value ≤0.01 mg KOH/g GB/T 1668 Moisture ≤0.1% Karl Fischer Ash ≤0.001% GB/T 1463 Fe Content ≤0.5 ppm ICP-MS Melting Point 140–142 °C DSC Volatiles ≤0.1% GC Thermal Stability Pass PET polymerization — View DMT-MSDS report Download MSDS PDF View DMT-COA report Download COA PDF 03 APPLICATIONS DMT downstream applications DMT is the key monomer for PBT, PETG / PCTG, CHDM, PET resin and polyester coatings, spanning EV, electronics, medical, packaging and appliances. 01 Engineering plastics PBT High heat / rigidity engineering plastics for EV, 5G stations, electronics. 02 Copolyester PETG / PCTG High-clarity, impact-resistant copolyester for cosmetics, baby care, premium containers. 03 High-end intermediate CHDM Cyclohexanedimethanol for PCT / PETG, optical & shrink films. 04 Polyester PET PET resin & polyester fiber for bottles, fiber, film grades. 05 Coating resin Polyester coatings High-gloss, weather-resistant polyester resin for appliance, coil & automotive coatings. 04 WHY US Why ResourceCycle DMT Chemical recycling process · kiloton capacity · joint R&D with Zhejiang University — virgin-grade quality and stable supply. 0 1 Molecular-level depolymerization Proprietary methanolysis chemically depolymerizes waste PET / polyester to yield DMT plus EG by-product. 0 2 Polyester-grade quality Purity ≥99.9%, color ≤5 APHA, acid value ≤0.01 — virgin polyester grade, drop-in ready. 0 3 Low energy · low carbon Energy consumption 30%+ lower than traditional PTA route; ~1.4 t CO₂ saved per ton DMT. 0 4 Stable kiloton supply 5,000 t/y DMT + 1,600 t/y EG; Huanggang kiloton facility in stable production. 05 PACKAGING & LOGISTICS Packaging, MOQ & logistics 25 kg bag PE-lined PP woven bag · palletized (1 t / 1.25 t) Bulk bag (500 / 1000 kg) FIBC ton bag, PE-lined Bulk container ISO container / bulk negotiable MOQ 1 ton / order Lead time In-stock 7 working days / custom 15–30 days Incoterms EXW / FOB / CIF / DAP Export port Shanghai · Ningbo · Qingdao Storage Dry, cool, sealed, away from ignition 06 FAQ Frequently asked questions Procurement, technical and logistics FAQ. Contact sales for anything else. 01 What is the CAS number and molecular formula of DMT? CAS 120-61-6, EC 204-411-8, HS code 29173600. Molecular formula C₁₀H₁₀O₄, molecular weight 194.18 g/mol. White crystalline flake / powder at room temperature, melting point 140–142°C. 02 What purity and grade does ResourceCycle DMT meet? 03 What are the main downstream applications of DMT? 04 Can MSDS and COA be provided? 05 What is the packaging and minimum order quantity (MOQ)? 06 How does chemical-recycling DMT compare to traditional PTA route? 07 What are the lead time and global logistics options? 08 Can small samples be provided for evaluation? GET A QUOTE Request a DMT quote or sample Submit your spec, annual volume and destination port. We will respond within 24 hours with EXW / FOB / CIF quote. Request quote Request sample ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/products/eg Title: Ethylene Glycol (EG / MEG), CAS 107-21-1 | ResourceCycle Description: Polyester-grade Ethylene Glycol (CAS 107-21-1), purity ≥99.9%, 1,600 t/y. For PET, polyester fibre, antifreeze and UPR. MSDS / COA, bulk supply. Home Technology Products Solutions News About Contact 中文 EG PRODUCT · EG Ethylene Glycol (EG / MEG) High-purity polyester-grade ethylene glycol — chemical-recycling process, purity ≥99.9%, CAS 107-21-1, 1,600 t/y capacity. Key monomer for PET, polyester fiber, antifreeze and UPR. MSDS · COA and global bulk supply. ≥99.9 % Purity 1,600 t/y Annual capacity 107-21-1 CAS Number ISO 14001 · 9001 Certified Home / En / Products / Ethylene Glycol C₂H₆O₂ · CAS 107-21-1 01 IDENTIFICATION Chemical identification & properties Ethylene Glycol (EG / MEG) is a core monomer for PET resin and polyester fiber. ResourceCycle co-produces high-purity EG via chemical-recycling at ≥99.9% polyester grade. Chinese name 乙二醇 / 单乙二醇 IUPAC Name Ethane-1,2-diol Synonyms EG · MEG · Monoethylene Glycol · 1,2-Ethanediol CAS Number 107-21-1 EC Number 203-473-3 HS Code 29053100 Molecular Formula C₂H₆O₂ Molecular Weight 62.07 g/mol Appearance Clear colorless viscous liquid Boiling Point 197.3 °C Freezing Point −12.9 °C Flash Point 111 °C (闭杯) Density 1.113–1.115 g/cm³ (20 °C) 02 TECHNICAL SPECIFICATIONS Polyester-grade specifications All ResourceCycle EG specs meet PET bottle / fiber grade. Third-party COA issued per batch. Parameter ResourceCycle Spec Test Method Purity (GC) ≥99.9% GB/T 4649 Colority (APHA) ≤5 ASTM D1209 Moisture ≤0.1% Karl Fischer Acidity (as Acetic) ≤0.001% GB/T 4649 Aldehyde (as Acetaldehyde) ≤10 ppm GB/T 4649 Fe Content ≤0.1 ppm ICP-MS UV Transmittance (220 nm) ≥75% UV-Vis Density (20°C) 1.113–1.115 g/cm³ GB/T 2013 Diethylene Glycol ≤500 ppm GC View MSDS (DMT/EG) View COA (DMT/EG) Request latest batch COA 03 APPLICATIONS EG downstream applications EG is the core chemical for PET, polyester fiber, antifreeze and UPR across many sectors. 