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

Shin-Etsu KBE-303 Silane Coupling Agent

Shin-Etsu KBE-303 is an epoxy-functional silane coupling agent designed to enhance adhesion between organic coatings/inks and inorganic substrates. Its ethoxy groups ensure controlled reactivity, while the epoxy moiety enables compatibility with diverse resins. This auxiliary agent significantly improves mechanical strength, moisture resistance, and durability in composite systems, making it ideal for demanding industrial applications

Features Of Shin-Etsu KBE-303 Silane Coupling Agent

  1. Dual Reactivity - Epoxy and ethoxy groups for robust organic-inorganic bonding

  2. Controlled Hydrolysis - Ethoxy functionalization ensures stable processing

  3. Material Versatility - Compatible with thermosets, thermoplastics, and elastomers

  4. Environmental Resistance - Enhances moisture/chemical protection

  5. Performance Preservation - Maintains substrate transparency and flexibility

Typical Applications Of Shin-Etsu KBE-303 Silane Coupling Agent

  1. Epoxy Composites - High-strength structural materials

  2. Acrylic Coatings - Weather-resistant protective layers

  3. Polycarbonate Blends - Impact-modified formulations

  4. Electronic Encapsulants - Moisture-resistant potting compounds

  5. Automotive Adhesives - Durable bonding solutions

Specifications Of Shin-Etsu KBE-303 Silane Coupling Agent

Chemical Name2-(3,4-Epoxycyclohexyl)ethyltriethoxysilane
Molecular Weight276.4 g/mol
Boiling Point310°C (estimated)
Refractive Index1.448 ± 0.005
Recommended Loading0.5-3% by weight



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