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

Wacker SILRES BS 46 Silicone Emulsion

Wacker SILRES BS 46 is a high-performance anionic silicone emulsion from Wacker’s SILRES BS series, designed for textile softening, hydrophobic finishing, and paper coating. It delivers excellent lubricity, smoothness, and water repellency while maintaining breathability and compatibility with common auxiliaries in industrial applications.
  • wacker silres bs 46 silicone emulsion_516da037
  • wacker silres bs 46 silicone emulsion_516da037

Features Of Wacker SILRES BS 46 Silicone Emulsion

  1. Highly stable, anionic silicone emulsion with excellent shelf life and freeze-thaw resistance.

  2. Provides outstanding water repellency and breathability on mineral substrates.

  3. Low surface tension enables deep penetration into porous building materials.

  4. Non-yellowing and UV-stable — maintains aesthetic integrity in exterior applications.

  5. Compatible with common cementitious systems, lime plasters, and acrylic-based coatings.

Typical Applications Of Wacker SILRES BS 46 Silicone Emulsion

  1. Water-repellent impregnation for concrete, brick, and natural stone façades.

  2. Hydrophobic additive in mineral renders and plasters for improved weather resistance.

  3. Key ingredient in silicate paints and facade protection systems.

  4. Functional additive in grouts and joint mortars to reduce efflorescence and water absorption.

Specifications Of Wacker SILRES BS 46 Silicone Emulsion

Chemical TypeAnionic alkyl-modified polydimethylsiloxane emulsion
Product FormReady-to-use aqueous emulsion
AppearanceOpaque white to slightly bluish liquid
pH (1% aqueous solution)6.0 – 7.5
Solids Content25 – 27 wt.%
Viscosity (20 °C, Brookfield RV, spindle #3, 20 rpm)50 – 200 mPa·s
Freeze-Thaw StabilityStable after 3 cycles (–10 °C / 24 h → 23 °C / 24 h)
Primary ApplicationsMineral construction materials, façade protection, render systems


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