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

Wacker SILRES BS SMK 1311 Silicone Resin

Wacker SILRES BS SMK 1311 is a solvent-based methylphenyl silicone resin offering excellent thermal stability, weather resistance and adhesion to diverse substrates. Designed for high-performance coatings, it enhances hardness, gloss retention and chemical resistance in industrial and automotive applications.
  • wacker silres bs smk 1311 silicone resin_6e954a49
  • wacker silres bs smk 1311 silicone resin_6e954a49

Features Of Wacker SILRES BS SMK 1311 Silicone Resin

  1. High thermal stability up to 250 °C continuous service temperature.

  2. Excellent weather resistance and UV stability for long-term outdoor performance.

  3. Good compatibility with organic resins including acrylics, polyesters, and epoxies.

  4. Low surface energy enabling superior water repellency and anti-graffiti properties.

  5. Self-crosslinking capability without added catalysts under ambient or mild heat conditions.

Typical Applications Of Wacker SILRES BS SMK 1311 Silicone Resin

  1. High-performance industrial coatings for metal substrates.

  2. Weather-resistant facade paints and render systems in architectural applications.

  3. Heat-resistant coatings for exhaust components and engine parts.

  4. Functional additives in protective topcoats for concrete and masonry.

  5. Hybrid binder in silicone-modified intumescent fire-protection coatings.

Specifications Of Wacker SILRES BS SMK 1311 Silicone Resin

Chemical TypeMethyl/phenyl silicone resin
Product FormLiquid solution (solvent-based)
AppearanceClear, colorless to pale yellow liquid
SolventXylene / aromatic hydrocarbon blend
Solids Content50 ± 2 wt.%
Viscosity (25 °C)80–120 mPa·s (Brookfield DV2T, spindle #3)
Density (20 °C)0.94–0.96 g/cm³
VOC Content≈500 g/L (EU compliant for industrial coatings)


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