Silane Coupling Agent Mercaptopropylmethyldimethoxysilane Crosile970

Silane Coupling Agent Crosile®970 is Mercaptopropylmethyldimethoxysilane ,it can used in some resins include acrylic resin, polyurethane, natural rubber, butyl rubber, nitrile rubber, neoprene rubber, polysulfide rubber.

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    3- Mercaptopropylmethyldimethoxysilane Crosile®970 is a bifunctional organosilane possessing a reactive organic mercapto and a hydrolyzable inorganic methoxysilyl group.

Silane Coupling Agent Crosile970 3-Mercaptopropylmethyldimethoxysilane


Chemical Properties

3- Mercaptopropylmethyldimethoxysilane Crosile®970 is a colorless clear liquid with light typical odor. It is soluble in alcohols, ketones and aliphatic or aromatic hydrocarbons.

3- Mercaptopropylmethyldimethoxysilane Crosile®970 is a bifunctional organosilane possessing a reactive organic mercapto and a hydrolyzable inorganic methoxysilyl group.





3-Mercaptopropylmethyldimethoxy Silane


Equivalent type

AY43-062(Dow Corning), KBM-802 (ShinEtsu), DY3403 (Evonik)



Target Values




Specific Gravity (25°C)


Refractive Index (25°C)



3- Mercaptopropylmethyldimethoxysilane Crosile®970 can be used as coupling agent to improve the adhesion of sulfur cured elastomers (polysulfide, polyurethane sealants) to inorganic fillers (such as silica, clay, glass, mica and talc etc.), fiberglass and surfaces. 

Mineral-reinforced articles such as shoe soles, rubber rollers and wheels, white sidewalls, and wire and cable insulation also can be produced with lower silane loadings:

Used to improve properties of mineral filled elastomer, including modulus, tensile and tear strength, heat buildup, abrasion resistance, resilience, compression set and cure time.

Used as a pretreatment on minerals or added at the time of compounding.

Used to improve low-rolling resistance in silica-reinforced tire tread compounds.

3- Mercaptopropylmethyldimethoxysilane Crosile®970 has sulfhydryl-base function groups, and has special efficiency when as antirust of metal surface. 

Disposing metal surface(for example, gold, silver, copper) with it, can strengthen its surface to anti-corrupt, anti-oxidant and improve the sticking property between macromolecule(for example, resin) and it.

In rubber industry, usually used to deal with inorganic filling, such as white carbon black, carbon black, fiberglass, mica, etc, can effectively improve mechanics performance and wear-resisting performance of the rubber.

In the textile industry, can be used in the shrinkproof finishing of the fabric.

Improves the adhesion of polysulfide and polyurethane sealants to glass and metal surfaces. Improves low-rolling resistance in silica-reinforced tiretread compounds. Enhances properties in mineral-reinforced articlessuch as shoe soles, rubber goods.

Silane Coupling Agent Mercaptopropylmethyldimethoxysilane Crosile970


25 kg /drum, it loads 16 MT/ 20 FCL with pallet

200 kg /drum, it loads 16 MT/20 FCL with pallet

1000 kg in plastic drum, 21.2 MT/20 FCL with pallet.


Kept in a low temperature, dry and ventilated place, avoid direct sunlight.

Shelf life:

One year in ventilating, cool and dry area.

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