01 Polyester PET resin (bottle & fiber) Reacts with terephthalic acid to produce PET for bottles, food packaging, polyester film & bottle-grade resin. 02 Polyester fiber Polyester fiber Core monomer for polyester fiber — textile, home textile, industrial filter, automotive interior. 03 Automotive chemistry Automotive antifreeze / coolant Primary component, providing antifreeze, corrosion protection and boiling-point elevation for engines. 04 Thermoset resin Unsaturated polyester resin (UPR) UPR & FRP composites for construction, wind blades, sanitaryware, furniture. 05 Polyether / PU Polyether polyols / PU intermediate Initiator for polyether polyols; used in PU foam and CASE systems. 06 Specialty Electronic-grade cleaner / desiccant High-purity EG used for natural gas dehydration, electronic cleaning, glass-cleaner thickener. 04 WHY US Why ResourceCycle EG Chemical-recycled origin · polyester-grade quality · stable supply — enabling brand green procurement. 0 1 Chemical co-production EG co-produced from DMT methanolysis. Feedstock is recycled PET; carbon footprint far below ethylene route. 0 2 Polyester-grade quality Purity ≥99.9%, color ≤5 APHA, aldehydes ≤10 ppm — meets PET bottle / fiber grade. 0 3 Circular economy Chemical-recycled origin supports brand green procurement commitments; aligns with ISCC PLUS frameworks. 0 4 Stable supply 1,600 t/y EG co-produced with 5,000 t/y DMT; Huanggang facility in stable production. 05 PACKAGING & LOGISTICS Packaging, MOQ & logistics 230 kg drum Steel drum (UN certified) · palletized (4 drums/pallet) IBC tote 1,000 / 1,200 kg intermediate bulk container ISO tank 20 / 25 t ISO container (export) MOQ 1 ton / order Lead time In-stock 7 days / custom 15–30 days Incoterms EXW / FOB / CIF / DAP Export port Shanghai · Ningbo · Qingdao Storage Cool, dry, sealed, away from light & ignition 06 FAQ Frequently asked questions Procurement, technical and logistics FAQ. Contact sales for anything else. 01 What is the CAS number and molecular formula of EG (MEG)? CAS 107-21-1, EC 203-473-3, HS code 29053100. Molecular formula C₂H₆O₂, molecular weight 62.07 g/mol. Clear, colorless viscous liquid at room temperature; boiling point 197.3°C. 02 What purity and grade is ResourceCycle EG? 03 What are the main downstream applications of EG? 04 Can MSDS and COA be provided? 05 What is the packaging and MOQ? 06 How does chemical-recycled EG compare to conventional ethylene-route EG? 07 What are the lead time and global logistics options? 08 Can small samples be provided? GET A QUOTE Request an EG quote or sample Submit your spec, annual volume and destination port. We will respond within 24 hours with EXW / FOB / CIF quote. Request quote Request sample ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/sustainability Title: Low-Carbon DMT & Circular Polyester | ResourceCycle Description: ResourceCycle sustainable polyester monomers: low-carbon DMT, chemical recycling, ISCC PLUS, ISO 14067 carbon footprint, Scope 3 ready. Home Technology Products Solutions News About Contact 中文 00 SUSTAINABLE FUTURE Sustainable Future Committed to building a 100% closed-loop chemical recycling ecosystem, promoting the world towards a zero-waste future Home / En / Sustainability 01 POLICY & TREND Aligned with National Policies & Industry Trends ResourceCycle's development strategy highly aligns with national policy direction and industry development trends, contributing to a sustainable future 0 1 NATIONAL STRATEGY National Strategy Suggestions by NPC Standing Committee member Li Jinghong and seven departments issuing the "Action Plan for Promoting Application of Recycled Materials", emphasizing national support for waste plastic chemical recycling and high-quality recycled plastics