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

WACKER SIPELL RE 55 M Silicone Water Repellent

WACKER SIPELL RE 55 M is a solvent-based silicone water repellent from WACKER’s SIPELL RE series, designed for deep-penetration treatment of mineral building materials like concrete, brick, and natural stone. It forms an invisible, breathable hydrophobic layer without altering appearance or vapor permeability, offering long-term protection against water ingress and freeze-thaw damage.
  • wacker sipell re 55 m silicone water repellent_6993986e
  • wacker sipell re 55 m silicone water repellent_6993986e

Features Of WACKER SIPELL RE 55 M Silicone Water Repellent

  1. Highly effective water repellency for porous mineral substrates without altering surface appearance.

  2. Excellent UV and weather resistance, ensuring long-term performance in exterior applications.

  3. Low-VOC, solvent-based formulation compliant with major European environmental regulations.

  4. Rapid penetration into concrete, brick, natural stone, and mortar due to optimized molecular weight distribution.

  5. Non-film-forming — preserves substrate breathability and prevents moisture trapping.

Typical Applications Of WACKER SIPELL RE 55 M Silicone Water Repellent

  1. Protection of façade elements in residential and commercial building construction.

  2. Waterproofing of historical masonry and restoration projects.

  3. Treatment of precast concrete panels prior to installation.

  4. Surface protection for exposed aggregate concrete pavements and plazas.

  5. Pre-treatment of clay bricks and terracotta cladding systems.

Specifications Of WACKER SIPELL RE 55 M Silicone Water Repellent

Chemical TypeMethyl hydrogen siloxane (reactive silicone resin)
Product FormLiquid concentrate
AppearanceClear, colorless to pale yellow liquid
Solvent SystemAromatic hydrocarbon blend (xylene-free)
Density (20 °C)Approx. 0.89–0.91 g/cm³
Flash Point (PMCC)Approx. 42 °C
pH (1% aqueous dilution)Neutral (pH 6.5–7.5)
Shelf Life (unopened, 5–25 °C)24 months


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

Your Name *

Your Email *

Your Phone

Country

Your Message *