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

Features Of Evonik Dynasylan MTMO Gamma-Mercaptopropyltrimethoxysilane

Reactive thiol (–SH) group enables covalent bonding with metals, sulfur-cured elastomers, and inorganic surfaces.
Three hydrolyzable methoxy groups ensure strong siloxane network formation with glass, silica, and metal oxides.
Excellent hydrolytic stability in anhydrous or low-moisture formulations prior to application.
Low volatility and favorable handling characteristics compared to mercaptosilanes with ethoxy or chloro substituents.
Enables improved adhesion, dispersion, and interfacial reinforcement in hybrid organic–inorganic systems.

Typical Applications Of Evonik Dynasylan MTMO Gamma-Mercaptopropyltrimethoxysilane

Tire tread compounds for enhanced silica–rubber coupling in high-performance passenger and truck tires.
Adhesion promoters in rubber-to-metal bonding systems (e.g., engine mounts, vibration dampers).
Surface modification of fillers such as precipitated silica, fumed silica, and glass fibers for composites.
Functionalization of nanoparticles and mesoporous materials for catalysis and sensing applications.
Hybrid sol–gel coatings requiring dual reactivity toward both organic polymers and inorganic substrates.

Chemical Type	Organofunctional alkoxysilane
IUPAC Name	(3-Mercaptopropyl)trimethoxysilane
Product Form	Clear, colorless to pale yellow liquid
Appearance	Homogeneous liquid, free from visible particles or phase separation
Density (20 °C)	1.05–1.07 g/cm³
Refractive Index (20 °C)	1.432–1.436
Flash Point (PMCC)	≈ 95 °C
Solubility	Miscible with common organic solvents (e.g., ethanol, acetone, toluene); hydrolyzes in water

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