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

Shin-Etsu KBE-503 Silane Coupling Agent

Shin-Etsu KBE-503 (3-Methacryloxypropyltriethoxysilane) bridges organic polymers and inorganic substrates through dual-reactive methacryloxy/ethoxy groups. This coupling agent enhances mechanical strength, electrical properties, and weather resistance in composites while optimizing filler dispersion. Its unique chemistry improves adhesion in coatings/inks and boosts wet-performance stability in harsh environments, making it ideal for demanding industrial applications

Features Of Shin-Etsu KBE-503 Silane Coupling Agent

  1. Dual-Functional Bonding - Methacryloxy binds organics; ethoxy links inorganics for robust interfaces

  2. Performance Enhancement - Increases flexural strength, compressive resistance, and interlaminar shear in composites

  3. Environmental Durability - Significantly improves wet-state electrical/mechanical properties

  4. Processing Efficiency - Reduces viscosity in coatings/inks, prevents filler sedimentation

  5. Multi-Matrix Compatibility - Effective with polyesters, EPDM, acrylics, and polycarbonate

Typical Applications Of Shin-Etsu KBE-503 Silane Coupling Agent

  1. Reinforced Composites - Glass fiber/FRP for automotive and aerospace

  2. Wire & Cable Insulation - Enhances wear/voltage resistance in EPM/EPDM systems

  3. Industrial Coatings - Improves adhesion, film hardness, and weatherability

  4. Ink Formulations - Boosts substrate bonding and radiance in printing

  5. Filler Modification - Surface treatment for silica, quartz, and metal powders

Specifications Of Shin-Etsu KBE-503 Silane Coupling Agent

Chemical Name
γ-Aminopropyltriethoxysilane
Molecular Formula
NH₂(CH₂)₃Si(OC₂H₅)₃
Molecular Weight
221.4
Appearance
Colorless Transparent Liquid
Flash Point
96℃ - 103℃
Density (25℃)
0.940 - 0.946
Refractive Index (25℃)
1.414 - 1.421
Boiling Point
217℃
CAS Number
919 - 30 - 2


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