Name: Evonik Dynasylan MTMO 3-Mercaptopropyltrimethoxysilane
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Evonik Dynasylan MTMO 3-Mercaptopropyltrimethoxysilane

Reactive thiol (–SH) group enables covalent bonding with metals, sulfur-curable elastomers, and gold surfaces.
Three hydrolyzable methoxy groups ensure strong siloxane network formation on silica, glass, and metal oxides.
Excellent coupling efficiency between inorganic fillers and organic polymer matrices in rubber and adhesive formulations.
Low volatility and good storage stability under recommended conditions (cool, dry, inert atmosphere).
Enables improved dispersion of fillers and enhanced interfacial adhesion in high-performance composites.

Typical Applications Of Evonik Dynasylan MTMO 3-Mercaptopropyltrimethoxysilane

Silica-reinforced passenger and truck tire tread compounds (especially for low-rolling-resistance tires).
Adhesion promoters in rubber-to-metal bonding systems (e.g., engine mounts, bushings).
Surface functionalization of nanoparticles for catalysis, biosensors, and conductive composites.
Hybrid sol-gel coatings requiring thiol-reactive anchoring on oxide substrates.
Filler treatment for EPDM, NBR, and SBR compounds demanding high tear strength and dynamic performance.

Chemical Type	Organofunctional alkoxysilane
Product Form	Liquid
Appearance	Colorless to pale yellow clear liquid
Molecular Formula	C6H16O3SSi
Functional Groups	Thiol (–SH) and three methoxy (–OCH3) groups
Density (20 °C)	Approx. 1.05 g/cm³
Refractive Index (20 °C)	Approx. 1.430–1.440
Storage Conditions	Under nitrogen, in tightly sealed containers at 5–25 °C

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