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

DOWSIL Z-6020 Silicate Coupling Agent

DOWSIL Z-6020 (N-β-aminoethyl-γ-aminopropyltrimethoxysilane) is a dual-amino functional silane coupling agent that enhances adhesion between organic resins (epoxy, polyurethane) and inorganic substrates (glass, metals). Its high purity (85% active) and reactive groups improve wet/dry strength (>50% increase) and chemical resistance in composites. Complies with REACH/RoHS, ideal for FRP, adhesives, and coatings with 25kg/450lb packaging options

Features Of DOWSIL Z-6020 Silicate Coupling Agent

  1. Dual Reactivity - Amino groups bond with resins; methoxy links to fillers/glass fibers for stress transfer

  2. Performance Boost - Enhances wet-state flexural strength (100% increase in polyester composites) and electrical properties

  3. Process Adaptability - Self-emulsifying in water (pH 3.0–4.5) or soluble in alcohols (n-butanol) for flexible application

  4. Durability - Improves salt-spray resistance (>1,000 hours) and thermal stability (up to 263°C)

Typical Applications Of DOWSIL Z-6020 Silicate Coupling Agent

  1. RP Composites - Glass fiber sizing for automotive/construction (50% strength increase)

  2. Adhesives/Sealants - Enhances epoxy/polyurethane bonding to metals (Al, steel) and glass

  3. Thermoplastics - Mineral-filled nylon/PBT with improved mechanical properties

  4. Coatings - Waterborne acrylics with superior adhesion

Specifications Of DOWSIL Z-6020 Silicate Coupling Agent

Chemical NameN-β-aminoethyl-γ-aminopropyltrimethoxysilane
CAS No.1760-24-3
AppearancePale yellow liquid
Active Content85% w/w
Viscosity (25°C)5–6.5 cSt
Flash Point49–85°C (closed cup)


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