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

DOW DOWSIL Z-6582 Silane

DOW DOWSIL Z-6582 Silane is a bifunctional organosilane coupling agent featuring methacryloxy and triethoxysilyl groups. It enhances adhesion between organic polymers and inorganic substrates like glass, metals, and fillers. Widely used in coatings, adhesives, sealants, and composite formulations for improved durability, moisture resistance, and mechanical performance.
  • dow dowsil z 6582 silane_3e869718
  • dow dowsil z 6582 silane_3e869718

Features Of DOW DOWSIL Z-6582 Silane

  1. Highly reactive amino-functional silane offering strong covalent bonding to inorganic substrates such as glass, metals, and fillers.

  2. Enhances adhesion and durability in moisture-cure sealants and adhesives, especially under humid or challenging environmental conditions.

  3. Improves dispersion and interfacial compatibility of fillers in silicone and organic polymer systems.

  4. Enables superior mechanical property retention after aging, including tensile strength and elongation.

  5. Compatible with a broad range of silicone polymers, resins, and solvent-based formulations.

Typical Applications Of DOW DOWSIL Z-6582 Silane

  1. Adhesion promoters in silicone-based RTV and LTV sealants for construction and automotive glazing.

  2. Surface modifier for silica, calcium carbonate, and clay fillers in high-performance elastomers and composites.

  3. Key additive in hybrid sealants combining silicone and organic polymer chemistries.

  4. Primer component for metal and glass substrates prior to silicone or polyurethane bonding.

  5. Performance enhancer in weatherable coatings and protective films requiring long-term UV and moisture resistance.

Specifications Of DOW DOWSIL Z-6582 Silane

Chemical TypeAminoalkyl alkoxysilane (3-aminopropyltriethoxysilane derivative)
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Primary ApplicationsAdhesion promotion, filler surface treatment, hybrid polymer formulation
Key FeaturesAmino functionality, hydrolyzable ethoxy groups, low volatility
BenefitsImproved wet adhesion, enhanced filler-matrix coupling, reduced formulation viscosity
Storage StabilityStable for ≥12 months at 5–30 °C in sealed containers
Handling PrecautionsUse in well-ventilated areas; avoid contact with skin and eyes


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