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89-32-7;Pyromellitic dianhydride suppliers
CAS 89-32-7 Pyromellitic dianhydride suppliers price

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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
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