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

Chem-Art S6040 Silane Coupling Agent

Chem-Art S6040 Silane Coupling Agent is a vinyl-functional organosilane from Chem-Art’s S-series, designed to enhance adhesion between organic polymers and inorganic substrates like glass, metals or fillers. It improves mechanical strength, moisture resistance and composite durability in rubber, adhesives and coating formulations.
  • chem art s6040 silane coupling agent_2d35c427
  • chem art s6040 silane coupling agent_2d35c427

Features Of Chem-Art S6040 Silane Coupling Agent

  1. Highly reactive γ-glycidoxypropyl functional group for strong covalent bonding with epoxy, acrylic, and polyester resins.

  2. Hydrolytically stable alkoxy groups (methoxy) enabling consistent performance in aqueous and solvent-based systems.

  3. Excellent compatibility with silica, glass, and metal oxide fillers—enhancing dispersion and interfacial adhesion.

  4. Low volatility and favorable handling safety profile compared to chlorosilane alternatives.

  5. Enables significant improvement in mechanical properties (tensile strength, flexural modulus, impact resistance) of filled composites.

Typical Applications Of Chem-Art S6040 Silane Coupling Agent

  1. Epoxy-based encapsulants and underfill materials for semiconductor packaging.

  2. Reinforced thermoset composites using silica or glass microspheres in aerospace and automotive components.

  3. Adhesives and sealants requiring enhanced substrate adhesion to glass, aluminum, or stainless steel.

  4. Mineral-filled coatings and industrial primers for corrosion protection on metal substrates.

  5. RTV silicone rubber formulations to improve filler–polymer interaction and tear strength.

Specifications Of Chem-Art S6040 Silane Coupling Agent

Chemical Typeγ-Glycidoxypropyltrimethoxysilane
Product FormLiquid
AppearanceColorless to pale yellow transparent liquid
Primary ApplicationsCoupling agent for epoxy, silicone, and acrylic systems; surface modifier for inorganic fillers
Key FeaturesGlycidoxy functionality, hydrolyzable methoxy groups, low viscosity, high purity
BenefitsImproved composite strength, reduced moisture sensitivity, enhanced thermal stability of interfaces
Storage ConditionsStore in tightly closed containers at 5–30 °C, protect from moisture and direct sunlight
Shelf Life12 months from date of manufacture when stored properly


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