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

Wacker SILRES SY 300 Silicone Resin

Wacker SILRES SY 300 is a methyl-phenyl silicone resin offering excellent thermal stability, weather resistance and electrical insulation. It cures to a hard, glossy film with superior adhesion to metals and ceramics. Widely used in high-performance coatings, LED encapsulation and heat-resistant finishes across automotive and electronics industries.
  • wacker silres sy 300 silicone resin_ed0809e6
  • wacker silres sy 300 silicone resin_ed0809e6

Features Of Wacker SILRES SY 300 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 inherent water repellency and anti-graffiti functionality.

  5. Solvent-based liquid form with adjustable viscosity for flexible processing and application methods.

Typical Applications Of Wacker SILRES SY 300 Silicone Resin

  1. High-performance architectural coatings for façades and concrete protection.

  2. Heat-resistant coatings for industrial equipment and exhaust systems.

  3. Water-repellent impregnation treatments for natural stone and masonry.

  4. Hybrid binders in silicone-modified paints and topcoats.

  5. Functional additives in fire-protection and intumescent coating systems.

Specifications Of Wacker SILRES SY 300 Silicone Resin

Chemical TypeMethyl-phenyl silicone resin
Product FormLiquid, solvent-based
AppearanceClear, colorless to pale yellow liquid
SolventXylene / aromatic hydrocarbon mixture
Non-Volatile ContentApprox. 50 wt %
Viscosity (23 °C)Approx. 100–200 mPa·s
Density (20 °C)Approx. 0.92–0.96 g/cm³
Flash Point (PMCC)Approx. 40 °C


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