DMT Procurement: Flake vs Briquette vs Liquid

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.

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.

DMT Procurement Guide: How to Choose Solid Flake, Briquette and Liquid Dimethyl Terephthalate