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

Momentive CoatOSil 7500 Silane

Momentive CoatOSil 7500 Silane is a reactive alkoxysilane coupling agent from Momentive’s CoatOSil series, designed to enhance adhesion between organic polymers and inorganic substrates like glass, metals, or minerals—improving durability, moisture resistance, and coating performance in architectural, industrial, and automotive applications.
  • momentive coatosil 7500 silane_410b8cdc
  • momentive coatosil 7500 silane_410b8cdc

Features Of Momentive CoatOSil 7500 Silane

  1. Highly reactive amino-functional silane designed for enhanced adhesion promotion between organic polymers and inorganic substrates.

  2. Offers excellent hydrolytic stability in aqueous and solvent-based systems prior to cure.

  3. Enables covalent bonding with glass, metals, and metal oxides—improving durability and moisture resistance.

  4. Compatible with a broad range of resins including epoxies, polyurethanes, acrylics, and phenolics.

  5. Low volatility and favorable handling characteristics for industrial-scale formulation and processing.

Typical Applications Of Momentive CoatOSil 7500 Silane

  1. Adhesion promoters in automotive and aerospace composite coatings.

  2. Surface treatment agents for fiberglass-reinforced plastics (FRP) and prepregs.

  3. Performance enhancers in high-solids and waterborne industrial primers.

  4. Key additive in sealants and structural adhesives requiring long-term environmental resistance.

  5. Functional modifier for mineral-filled polymer compounds and rubber-to-metal bonding systems.

Specifications Of Momentive CoatOSil 7500 Silane

Chemical TypeAminoalkyl alkoxysilane (3-aminopropyltriethoxysilane derivative)
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Primary ApplicationsAdhesion promotion, surface modification, coupling agent in composites and coatings
Key FeaturesAmino functionality, hydrolyzable ethoxy groups, bifunctional coupling capability
BenefitsImproved interfacial bonding, enhanced corrosion protection, increased mechanical strength at interfaces
Storage ConditionsStore in tightly closed containers at 15–30°C; protect from moisture and direct sunlight
Shelf Life12 months from date of manufacture when stored properly


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