Epoxy Resin Dull Curing Agent Pyromelitic Dianhydride/Pmda

Model NO.: PMDA Environmental Protection: Yes Appearance: Powder CAS: 89-32-7 MW: 218.12 Trademark: Y&R Origin: China Certification: REACH Function: Intermediate Color: White Applications: Industry Chemical Raw Material Formula: C10H2O6 Specification: 99% min PMDA exposed to moist air will quickly absorb moisture from the air and hydrolyzed into Pyromellitic Acid. Dissolved in dimethyl sulfoxide, dimethylformamide, acetone and other organic Solvents, insoluble in ether, chloroform and benzene. Mainly used as raw material for polyimide, and crosslinking agent for the manufacture of epoxy curing agent and the polyester tesin extinction.
PMDA is white or slightly yellow crystal powder,produced by PMA.Which is used in the production of polyimide film (PI film), polyimide resin, high temperature resistant electric insulating paint and high temperature resistant coating as raw material, also can be used in the production of dull curing agent of epoxy resin and crosslinking agent of polyester resin, auxiliary of powder coatings, etc.
 

Appearance	White or slightly yellow crystal powder
Melting Point	286 degree min.
Purity	99.0% min.
Neturalization Equivalent	54.3~54.7
Size(0.08-1.0mm)	95%

 

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