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

Wacker SILRES BS 280 Silicone Resin

Wacker SILRES BS 280 is a solvent-based methyl-phenyl silicone resin from Wacker’s SILRES® BS series, offering excellent thermal stability, weather resistance and hardness. It cures at room temperature or with mild heat, delivering durable, glossy coatings for industrial paints, varnishes and high-performance composites. Ideal for demanding protective applications requiring chemical inertness and UV resistance.
  • wacker silres bs 280 silicone resin_41c25237
  • wacker silres bs 280 silicone resin_41c25237

Features Of Wacker SILRES BS 280 Silicone Resin

  1. High thermal stability up to 250 °C for extended service life in demanding environments.

  2. Excellent weather resistance and UV stability, maintaining performance under prolonged outdoor exposure.

  3. Good compatibility with organic resins (e.g., acrylics, alkyds) enabling hybrid formulation development.

  4. Low surface energy providing superior water repellency and anti-graffiti functionality.

  5. Solvent-based liquid format for easy integration into conventional coating and impregnation processes.

Typical Applications Of Wacker SILRES BS 280 Silicone Resin

  1. Water-repellent impregnation for concrete, natural stone, and masonry substrates.

  2. High-performance topcoats and clear finishes for architectural façades and cladding systems.

  3. Functional additives in protective coatings for industrial steel and infrastructure assets.

  4. Base resin in heat-resistant coatings for exhaust components and industrial equipment.

  5. Formulation component in anti-graffiti and self-cleaning coatings for urban infrastructure.

Specifications Of Wacker SILRES BS 280 Silicone Resin

Chemical TypePhenyl-methyl silicone resin
Product FormLiquid, solvent-based solution
AppearanceClear, colorless to pale yellow liquid
SolventXylene / aromatic hydrocarbon blend
Non-Volatile ContentApprox. 45–48 wt %
Density (20 °C)Approx. 0.92–0.95 g/cm³
Viscosity (25 °C)Approx. 15–25 mPa·s (Brookfield, spindle #3, 60 rpm)
Primary ApplicationsProtective coatings, impregnation agents, hybrid resin modifiers


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