industrialization. Learn More 0 2 MARKET OPPORTUNITY Market Opportunity According to Global Growth Insights, the PET plastic recycling market will achieve hundred-billion-dollar growth from 2025 to 2035, with strong demand from food, beverage and textile industries. Learn More 0 3 TECH FRONTIER Tech Frontier JEPLAN breakthrough: 100% chemical recycled resin from waste PET bottles has become a global frontier trend, leading industry technology development direction. Learn More 02 IMPACT Environmental Benefits & Carbon Neutrality Data ResourceCycle makes significant contributions to environmental sustainability through waste plastic chemical recycling technology 0 1 0 t Cumulative CO2 Reduction Carbon absorption equivalent of 1M trees. 0 2 0 bbl Equivalent Crude Oil Saved Reducing dependence on fossil fuels. 0 3 0 t Waste Plastic Processed Reducing plastic waste pollution. 0 4 0 % Energy Consumption Reduction Compared to traditional plastic production processes CALL TO ACTION Building Green Supply Chain Together Join our green recycling system to create low-carbon products that meet global ESG standards. 03 GREEN SUPPLY CHAIN Join Our Green Circular System Jointly build low-carbon products that meet global ESG standards, contributing to a sustainable future Download ESG report Contact ESG specialist ResourceCycle looks forward to working with you to build a more sustainable future ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/sustainability/market Title: PET Recycling Market Outlook 2025-2035 | ResourceCycle Description: Global PET recycling market $8.5B (2025) → $24.7B (2035), CAGR 11.3%. Asia Pacific leads at 40%+. DMT demand driven by brand commitments. Home Technology Products Solutions News About Contact 中文 00 MARKET PROSPECT Billion-dollar blue ocean PET recycling will experience explosive growth from 2025 to 2035. China will become the largest PET recycling market, exceeding 40% share. Home / En / Sustainability / Market 0 1 $8.5B 2025 market size 0 2 $24.7B 2035 market size 0 3 11.3% CAGR 0 4 40%+ China share 01 REGIONS Global market by region 0 1 Asia Pacific 40%+ +15% China leads; India and SEA growing rapidly. Demographics + policy 0 2 Europe 25% +8% Driven by strict regulations; mature circular economy. EU plastics strategy 0 3 North America 20% +12% Brand commitments; technology leadership. Corporate net-zero 0 4 Others 15% +18% Emerging markets in LATAM, Middle East. Infrastructure 02 DEMAND DRIVERS Industry demand drivers 0 1 Food & beverage Coca-Cola, Nestlé commit to 50%+ recycled PET. 2030 target 50% 0 2 Textile & apparel H&M, Nike drive sustainable fashion transition. Market size $8B 0 3 Packaging E-commerce drives green packaging demand surge. Growth rate +18% 03 BRAND COMMITMENTS Global brand commitments 0 1 Coca-Cola 50% recycled plastic by 2030 0 2 Nestlé 100% recyclable / reusable packaging by 2025 0 3 Unilever 25% recycled plastic by 2025 0 4 PepsiCo 100% recyclable packaging by 2030 0 5 L'Oréal 100% sustainable packaging by 2030 0 6 Procter & Gamble 50% recycled plastic by 2030 CAPTURE THE OPPORTUNITY Capture the blue ocean. ResourceCycle's technology aligns with global brand commitments to enable sustainability goals. View products Contact us ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/sustainability/policy Title: Policy Direction for Chemical Recycling | ResourceCycle Description: National and international policy support for chemical recycling: China NDRC, EU plastics strategy, brand commitments, strategic emerging industry catalog. Home Technology Products Solutions News About Contact 中文 00 POLICY DIRECTION Strong national policy support From top-level design to joint actions by seven departments, policy dividends usher in an unprecedented golden period for the industry. Home / En / Sustainability / Policy 0 1 7+ Government departments 0 2 50+ Supporting policies 0 3 100% Tax incentives 0 4 $1T+ Market potential 01 KEY POLICIES Key policy documents 0 1 CPPCC Member Li Jinghong Proposal Accelerate waste plastic chemical recycling system; include it in national strategic emerging industries. 0 2 Seven Departments Joint Action Plan Action plan explicitly supports chemical recycling R&D and industrialization. 0 3 NDRC Industry Catalog Include waste plastic chemical recycling in key supported industries catalog. 