Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

DOWSIL Z-6040 Silicate Coupling Agent

DOWSIL Z-6040 (γ-glycidoxypropyltrimethoxysilane) is a dual-functional epoxy silane coupling agent that enhances adhesion between organic resins (epoxy, polyurethane) and inorganic substrates (glass, metals). Its reactive epoxy and methoxy groups form covalent bonds, improving wet/dry strength (>30% increase) and chemical resistance. Ideal for FRP, coatings, and adhesives, it complies with REACH/RoHS and offers low viscosity (1.6 cSt) for easy processing

Features Of DOWSIL Z-6040 Silicate Coupling Agent

  1. Interfacial Bonding - Epoxy groups react with resins; methoxy links to glass/metals for stress transfer

  2. Performance Boost - Enhances wet-state strength retention in composites and coatings

  3. Process Adaptability - Soluble in water (hydrolyzed) or organic solvents (e.g., n-butanol)

Typical Applications Of DOWSIL Z-6040 Silicate Coupling Agent

  1. Metal/Glass Coatings - Primer for automotive/architectural surfaces

  2. FRP Composites - Glass fiber sizing (30% strength increase)

  3. Cable Insulation - Clay-filled EPDM dielectric enhancement

Specifications Of DOWSIL Z-6040 Silicate Coupling Agent

Chemical Nameγ-Glycidoxypropyltrimethoxysilane
CAS No.2530-83-8
AppearanceColorless to pale yellow liquid
Density (25°C)1.07 g/cm³
Flash Point110°C (closed cup)


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