Where to buy PMDA from China top PMDA suppliers and manufacturers at best price? TNJ offers reasonable PMDA price and high quality. To buy Pyromellitic Dianhydride PMDA from TNJ Chemical is your best option. For more information, please feel free to contact sales@tnjchem.com
Pyromellitic Dianhydride CAS No: 89-32-7, Pyromellitic 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.
Specification
Appearance White crystalline powder
Melting point 286℃~288℃
Free acid content ≤0.5 wt%
Assay ≥99.5%
Uses
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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