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

Wacker SILRES BS 5131 Silicone Emulsion

Wacker SILRES BS 5131 is a high-performance anionic silicone emulsion from Wacker’s SILRES BS series, designed for textile softening and hydrophobic finishing. It delivers excellent lubricity, wash-fastness, and compatibility with other auxiliaries. Widely used in cotton, polyester, and blends, it enhances fabric drape, smoothness, and water repellency without yellowing or stickiness.
  • wacker silres bs 5131 silicone emulsion_171961cf
  • wacker silres bs 5131 silicone emulsion_171961cf

Features Of Wacker SILRES BS 5131 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. Enables deep penetration into porous building materials without surface film formation.

  4. Compatible with cementitious systems and common construction additives.

  5. Low VOC content, compliant with stringent environmental and occupational safety requirements.

Typical Applications Of Wacker SILRES BS 5131 Silicone Emulsion

  1. Water-repellent treatment for concrete, mortar, and plaster façades.

  2. Impregnation additive in ready-mix renders and thin-bed mortars.

  3. Hydrophobization agent in tile adhesives and grouts.

  4. Performance enhancer in facade protection systems and conservation mortars.

Specifications Of Wacker SILRES BS 5131 Silicone Emulsion

Chemical TypeAlkyl-modified polysiloxane (anionic emulsion)
Product FormReady-to-use aqueous emulsion
AppearanceOpaque white to slightly bluish liquid
pH (1% aqueous solution, 20 °C)6.0 – 7.5
Solids Content (wt. %)28 – 32
Density (20 °C)Approx. 1.02 – 1.04 g/cm³
Viscosity (20 °C, Brookfield RV, spindle #3, 20 rpm)50 – 150 mPa·s
Primary ApplicationsMineral building material impregnation and hydrophobization


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

Your Name *

Your Email *

Your Phone

Country

Your Message *