337vt最大但人文艺术西方,特级α片在线观看,黃色a片三級三級三級,成年人免费观看视频网站,无码八a片人妻少妇久久,五月天狠狠操Av研究站久久,久久嫩模无码视频,国产一卡二卡国产无码精品区,亚洲无码不卡一二三区

Factory outlet ethylene glycol dimethacrylate　Large scale sales of ethylene glycol dimethacrylate　　Professional wholesale of ethylene glycol dimethacrylate

99% Domestic　　　　　200kg/drum　　　
Alias: Ethylene dimethacrylate; ethane-1,2-diyl bis(2-methylprop-2-enoate) 　　
CAS No.: 97-90-5 　　
Acid value: ≤0.03% (MAA) 　　
Water content: ≤0.03% 　　
Chroma: ≤50 (Pt-Co
Appearance: Colorless transparent liquid 　　
Molecular weight: 198.2g/mol 　　
Density: 1.051g/cm3 (20^οC) 　　
Refractive index: 1.455(20^οC) 　　
Boiling point: 240^οC (101.3kpa) 　　
Melting point: －20^οC 　　
Flash point: +101^οC 　　
Viscosity: 3.2mPa.s(20^οC)
Ethylene Glycol Dimethacrylate is mainly used in plastic and ruuber industry as the cross-linking agent of ethylene - acrylic acid copolymer ABS, acrylic sheet, pipeline, glass fiber reinforced polyester, PVC, ion exchange resin, smokeless powder wrapping polymerization, glazing, etc. It can improve the harness, heat resistance, weather fastness, solvent resistance and wear resistance. Also used as cross-linking agent in artificial marble, dental material, emulsion copolymer, papermaking, rubber peroxy hardening modifier, adhesive, ink and optical polymer.