Methyltriethoxysilane (MTES)

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Methyltriethoxysilane is a functional organosilane featuring a methyl functional group and hydrolyzable ethoxy groups, providing strong reactivity and compatibility with both organic polymers and inorganic substrates. It serves as an effective crosslinking and surface treatment agent, improving adhesion, water resistance, and durability in various formulations.

Commonly used in coatings, adhesives, sealants, and silicone rubber systems, Methyltriethoxysilane enhances mechanical performance, moisture resistance, and substrate bonding.

Key Features:

  • Improves adhesion and crosslinking in organic–inorganic systems

  • Enhances water repellency and surface durability

  • Promotes moisture cure in silicone and alkoxy systems

  • Provides excellent stability and compatibility in formulations

Applications:

  • Coatings and surface treatments

  • Adhesives and sealants

  • Silicone rubber modification

  • Water-repellent and protective finishes

CAS # 2031-67-6

Methyltriethoxysilane is a functional organosilane featuring a methyl functional group and hydrolyzable ethoxy groups, providing strong reactivity and compatibility with both organic polymers and inorganic substrates. It serves as an effective crosslinking and surface treatment agent, improving adhesion, water resistance, and durability in various formulations.

Commonly used in coatings, adhesives, sealants, and silicone rubber systems, Methyltriethoxysilane enhances mechanical performance, moisture resistance, and substrate bonding.

Key Features:

  • Improves adhesion and crosslinking in organic–inorganic systems

  • Enhances water repellency and surface durability

  • Promotes moisture cure in silicone and alkoxy systems

  • Provides excellent stability and compatibility in formulations

Applications:

  • Coatings and surface treatments

  • Adhesives and sealants

  • Silicone rubber modification

  • Water-repellent and protective finishes

CAS # 2031-67-6