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

DOW DOWSIL Z-6329 Silane

DOW DOWSIL Z-6329 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 minerals. Widely used in coatings, adhesives, sealants, and composite materials to improve durability, moisture resistance, and mechanical performance.
  • dow dowsil z 6329 silane_e99742c9
  • dow dowsil z 6329 silane_e99742c9

Features Of DOW DOWSIL Z-6329 Silane

  1. Highly reactive amino-functional silane for robust interfacial bonding between inorganic substrates and organic polymers.

  2. Enhances adhesion, durability, and moisture resistance in sealants, adhesives, and coatings.

  3. Improves dispersion and compatibility of fillers and pigments in silicone and hybrid polymer systems.

  4. Enables stable hydrolysis under controlled conditions, supporting consistent performance in aqueous and solvent-based formulations.

  5. Offers excellent shelf stability when stored properly in sealed containers under recommended conditions.

Typical Applications Of DOW DOWSIL Z-6329 Silane

  1. Adhesion promoters in silicone-based RTV and HTV rubber compounds.

  2. Surface modifier for glass, silica, and mineral fillers in composites and elastomers.

  3. Performance enhancer in automotive and construction sealants requiring long-term weatherability.

  4. Key ingredient in hybrid polymer (SPUR) adhesives and caulks for improved substrate bonding.

  5. Functional additive in protective coatings for metal and concrete substrates.

Specifications Of DOW DOWSIL Z-6329 Silane

Chemical TypeAminoalkyl alkoxysilane
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Primary ApplicationsAdhesion promotion, filler surface treatment, hybrid polymer formulation
Key FeaturesAmino functionality, hydrolyzable methoxy groups, low volatility
BenefitsImproved wetting, enhanced crosslink density, reduced delamination risk
Storage ConditionsStore in original sealed container at 15–25°C; protect from moisture and direct sunlight
Handling PrecautionsUse in well-ventilated areas; avoid contact with skin and eyes; refer to SDS for full safety guidance


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