Shandong Yili-Spring Chemical Industry co.,Ltd.


 Maleic Anhydride 99.5% 

CAS No.: 108-31-6

Molecular Formula: C4H2O3

UN No.: 2215

Packing: 25KG BAG

Appearance: White briquettes, White briquettes

APPLICATION

Maleic anhydride is used in the production of unsaturated polyester resin as well as in the manufacture of coatings, pharmaceutics, agricultural products, surfactant, and as an additive of plastics.

Around 50% of world maleic anhydride output is used in the manufacture of unsaturated polyester resins (UPR). Chopped glass fibers are added to UPR to produce fibreglass reinforced plastics that are used in a wide range of applications such as pleasure boats, bathroom fixtures, automobiles, tanks and pipes.

Test Item
Unit
Specification
Purity
%
99.5 min
Molten Color 
APHA
25 max
Solidifying point 
52 max
Ash 
%
0.005 max
Iron
PPM
3 max


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