Name: Evonik Dynasylan MTES Methyltriethoxysilane
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Evonik Dynasylan MTES Methyltriethoxysilane

Highly reactive organosilane with three hydrolysable ethoxy groups and one non-hydrolysable methyl group.
Enables controlled surface modification of inorganic substrates such as glass, silica, and metal oxides.
Offers excellent compatibility with organic polymers and resin systems including epoxies, polyurethanes, and acrylics.
Low viscosity liquid ensures easy handling, precise metering, and homogeneous dispersion in formulations.
Hydrolysis-condensation reactivity supports formation of stable siloxane networks under mild curing conditions.

Typical Applications Of Evonik Dynasylan MTES Methyltriethoxysilane

Adhesion promoters in automotive sealants and structural bonding agents.
Surface treatment agent for mineral fillers and pigments in high-performance composites.
Coupling agent in silicone-modified construction mortars and grouts.
Functional additive in water-repellent impregnation systems for concrete and natural stone.
Pre-treatment component for glass fiber sizing formulations to enhance polymer matrix adhesion.

Chemical Type	Organofunctional alkoxysilane
Product Form	Clear, colorless to pale yellow liquid
Appearance	Homogeneous, mobile liquid at 20 °C
Molecular Formula	C₇H₁₈O₃Si
Molecular Weight	178.3 g/mol
Density (20 °C)	0.93–0.95 g/cm³
Refractive Index (20 °C)	1.386–1.392
Flash Point (PMCC)	45–48 °C

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