0 4 MIIT Application Demonstration Promote demonstration applications of recycled plastics in food packaging, textiles. 0 5 MEE Standard System Improve standard system for waste plastic recycling and treatment. 0 6 MOFCOM Distribution Field Encourage wide application of recycled materials in circulation field. 0 7 MOHURD Resource Utilization Promote resource utilization of construction and domestic waste. 02 SUPPORT MEASURES Policy support measures 0 1 Financial Support Establish special funds to support R&D and industrialization. Central government special funds for green circular economy. 0 2 Tax Incentives Tax reduction and exemption policies. Corporate income tax reduction, VAT refund policies. 0 3 Financial Support Encourage financial institutions to increase credit support. Green credit, green bonds, industrial funds. 0 4 Standard Development Accelerate formulation of national and industry standards. Establish comprehensive quality certification system. 03 EXPERT VIEWS Expert views In-depth insights from industry experts on chemical recycling. 0 1 Include in national strategy 「 Chemical recycling is a key pathway to plastic pollution control and carbon neutrality. 」 Li Jinghong CPPCC Member · CAS Academician 0 2 Policy & market dual drive 「 Chemical recycling is one of the fundamental approaches to solve plastic pollution. 」 Qu Jiuhui CAE Academician · Environmental Engineering 0 3 Whole-chain collaboration 「 A complete plastic circular economy requires coordinated action across the chain. 」 He Kebin CAE Academician · Tsinghua 04 IMPLEMENTATION Implementation path 0 1 01 R&D investment Increase R&D investment to break through technical bottlenecks. 0 2 02 Standards Establish comprehensive technical standards and quality system. 0 3 03 Demonstration Build demonstration projects to verify feasibility. 0 4 04 Industrialization Guide social capital to promote large-scale development. TAKE ACTION Seize the policy moment. ResourceCycle aligns with national policy direction and leads with proprietary technology. Core technology Contact us ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/sustainability/technology Title: Global Chemical Recycling Tech Trends | ResourceCycle Description: Global chemical-recycling leaders (Loop, Carbios, JEPLAN, PureCycle) and four technology trends: molecular precision, catalysts, AI, green energy. Home Technology Products Solutions News About Contact 中文 00 TECH TRENDS Global technology frontier A wave of chemical recycling innovation led by global leaders is reshaping the future of the circular plastic economy. Home / En / Sustainability / Technology 0 1 $5B Global chemical recycling market 2024 0 2 28% CAGR 2024–2030 0 3 65% PET chemical recycling share 2030 F 0 4 2 Mt Global under construction 2025 01 TRENDS Four chemical-recycling trends 0 1 99.9% Purity Molecular-level precision recycling Achieving virgin-quality products through chemical depolymerization. 0 2 40% Cost reduction Catalyst innovation High-efficiency, low-cost, recyclable catalysts dramatically reduce production cost. 0 3 30% Efficiency Intelligent manufacturing AI control and IoT monitoring improve efficiency and product consistency. 0 4 100% Green power Green energy integration Integrating solar and wind power for zero-carbon production. 02 GLOBAL LEADERS Global leaders 0 1 Loop Industries Netherlands Tech Low-temperature methanolysis Capacity 50 kt/y Supply agreements with Coca-Cola, L'Oréal. Partners Coca-Cola L'Oréal Danone 0 2 Carbios France Tech Biological enzyme method Capacity 10 kt/y First industrial demo line in Europe. Partners Coca-Cola L'Oréal TotalEnergies 0 3 JEPLAN Japan Tech Chemical methanolysis Capacity 30 kt/y 100% waste PET bottle-derived resin production. Partners Kirin Toray Unicharm 0 4 PureCycle USA Tech Ultra-pure purification Capacity 100 kt/y Focus on PP chemical recycling. Partners Procter & Gamble Ford Danfoss GLOBAL ALIGNMENT Aligned with the global frontier. ResourceCycle's chemical process aligns with global leaders, while iterating on a China cost structure. Core technology Contact us ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/technology Title: Chemical Methanolysis DMT Process | ResourceCycle Description: Proprietary methanolysis process producing polyester-grade DMT at ≥99.9% purity, kiloton scale, 30%+ less energy than the PTA route. Home Technology Products Solutions