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PMA

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Brand: Deping
型号: PMA
规格: Pyromellitic Acid (PMA)
Price: Negotiable
Min.Order:
Supply
Delivery: Shipment within 3 days since the date of payment
Address: China
Valid until: Never Expire
Updated on: 2012-10-31 10:42
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Details

SPECIFICATION
Specifications:
       
Chemical Name
BENZENE-1245-TETRA-CARBOXYLIC Acid
Formula
C10H6O8
Structural Formula:
CAS NO.
89-05-4
Molecular Weight
254
Melting Point
>=282C
Purity weight
>=98.5%
Volatile Fraction weight
<=0.5%
Ash Content
<=400ppm
Organic Impurity weight
<=1.5%
Form
Powder
Color
White
Applications:
1. used as raw material producing polyimide.
2. Used as raw material producing tetraoctyl ester of Pyromellitic Acid.
3. used as raw material producing matting hardeners.

 
Storage and Packaging
 
Keep in drying and ventilating place ,away from moisture, fire and rain.
Corrugated paper barrel, 25 kg/barrel, inner packing is PE bag, the export is vacuum-bag in cool, dry place of moisture-proof, far from the heat source
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