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99.5% china Pyromellitic Dianhydride suppliers
99.5% China Pyromellitic Dianhydride suppliers
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    20 kg/carton; 25 kg/drum
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Find 99.5% China Pyromellitic Dianhydride suppliers CAS 89-32-7 from China, and select TNJ Chemical as the top99.5% China Pyromellitic Dianhydride suppliers, factory and manufacturers. We offer best price of Pyromellitic Dianhydride with high quality. If you want to buy Pyromellitic Dianhydride, please feel free to contact sales@tnjchem.com

Pyromellitic Dianhydride CAS No: 89-32-7Pyromellitic dianhydride is an organic compound with the formula C6H2(C2O3)2. It is the double carboxylic acid anhydride that is used in the preparation of polyimide polymers such as Kapton. It is a white solid.


Appearance           White crystalline powder 

Melting point          286℃~288℃ 

Free acid content   ≤0.5 wt% 

Assay                    ≥99.5%



PMDA is mainly applied as an intermediate for polyimide films as well as polyimide based composite materials in flexible printed circuit boards, tape automated bonding, magnetic wire insulation, and other high performance applications. It is also used as a curing agent for epoxy resins used in molding powders (to produce components for seal rings, thrust washers, special gaskets or thermal and electrical insulators), adhesives and coatings.

Packing & storage 

25 kg/drum; 20 kg/carton

Stored in dry and ventilation place, far from heat and water

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