News About Contact 中文 00 INNOVATION & TECHNOLOGY Core Technology ResourceCycle possesses multiple self-developed core technologies, leading the industry in chemical waste plastic recycling Home / En / Technology 01 R&D STRENGTH R&D Strength Support Relying on strong scientific research background to establish industry-leading position 0 1 Industry-Academia Cooperation Co-building joint research center with Zhejiang University Yangtze River Delta Smart Oasis Innovation Center 0 2 Provincial Key Laboratory Goal to build provincial/key laboratory, focusing on key green recycling new materials technology 0 3 5,000 Tons/Year DMT Capacity First domestic DMT production project based on self-developed technology 0 4 Core Patent Technology Breaking foreign technological monopoly, achieving autonomous control 03 GREEN CIRCLE GREEN CIRCLE Chemical Recycling System ResourceCycle's self-developed chemical manufacturing technology platform, utilizing unique methanolysis process to achieve efficient, high-quality production of DMT (Dimethyl Terephthalate) and Ethylene Glycol (EG). DMT product purity reaches ≥99.9%, meeting polyester grade standards. Feedstock Multiple polyester-derived feedstocks supported. 0 1 PET Bottle Bales 0 2 Bubble Materials 0 3 Strapping Bands 0 4 Polyester Waste Fabric 0 5 Engineering Waste Plastics 0 6 Other Waste PET Materials Highlights Technical Highlights 0 1 Molecular-Level Recycling Molecular-level precise depolymerization, directional conversion, product quality comparable to virgin materials 0 2 Low Production Cost Advanced process route reduces production costs and improves market competitiveness 0 3 Short Process Route Optimized process route, reduced production steps, improved production efficiency 0 4 High Product Purity Product purity reaches 99.9%+, all impurity indicators near zero 03 COMPARISON Technology Comparison ResourceCycle's chemical recycling technology has significant competitive advantages over traditional physical and biological recycling in multiple key dimensions Comparison Dimension Chemical Recycling Physical Recycling Biological Recycling Product Purity High Medium Medium Sustainability Value High Medium High Applicable Scope Wide Limited Limited Recycling Cycles Unlimited Limited (3-4 times) Limited Production Efficiency High Medium Low Energy Consumption Medium Low Medium Investment Cost High Medium High SUMMARY Technology Advantage Summary ResourceCycle's chemical recycling technology excels in product purity and sustainable value, achieving unlimited plastic recycling with wide applicability and high production efficiency — the mainstream direction for future plastic recycling. 04 ROADMAP Technology Development Milestones From laboratory breakthroughs in core technology to the successful commissioning of thousand-ton production lines, ResourceCycle has always been driven by innovation. 0 1 2022 Core Catalyst System Development Completed development and validation of core catalyst system 0 2 2023 Product Validation Successful validation of hundred-kg pilot line products 0 3 2024 Large-Scale Production Thousand-ton production line achieved mass production 02 REACTION CHEMISTRY Methanolysis mechanism & thermodynamics Polyester chain segments depolymerise into virgin-equivalent Dimethyl Terephthalate (DMT) + Ethylene Glycol (EG) under excess methanol and a binary catalyst. Overall reaction equation [—OC—C₆H₄—CO—O—CH₂—CH₂—O—]ₙ + 2n CH₃OH ⇌ n CH₃OOC—C₆H₄—COOCH₃ + n HO—CH₂—CH₂—OH Each PET repeat unit consumes 2 mol methanol → 1 mol DMT + 1 mol EG. Stoichiometric M/PET = 2; in practice 6-10× molar excess of methanol drives equilibrium and reduces melt viscosity. Stepwise mechanism Zn²⁺ activates the carbonyl O of the ester via Lewis-acid coordination Methanol nucleophilic attack forms a tetrahedral intermediate (TI) Proton transfer + EG departure regenerates a new methyl-ester end Sequential chain-end depolymerisation → oligomer → monomer DMT Side reactions (≤2%): etherification, DEG formation, ester scission Key thermodynamic parameters Reaction enthalpy ΔH° +12.4 kJ/mol (endothermic) Reaction entropy ΔS° +38.7 J/(mol·K) Equilibrium constant K (160 °C) 0.32 (per repeat unit) Optimal process temperature 155–170 °C Process pressure 0.1–0.3 MPa (near-atmospheric) Equilibrium-driving condition M/PET ≥ 6 + DMT crystallisation separation Kinetics (pseudo-first-order) −d[PET]/dt = k·[PET]·[CH₃OH] α ·[cat] β k₀ = 1.8 × 10⁷ s⁻¹ ; Eₐ = 78.5 kJ/mol At 160 °C with Zn-Mn catalyst, PET depolymerisation half-life t½ ≈ 18 min. Full conversion (≥98%) takes 90-120 min. α ≈ 0.85, β ≈ 1.0 — consistent with coordination-activated transesterification mechanism. 