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Trimellitic Anhydride(TMA)
Other name: Trimellitic anhydride
CAS number: 552-30-7
Product standard: GB/T 23967-2009
Annual capacity: 40,000 tons/year
Structural skeleton symbol: C9H405
Molecular weight: 192.12
Boiling point: 240°C~245°C 1.87kpa
Flash point: 227°C
Technical requirements
Measuring items Technical Index
Appearance White flake solids
Trimellitic anhydride, w/% 95.0
Acid value/(mgKOH/g) 865
Melting chroma /Hazen unit (Pt-Co color number) 150
Crystallization point/℃ 164.0
o-Phthalmic acid anhydride,w/% /
Solubility

It is easily soluble in ethanol, acetone and most organic solvents; and slightly soluble in water, and it is converted into trimellitic acid in water.

Package type

To be packed with plastic lined composite bag with net weight 25kg or with plastic lined composite bag with net weight 500/1000kg.

Application

1. For trioctyl trimellitate-production.

Widely used as the clad material of electrical components, internal electric wires of vehicles, and semiconductors, etc., as well as, automotive cable, car upholstery, artificial leather, washing machine drain hose, venetian blinds, sealing materials and packing, etc.

2. For producing polyamide polyimide and polyester.

Mainly used for F and H grades motor insulation materials, which can be long-term used at 230-250 ℃. Additionally, it can be used for manufacturing the molded plastic parts of electrical components, valve parts, bearings, jet engine parts, and others.

3. For producing alkyd resin.

Mainly used as the prime coat of automotive, electrical appliances and mechanical products, and also used as the surface paint of kitchen, furniture and others, as well as, used for the industrial building materials and commonly paints, etc.

4、Other applications

It is cheap and practical curing agent. It is widely used for the places with higher decorative, anti-corrosion requirements, such as, household appliances, bicycles, doors, windows and others. And used as the heat resistant insulating laminates, synthetic dyes, heat resistant varnish, stabilizer, fiber softening agent, pigment, water treatment agent, cinefilm and surface active agent, etc.


 
             
 
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