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

Wacker SILRES BS 1001 Silane/Siloxane Emulsion

Wacker SILRES BS 1001 is a high-performance silane/siloxane emulsion from Wacker’s SILRES® construction chemicals series. It delivers durable water repellency and breathability for concrete, masonry, and natural stone without altering appearance or vapor permeability. Based on reactive alkylalkoxysilane chemistry, it penetrates deeply and forms hydrophobic networks within substrates. Widely used in façade protection and restoration.
  • wacker silres bs 1001 silane siloxane emulsion_8839bdb8
  • wacker silres bs 1001 silane siloxane emulsion_8839bdb8

Features Of Wacker SILRES BS 1001 Silane/Siloxane Emulsion

  1. Water-based, ready-to-use silane/siloxane emulsion for easy integration into aqueous systems.

  2. Provides durable water repellency and breathability on mineral substrates without altering appearance.

  3. Exhibits excellent alkali resistance, enabling stable performance in cementitious and plaster-based formulations.

  4. Low VOC content, compliant with stringent environmental and occupational health requirements.

  5. Enables deep penetration into porous surfaces while forming hydrophobic molecular networks upon curing.

Typical Applications Of Wacker SILRES BS 1001 Silane/Siloxane Emulsion

  1. Protective treatment for concrete, mortar, and rendering systems in façade and masonry applications.

  2. Water-repellent additive in exterior insulation finishing systems (EIFS) and stucco coatings.

  3. Functional component in repair mortars and grouts to enhance durability against freeze-thaw cycles and chloride ingress.

  4. Hydrophobizing agent in tile adhesives and joint fillers for improved moisture resistance.

  5. Surface modifier for fiber-cement boards and precast concrete elements prior to painting or sealing.

Specifications Of Wacker SILRES BS 1001 Silane/Siloxane Emulsion

Chemical TypeSilane/siloxane copolymer emulsion
Product FormOpaque white liquid emulsion
AppearanceHomogeneous, milky-white dispersion
pH (at 20 °C)6.5 – 7.5
Solids Content (wt. %)25 – 27
Density (at 20 °C)Approx. 1.02 g/cm³
Storage StabilityAt least 6 months at 5–30 °C in original sealed container
Primary ApplicationsWater repellency for mineral building materials


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