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Hardener Pyromellitic Dianhydride 99.5% CAS 89-32-7
  • CAS No.:

    89-32-7
  • Molecular Formula:

    C10H2O6
  • Quality Standard:

    ≥99.5%
  • Packing:

    20 kg/carton; 25 kg/drum
  • Mininmum Order:

    25KG

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  • Product Details

Buy Harnder Pyromellitic Dianhydride CAS 89-32-7mainly applied as an intermediate for polyimide films from TNJ Chemical, China leading Pyromellitic Dianhydride suppliers, factory & manufacturers. If you want to buy Pyromellitic Dianhydride, please mail to 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.


Specification

Appearance           White crystalline powder 

Melting point         286C~288C

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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