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

Shin-Etsu Silane Coupling Agent KBM

The Shin-Etsu Silane Coupling Agent KBM series designed to enhance adhesion, durability, and processing efficiency across composite materials. These organosilane compounds act as molecular bridges, bonding organic resins (e.g., epoxies, polyurethanes) with inorganic substrates like glass fibers, metals, and minerals through tailored reactive groups such as epoxy, methacryloxy, and styryl functionalities.

Engineered for versatility, the series improves mechanical strength, chemical resistance, and thermal stability in coatings, adhesives, and fiber-reinforced plastics. Their rapid curing capabilities at ambient or low temperatures optimize production efficiency in electronics encapsulation and automotive component manufacturing.

Key variants feature hydrolytic stability and low VOC emissions, aligning with global environmental standards.


  • silane-coupling-agent-kbm
  • silane-coupling-agent-kbm

Features Of Shin-Etsu Silane Coupling Agent KBM

  1. Superior Adhesion Performance: Enhances bonding strength between coatings and various substrates

  2. Enhanced Durability: Provides excellent chemical and corrosion resistance for long-lasting protection

  3. Easy Application: Low viscosity formulation ensures smooth mixing and application

  4. Rapid Curing: Fast curing at ambient or low temperatures improves production efficiency

  5. Environmentally Compliant: Meets eco-friendly standards and suitable for waterborne systems

Typical Applications Of Shin-Etsu Silane Coupling Agent KBM

  1. Composite Materials: Surface treatment for glass fiber reinforced plastics to improve mechanical properties

  2. Coatings & Inks: Enhances adhesion, water resistance and weather resistance in protective coatings

  3. Adhesive Systems: Improves bonding strength and durability in various adhesive formulations

  4. Wire & Cable: Used in polyethylene crosslinking for insulation materials

  5. Electronic Protection: Provides moisture resistance for electronic components

Specifications Of Shin-Etsu Silane Coupling Agent KBM

ModelAppearanceDensity (g/ml)Refractive Index (25℃)Boiling PointFlash Point
KBM402Colorless transparent liquid1.065-1.0721.4260-1.4280290℃149℃
KBM-503Colorless to light yellow liquid1.061.427102℃/0.53kPa126℃
KBM5103Colorless to light yellow liquid1.061.427102℃/0.53kPa126℃
KBM303Colorless to light yellow liquid1.0631.427290℃149℃
KBM803Colorless to light yellow liquid1.028 (20℃)1.4425~1.4460261℃~263℃138℃
KBM585Colorless to light yellow liquid1.028 (20℃)1.4425~1.4460261℃~263℃138℃
KBM143Colorless transparent liquid1.060~1.0751.4260~1.4300290℃149℃
KBM573Clear to light yellow liquid////
KBM603Colorless to light yellow liquid1.028 (20℃)1.4425~1.4460261℃~263℃138℃





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