Mercapto Silane Coupling agent Crosile–189
Chemical Name :3-Mercaptopropyltrimethoxysilane
Formula :C6H16O3SSi
CAS NO.: 4420-74-0, Einecs No: 224-588-5
Formula Structure: 
Equivalent type: A-189(UnitedCarbide,US),KBM-803(Shin-Etsu,Japan),Z-6062 (Dow Corning,US),
Si-163(Degussa,German),S810( Chisso ,Japan),KH-590(China),MTMO(Degussa)
Specifications
Test Item Target Values(Spec.Limits)
Purity Min 97.0%
Alcohol Content Max 2.0%
Specific Gravity (25℃) 1.020-1.060
Refractive Index (25℃) 1.440-1.445
Application Range
- Mercapto Silane coupling agent crosile-189 has special effect on the metal surface rust inhibitor. With its thiol functional group, it can strengthen the surface corrosion resistance and oxidation resistance and increase the adhesion with resin, when face gold, silver and copper surface processing
- In rubber industry, Mercapto Silane Crosile-189 has been used in dispose inorganic filler such as white carbon black, carbon black,glass fiber, mica, which can enhance rubber mechanical property and abrasion resistance.
- Mercapto Silane Crosile-189 is also available for shrink resistant finish in spinning.
Package and storage
- Package:25kg or 200 kg in plastic drums and 1000kg/IBC.
- Storage: Kept in a low temperature, dry and ventilated place, avoid direct sunlight.
- Shelf life: One year in ventilating, cool and dry area.