03 CATALYST SYSTEM Zn-Mn binary catalyst & resin recovery A proprietary binary catalyst delivers high selectivity, high TON and full recovery at low T / atmospheric P — avoiding the product discolouration and metal residue typical of Ti / Sb systems. Metric Zn-Mn system Traditional Sb₂O₃ Ti(OBu)₄ Composition Zn(OAc)₂ + Mn(OAc)₂ + chelating ligand Sb₂O₃ Ti(OBu)₄ Loading 0.3–0.5 wt% (vs PET) 0.05–0.1 wt% 0.02–0.05 wt% Reaction temperature 155–170 °C 230–280 °C 180–220 °C Pressure 0.1–0.3 MPa 0.3–0.5 MPa Atmospheric Conversion ≥98% 92-95% 90-93% DMT selectivity ≥99.2% 94-96% 92-95% Product color (APHA) ≤5 15-25 8-15 Catalyst recovery ≥99.5% (chelating resin) Not recoverable / incinerated Not recoverable TON (turnover number) ≥4,500 ~1,200 ~2,000 Lifetime (continuous) ≥6,000 h ≤2,000 h ≤3,000 h Residual metal in product ≤0.3 ppm Zn ≤80 ppm Sb ≤30 ppm Ti Catalyst recovery: after methanol distillation, residual liquor is passed through a proprietary chelating resin bed (PolyCh-Z-201) that adsorbs Zn²⁺ / Mn²⁺ at ≥99.5% recovery; the adsorbent regenerates every 30 batches. The closed loop eliminates heavy-metal emission and product metal residue — certified under ISO 14001. 04 ENGINEERING DESIGN Process train & materials of construction Five-unit modular skid train assembled on site in 14 days. All critical reaction / distillation components built to GB/T 150 + ASME VIII dual code; materials qualified for 200 °C methanol service. 01 · Pretreatment unit Equipment: Shredder → rotary drier → vibrating screen → feed screw MOC: 304 SS + engineering plastic lining Handles bottle flake, trim, short fiber. Removes PVC / PE / PA contaminants ≥99.5%; final moisture ≤0.3%. 02 · Depolymerisation reactor unit Equipment: 3 × 5 m³ stirred-tank reactor train (in series) + internal coil heat exchanger + ATEX motor MOC: 316L SS (methanol-resistant + chloride-tolerant) PLC ±1 °C T-control, 80-120 rpm agitation, 90-120 min residence. Emergency cooling + N₂ blanketing built in. 03 · Methanol / EG distillation unit Equipment: 4-stage tray distillation column (12 m × DN 800) + reboiler + condenser MOC: Column 304L · trays 316L · condenser Ti Recovered methanol (≥99.5%) recycles to reactor; EG by-product purity ≥99.9%, color ≤5 APHA. Top column equipped with bypass safety valve + flame arrestor. 04 · DMT crystallisation unit Equipment: Cooling crystalliser (jacketed + scraper) → centrifuge (GKH-1250) → drying bed MOC: 316L food-grade polish (Ra ≤ 0.4 μm) Gradient cooling 110→55 °C. DMT crystal purity ≥99.9%, D₅₀ 250-400 μm. Mother liquor recycled to reactor for re-depolymerisation. 05 · Packaging & utilities Equipment: Auto packaging line (25 kg / 500 kg / 1 t) + N₂ station + DCS control room MOC: Carbon steel + ATEX electrical In-line NIR for color / moisture; auto-labeling + QR-code batch traceability. DCS integrates with customer SCADA / ERP. 05 QUALITY ASSURANCE Analytical methods & COA system Each DMT / EG batch ships with a full COA covering 9 critical + 3 extended parameters — purity, color, acid value, moisture, residual metals, thermal stability — under ISO 9001 + ISO 17025. Parameter Method / Standard Instrument Spec Purity GC-FID, GB/T 12717 Agilent 7890B ≥99.9% Color (APHA) ASTM D1209 HACH DR6000 ≤5 Acid value GB/T 12009 (titration) Metrohm 905 Titrando ≤0.01 mg KOH/g Moisture Karl-Fischer, GB/T 6283 Mettler V20S ≤0.1% Melting point / range DSC, GB/T 19466 TA Instruments Q2000 140.5–141.8 °C Ash content GB/T 1429 (gravimetric) Muffle furnace 800 °C ≤0.001% Iron content ICP-MS, GB/T 23942 Agilent 7800 ≤0.5 ppm Zn / Mn residual ICP-MS Agilent 7800 ≤0.3 ppm / ≤0.1 ppm Thermal stability TGA, GB/T 27761 TA Instruments Q500 ≤0.5% loss @ 300 °C / 30 min UV absorbance (285 nm) UV-Vis, ASTM E169 Shimadzu UV-1900 ≤0.05 Particle size distribution Laser diffraction, ISO 13320 Malvern Mastersizer 3000 D₅₀ 250-400 μm Density (25 °C) Pycnometer, GB/T 4472 Anton Paar DMA 4500 1.20 ± 0.02 g/cm³ Sampling frequency 3 sampling points per batch (start / mid / end); +1 for batches ≥5 t. Composite retention sample held 24 months. COA turnaround Standard ≤24 h; expedited 8 h. COA available in PDF + Excel + JSON-LD formats. Third-party verification Monthly blind cross-check by SGS / Intertek / Zhejiang Petrochemical Quality Institute; annual audit on file. 06 IP PORTFOLIO 12 core invention patents 12 granted invention patents across catalyst, process, distillation, skid-mount platform. 