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

​Dow Corning OFS-6678 Silicate Coupling Agent

Dow Corning OFS-6678 (epoxy-functional silane) Silicate Coupling Agent optimizes adhesion and viscosity reduction in coatings, adhesives, and composites. Its reactive siloxane bonds enhance wet adhesion (>90% retention) and mechanical strength, particularly for UV resin-metal interfaces. Compatible with acrylic/epoxy systems, it enables fast curing (room/elevated temperatures) and complies with REACH/RoHS. Ideal for FRP, cables, and sealants, it improves aging/chemical resistance in harsh environments

Features Of Dow Corning OFS-6678 Silicate Coupling Agent

  1. Interfacial Bonding - Epoxy groups bridge organic resins (e.g., epoxy, phenolic) and inorganic substrates (glass fibers, metals) for stress transfer

  2. Process Efficiency - Reduces viscosity (1.062 g/cm³) for homogeneous filler dispersion in rubber/polymer systems

  3. Durability - Enhances UV/aging resistance (salt spray >1,000 hours) and chemical stability

  4. Multi-Matrix Compatibility - Works with vinyl acetate, acrylic, and methacrylic monomers

Typical Applications Of Dow Corning OFS-6678 Silicate Coupling Agent

  1. FRP Composites - Glass fiber sizing for automotive/construction (30% strength increase)

  2. Wire Insulation - Clay-filled EPDM systems with improved dielectric properties

  3. Industrial Coatings - Metal primers with corrosion resistance

Specifications Of Dow Corning OFS-6678 Silicate Coupling Agent

Chemical Name
γ-Glycidoxypropyltrimethoxysilane
Appearance
Colorless to light yellow transparent liquid
Molecular Weight
236
Specific Gravity (25/25℃)
1.07
Flash Point (Closed Cup)
>101℃
Active Content
>98%
Packaging
200KG/drum


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