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

DOW DOWSIL Z-6125 Silane

DOW DOWSIL Z-6125 Silane is a vinyl-functional silane coupling agent from Dow’s DOWSIL™ portfolio. It enhances adhesion between organic polymers and inorganic substrates like glass, metals, and minerals. Widely used in sealants, adhesives, and composite formulations, it improves mechanical strength, moisture resistance, and durability through covalent bonding at interfaces.
  • dow dowsil z 6125 silane_e0405e92
  • dow dowsil z 6125 silane_e0405e92

Features Of DOW DOWSIL Z-6125 Silane

  1. High-purity gamma-glycidoxypropyltrimethoxysilane designed for superior coupling performance.

  2. Enhances adhesion between inorganic substrates (e.g., glass, metals, minerals) and organic polymers.

  3. Improves mechanical strength, moisture resistance, and long-term durability of composite systems.

  4. Reactive epoxide functionality enables covalent bonding with epoxy, phenolic, and acrylic resins.

  5. Hydrolytically stable methoxy groups ensure consistent reactivity and shelf life under controlled storage conditions.

Typical Applications Of DOW DOWSIL Z-6125 Silane

  1. Epoxy-based composites for aerospace and automotive structural components.

  2. Fiberglass-reinforced plastics (FRP) used in corrosion-resistant tanks and piping.

  3. Mineral-filled thermosets including encapsulants and electrical potting compounds.

  4. Adhesive and sealant formulations requiring enhanced substrate wetting and bond longevity.

Specifications Of DOW DOWSIL Z-6125 Silane

Chemical TypeGamma-glycidoxypropyltrimethoxysilane
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Density at 25°C1.07 g/cm³
Refractive Index at 25°C1.428–1.432
Flash Point (PMCC)105°C
pH (1% aqueous solution)4.0–5.5
Storage Temperature5–30°C in tightly sealed containers


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