3 PCT applications in regional phase — forming a defensible technology moat. ZL 2023 1 0XXXXXX.1 Process method Low-T atmospheric methanolysis of PET to DMT ZL 2023 1 0XXXXXX.2 Catalyst Zn-Mn binary catalyst & preparation method ZL 2023 1 0XXXXXX.3 Catalyst recovery Chelating-resin recovery of Zn²⁺/Mn²⁺ ZL 2023 1 0XXXXXX.4 Distillation Four-stage distillation purification of DMT ZL 2024 1 0XXXXXX.1 Equipment Mobile skid-mounted chemical-recycling DMT plant ZL 2024 1 0XXXXXX.2 Pretreatment On-line PET impurity screening device ZL 2024 1 0XXXXXX.3 Crystallisation Gradient-cooling crystallisation of DMT ZL 2024 1 0XXXXXX.4 Pretreatment Pretreatment of PVC-contaminated waste PET ZL 2024 1 0XXXXXX.5 Refining Deep-decolourisation process for optical-grade DMT ZL 2024 1 0XXXXXX.6 Separation Methanol / EG azeotrope separation method ZL 2024 1 0XXXXXX.7 Feedstock Polyester-fibre waste chemical recycling process ZL 2024 1 0XXXXXX.8 Automation DCS intelligent control system for DMT plant Note: Patent number tails are redacted. Full numbers searchable at CNIPA Patent Search by applicant "Hangzhou Ruisaike New Materials Co., Ltd.", or via Ruisaike IP department on request (PDF). 07 TECHNICAL FAQ Engineering & procurement technical Q&A High-frequency questions from customer process engineers, procurement and QA / compliance teams. For deeper process data, catalyst lifetime curves, or custom solutions, contact sales for the technical data package. 01 What are the advantages of chemical methanolysis vs the traditional PTA-EG polyester route? ResourceCycle's methanolysis process uses waste PET / polyester fibre as feedstock, depolymerising at 155-170 °C / 0.1-0.3 MPa into DMT + EG at molecular level. Vs PTA route: 32% lower energy, 21% lower water, 1.4 t CO₂ saved per ton DMT (ISO 14067 verified). Product color (≤5 APHA) and acid value (≤0.01 mg KOH/g) significantly outperform mechanical recycling — virgin-equivalent polyester grade. 02 How does the Zn-Mn binary catalyst work and what are its advantages? The Zn-Mn binary catalyst combines Zn²⁺ Lewis-acid activation of the ester carbonyl with Mn²⁺ stabilisation of the tetrahedral intermediate, enabling low-T (155-170 °C) high-selectivity (≥99.2%) depolymerisation. Vs Sb₂O₃: reaction temperature 70 °C lower, product color from 15-25 to ≤5 APHA, product Sb residue from ≤80 ppm Sb down to ≤0.3 ppm Zn, TON ≥4,500 = 3.8× of Sb₂O₃. 03 How is the catalyst recovered? Any environmental impact? Post-reaction methanol is distilled off; residual liquor passes a proprietary chelating resin bed (PolyCh-Z-201) that adsorbs Zn²⁺ / Mn²⁺ at ≥99.5% recovery. The adsorbent regenerates every 30 batches, regeneration eluent recycled to the reactor. Zero heavy-metal effluent, ISO 14001 certified. 04 Why is 155-170 °C the chosen reaction temperature window? Would higher T be more efficient? This range is the optimum balance across thermodynamics (K=0.32 sufficient with product separation), kinetics (t½ ≈ 18 min), side reactions (DEG generation ≤2%), and capex (atmospheric equipment). Above 200 °C, DEG doubles, catalyst thermal decomposition accelerates, and pressure-rated equipment raises capex 40%+ — net economics deteriorate. 05 How does the plant handle PVC / metal impurities in waste PET? Pretreatment uses a 5-stage chain: shred → dry → eddy-current sorter → vibrating screen → IR identification. Metals (Fe / Al) removed via eddy current ≥99.8%; PVC (Cl-containing) removed via IR ≥99.5% (avoids HCl corrosion downstream); PE / PA removed by flotation ≥98%. Post-pretreatment impurity content ≤0.1% — reactor feed compliant. 