JAMMARK INTERNATIONAL TRADINGE(ZIBO) CO., LTD. is one of the most professional manufacturers and suppliers of white crystal powder pyromellitic dianhydride in China. If you're going to buy high quality white crystal powder pyromellitic dianhydride made in China, welcome to get more information from our factory. For price consultation, contact us.

What is White Crystal Powder Pyromellitic Dianhydride?

Pyromellitic dianhydride (PMDA, CAS 89-32-7) is a white crystalline powder with excellent thermal stability and chemical reactivity.

As a chemical raw material, PMDA is mainly used in the production of polyimide (PI), epoxy curing systems, and high-temperature resistant coatings.

Pyromellitic Dianhydride Specifications

PMDA Specification

Key Applications of Pyromellitic Dianhydride

Polyimide (PI) Production

PMDA reacts with aromatic diamines (such as ODA) to produce polyamic acid, which is further imidized into polyimide materials.
These materials are known for:

High temperature resistance (up to 300°C)
Excellent dielectric strength
Long-term stability

Powder Coatings and Matting Agents

PMDA is used as a functional additive in powder coatings to improve:

Surface texture
Heat resistance
Chemical durability

Epoxy Resin Curing Agent

In epoxy systems, PMDA acts as a curing agent, enhancing:

Mechanical strength
Heat resistance
Electrical insulation properties

Electrical Insulation Materials

Widely used in varnishes and insulation coatings for motors, transformers, and electronic components.

Packaging & Export Information

Pyromellitic Dianhydride (PMDA) is packed in 25 kg drums, with 18 drums per pallet for export.
The drums are securely sealed with inner PE liners to prevent moisture absorption and contamination. Palletized packaging ensures stability during transportation and facilitates efficient loading and unloading.
All shipments are prepared in accordance with international export standards to ensure safe delivery and product integrity throughout transit.

Why Choose Our PMDA?

✔ Multiple filtration for fewer impurities

✔ Stable quality, meeting ISO and export standards

✔ Factory direct sales with highly competitive prices

✔ Years of global export experience

FAQ

Q1: How long is your lead time?

Usually 2-3 weeks after order confirmation.

Q2: What documents can you provide?
A: COA, MSDS, Packing List, and other certificates if required.

Q3: What industries use PMDA most?
A: Polyimide, coatings, electronics insulation, and epoxy systems.

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