Pyromellitic Dianhydride, commonly known as PMDA and identified by CAS 89-32-7, stands as a cornerstone in the realm of high-performance polymers, particularly polyimides. As a premier manufacturer and supplier based in China, we are dedicated to providing consistently high-quality PMDA to meet the exacting demands of global industries.
The unique molecular structure of PMDA, featuring two anhydride functional groups on a benzene ring, makes it an exceptional monomer for creating polymers with outstanding thermal stability, excellent mechanical strength, and superior electrical insulation properties. These characteristics are indispensable for applications in challenging environments, such as those found in the aerospace sector, advanced electronics, and automotive components.
For research scientists and product formulators, understanding the role of PMDA is key to unlocking innovative material solutions. Its reactivity allows for the formation of rigid polyimide chains, resulting in materials that can withstand extreme temperatures and harsh chemical conditions. This makes PMDA an invaluable ingredient for companies looking to buy materials that offer longevity and reliability.
As a dedicatedmanufacturer of Pyromellitic Dianhydride in China, we ensure that our product adheres to strict purity standards. This is critical, as even minor impurities can affect the final polymer properties. By sourcing PMDA from us, you are guaranteed a product that facilitates optimal polymerization, leading to superior polyimide resins and films. We offer competitive price points for bulk orders, making it easier for businesses to integrate this high-value chemical into their production processes.
Whether you are developing new electronic components, high-temperature coatings, or advanced composites, our Pyromellitic Dianhydride is your ideal choice. We invite you to connect with us to discuss your specific requirements, request samples, and obtain a quotation for purchasing PMDA. As your trusted supplier, we are committed to supporting your material innovation journey.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.