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Zhengdan Group is engaged in the development and manufacture of fine chemical products. It has self-support import/export right. It was assigned as "Key Hi-tech Enterprise" by the State Science&Technology Ministry. And notably it is ISO9000:2000 and ISO14000:2000 certified. Now it has an area of 150,000 M2, with about 1000 employees and a total assets of 350 million yuan. The total output is 50,000 tons per year.
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Trimellitic anhydride(TMA)
Other Name: Anhydrotrimellitc Acid
Molecular Formula: C9H4O5
Structure:
Physical and Chemical Property:
Appearance: white flake
Melting Point: 168°C
Solubility: soluble in hot water, acetone, 2-J ketone, N,N-Dimethylformamide, Ethyl acetoacetate, Cyclohexanone. It can react with ethanol anhydrous.
Main Uses:
Used for producing polyester resin, polyimide resin, water soluble alkyd resin, water soluble polyurethane resin, plasticizer, water soluble amino-alkyd resin, curing agent for epoxy resin, aeroengine oil, electric capacitor maceration oil, binder, sizing agent, smoke suppressor, instant binder, etc..
Quality Specification
Appearance white flakes or granules
Purity, % ≥ 99.80
Acid value, mgKOH/g ≥ 870.00
Anhydride, % 98.50±1.50
mp, °C 165.0-168.0
Triethylene glycol (TEG）Color index, Pt-Co ≤ 50#
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| Company : |
JiangSu ZhengDan Group Corp. |
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Contact us |
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| Country : |
China |
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