06 Why use 6-10× excess methanol? Is that wasteful? Stoichiometric M/PET = 2, but engineering uses 6-10× excess to: (1) drive equilibrium (K=0.32 unfavourable alone); (2) lower melt viscosity for mass / heat transfer; (3) maintain catalyst solvation. Excess methanol is recovered ≥99.5% via 4-stage distillation, recycled to the reactor — net consumption ≈0.32 t methanol per t DMT. 07 Why does DMT crystallisation use gradient cooling? How is particle size controlled? Gradient cooling 110→55 °C in 3 stages (110→85 °C slow nucleation, 85→65 °C fast growth, 65→55 °C slow shaping) yields a tight D₅₀ 250-400 μm distribution. This particle size optimises centrifugation, drying, and downstream PBT / PETG feed handling. Direct quench widens distribution, increases mother-liquor entrainment loss 8%, and degrades color. 08 How does the by-product EG reach 99.9% polyester-grade purity? Methanol / EG boiling-point gap is 132 °C (64.7 / 197.3 °C) — separable in a 4-stage tray column at atmospheric pressure. EG distillate is secondary-refined via activated carbon adsorption to remove trace aldehyde / acid. Final EG: color ≤5 APHA, moisture ≤0.1%, DEG ≤0.08% — all meeting GB/T 4649 polyester-grade spec for direct PET polymerisation reuse. 09 How is plant safety designed? Built to GB/T 150 (China pressure vessel) + ASME VIII (US ASME) dual code. Safety: (1) reactor PSV + rupture disc 2-tier relief (set 0.5 MPa); (2) plant-wide N₂ inerting (O₂ ≤4%); (3) ATEX Zone 1 electrical; (4) 30+ SIL-2 interlock loops; (5) full HAZOP + safety assessment approved. Zero incidents since commissioning. 10 What outcomes has the Zhejiang University joint R&D centre delivered? The joint research centre with Zhejiang University Department of Polymer Science & Engineering has delivered 5 production technologies: (1) 3rd-gen Zn-Mn binary catalyst (patent ZL2023.X.X.2); (2) PolyCh-Z-201 chelating resin; (3) optical-grade DMT deep-decolourisation process; (4) PVC IR identification algorithm; (5) DCS intelligent control with AI catalyst-lifetime prediction. The centre publishes 6-8 SCI papers / year and trains 4-6 MSc / PhD per year. ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. Industry Portals: ChemicalBook | Guidechem Technical architecture by Factory Growth Lab 中文 EN --- ## URL: https://www.ruisaike.com.cn/en/tools/dmt-roi-calculator Title: DMT ROI Calculator — Plant Economics | ResourceCycle Description: Enter plant capacity, feedstock cost and product price to get annual EBITDA, static payback and CO₂ reduction. Includes ISCC PLUS premium and EG credit. Home Technology Products Solutions News About Contact 中文 00 Tools DMT ROI Calculator Methanolysis plant economics · Quick estimate · Real engineering data Home / En / Tools / Dmt-roi-calculator 00 DMT ROI Calculator Chemical-recycling DMT plant economics — quick estimate Adjust parameters to see payback period, annual EBITDA, CO₂ reduction in real time. Indicative only — contact sales for full feasibility study. Plant capacity 2,000 t/y 200 10,000 Waste PET cost (¥/t) 4,200 2,500 7,500 DMT selling price or PTA-substitution value (¥/t) 8,800 6,500 12,000 ISCC PLUS recycled premium (¥/t) 500 0 1,500 Annual operating hours 8,000 h 6,500 8,400 ∑ Key results Total capex 3,200 ¥M Capex per ton capacity 16,000 ¥/t Annual revenue 2,436 ¥M Annual variable cost 1,360 ¥M Annual fixed cost 256 ¥M EG co-product credit 2,880 ¥/t Annual EBITDA 820 ¥M Static payback period 3.9 years Annual CO₂ reduction 2,800 t CO₂e/y Estimate based on ResourceCycle measured engineering averages: 1.08 t/t PET, 0.32 t/t methanol, Zn-Mn catalyst, 4-stage distillation, gradient crystallisation. EG credit 0.6 t/t × ¥4,800/t. Fixed cost: labor ¥1.2M + maintenance ¥200/t + depreciation 3% capex. Results indicative only. Actual project economics depend on feedstock / product prices, scale, location, subsidies. Contact ResourceCycle sales for full feasibility study. ResourceCycle specializes in manufacturing high-purity Dimethyl Terephthalate (DMT) using chemical process, purity ≥99.9%, polyester grade, used in PBT, PET resin and other fields, offering bulk DMT supply and customized solutions. Scan to add WeChat for pre-sales tech support Quick Links Home Technology Products Cases Insights News About Solutions Industry glossary Certifications DMT ROI calculator Sustainability Policy Direction Contact Industry Portals ChemicalBook Verified Guidechem Showroom Contact Us Xing Meijia +86 139-2296-5578 Email 1273257132@qq.com Address Room 201, Building 2, Chengda (Hangzhou) Technology Park, No. 2018 Huannan Road, Linglong Street, Lin'an District, Hangzhou, Zhejiang © 2024-2026 Ruisaike (Hangzhou) New Materials Co., Ltd. All rights reserved. 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