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

Wacker SILRES WH Silicone Resin

Wacker SILRES WH is a solvent-based silicone resin from Wacker’s SILRES series offering excellent weather resistance thermal stability and adhesion to diverse substrates. It enables high-performance coatings sealants and composite matrices with low VOC content and superior UV resistance ideal for demanding industrial applications.
  • wacker silres wh silicone resin_3e1ebaa2
  • wacker silres wh silicone resin_3e1ebaa2

Features Of Wacker SILRES WH 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-fouling properties.

  5. Reactive silanol groups allow crosslinking via condensation or with other functional resins.

Typical Applications Of Wacker SILRES WH Silicone Resin

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

  2. Heat-resistant industrial coatings for metal substrates and exhaust systems.

  3. Water-repellent additives in mineral-based renders and plasters.

  4. Key binder component in silicone-modified stucco and EIFS (Exterior Insulation and Finish Systems).

  5. Functional additive in fire-retardant coatings to enhance char integrity and surface cohesion.

Specifications Of Wacker SILRES WH Silicone Resin

Chemical TypeMethyl-phenyl silicone resin with reactive silanol groups
Product FormLiquid, solvent-based (typically xylene or aromatic hydrocarbon blend)
AppearanceClear, colorless to pale yellow liquid
Solids ContentApprox. 50–60 wt% (as supplied)
Viscosity (25 °C)100–300 mPa·s (Brookfield DV-II+ viscometer, spindle #3, 60 rpm)
Density (20 °C)Approx. 0.92–0.96 g/cm³
Primary ApplicationsCoating binders, hydrophobic modifiers, heat-resistant formulations
Key FeaturesThermal stability, weather resistance, resin compatibility, hydrophobicity


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