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 powder
Content ≥99.5%
Neutralization equivalent 54.5±0.2
Melting point 284-286℃Application
Used for making polyimide film, resin, powdery paint, delustering agent
Package & Storage
25kg/bag or 25kg/fiber drum
Stored in a cool and dry place, stay away from fire