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

Wacker SILRES SY 231 Silicone Resin

Wacker SILRES SY 231 is a solvent-based methyl-phenyl silicone resin offering excellent thermal stability, weather resistance and electrical insulation. Part of Wacker’s SILRES® resin series, it cures to form hard, glossy, durable films ideal for coatings, impregnation and binders in high-performance industrial applications.
  • wacker silres sy 231 silicone resin_332ddee9
  • wacker silres sy 231 silicone resin_332ddee9

Features Of Wacker SILRES SY 231 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 and pigments, enabling flexible formulation design.

  4. Low surface energy and hydrophobic character, providing water repellency and anti-graffiti functionality.

  5. Solvent-based liquid form with adjustable viscosity for easy integration into coating and impregnation processes.

Typical Applications Of Wacker SILRES SY 231 Silicone Resin

  1. High-performance exterior architectural coatings for concrete and masonry substrates.

  2. Water-repellent impregnations for natural stone, brick, and porous building materials.

  3. Heat-resistant topcoats for industrial metal surfaces and chimneys.

  4. Functional additives in silicone-modified acrylic and epoxy hybrid systems.

  5. Base resin for anti-graffiti and self-cleaning facade coatings.

Specifications Of Wacker SILRES SY 231 Silicone Resin

Chemical TypeMethyl-phenyl silicone resin
Product FormLiquid, solvent-based (xylene/butyl acetate blend)
AppearanceClear to slightly yellowish viscous liquid
Non-Volatile ContentApprox. 50 wt.%
Viscosity (23 °C, DIN 53019)Approx. 150–250 mPa·s
Density (20 °C)Approx. 0.92–0.95 g/cm³
Flash Point (PMCC)Approx. 35 °C
Primary ApplicationsProtective coatings, water repellents, heat-resistant finishes


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *