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

DOW DOWSIL Z-6269 Silane

DOW DOWSIL Z-6269 Silane is a bifunctional organosilane coupling agent featuring methoxy groups and vinyl functionality, designed to enhance adhesion between inorganic substrates (e.g., glass, metals) and organic polymers like silicones, acrylics, and epoxies—widely used in sealants, coatings, and composites for improved durability and moisture resistance.
  • dow dowsil z 6269 silane_02ba5d15
  • dow dowsil z 6269 silane_02ba5d15

Features Of DOW DOWSIL Z-6269 Silane

  1. Highly reactive amino-functional silane for robust covalent bonding to inorganic substrates.

  2. Enhances adhesion between organic polymers and glass, metals, or mineral fillers.

  3. Improves moisture resistance and long-term durability of composite interfaces.

  4. Offers excellent hydrolytic stability in formulated systems prior to cure.

  5. Compatible with a wide range of resins including epoxies, phenolics, and polyurethanes.

Typical Applications Of DOW DOWSIL Z-6269 Silane

  1. Glass fiber sizing for reinforced thermoset composites.

  2. Adhesion promoter in automotive sealants and structural adhesives.

  3. Surface modifier for mineral-filled elastomers and rubber compounds.

  4. Key additive in high-performance epoxy encapsulants for electronics.

  5. Interfacial coupling agent in construction sealants and waterproofing membranes.

Specifications Of DOW DOWSIL Z-6269 Silane

Chemical TypeAminoalkyl alkoxysilane
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Primary ApplicationsAdhesion promotion, surface modification, coupling agent
Key FeaturesAmino functionality, hydrolyzable alkoxy groups, low volatility
BenefitsImproved wetting, enhanced interfacial strength, reduced delamination
Storage Stability≥12 months at 5–25°C in sealed original container
Handling PrecautionsUse in well-ventilated areas; avoid contact with skin/eyes


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