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

Dow Corning OFS-6020 Silane

Dow Corning OFS-6020 Silane is a proprietary amino-functional silane coupling agent from the Dow Corning OFS series, designed to enhance adhesion between organic polymers and inorganic substrates like glass, metals or fillers. It improves composite durability, moisture resistance and interfacial bonding in coatings, adhesives and rubber formulations.
  • dow corning ofs 6020 silane_044b036e
  • dow corning ofs 6020 silane_044b036e

Features Of Dow Corning OFS-6020 Silane

  1. Highly reactive amino-functional silane with dual amine functionality for robust covalent bonding to inorganic surfaces.

  2. Excellent hydrolytic stability in aqueous formulations, enabling extended shelf life and consistent performance.

  3. Enhances adhesion between organic polymers and glass, metals, or mineral fillers without requiring harsh surface pretreatment.

  4. Low volatility and favorable handling characteristics compared to chlorosilane alternatives, supporting safer industrial processing.

  5. Enables improved dispersion and interfacial compatibility in filled composites, reducing agglomeration and enhancing mechanical properties.

Typical Applications Of Dow Corning OFS-6020 Silane

  1. Adhesion promoter in automotive sealants and structural adhesives for glass-to-metal bonding.

  2. Surface modifier for silica and clay fillers in high-performance rubber compounds (e.g., tires and industrial hoses).

  3. Functional additive in waterborne coatings and primers for corrosion-resistant metal finishing systems.

  4. Interfacial coupling agent in fiber-reinforced polymer composites for aerospace and wind energy applications.

  5. Stabilizer and compatibilizer in silicone-modified epoxy and polyurethane encapsulants for electronics packaging.

Specifications Of Dow Corning OFS-6020 Silane

Chemical TypeAminoalkylalkoxysilane (3-aminopropyltriethoxysilane derivative)
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Density (25°C)~0.94 g/cm³
Refractive Index (25°C)1.415–1.425
pH (1% aqueous solution)10.0–11.5
SolubilityMiscible with water, alcohols, and common organic solvents
Primary ApplicationsAdhesion promotion, filler surface treatment, coating formulation


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