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

Wacker 850E-CN Silicone Antifoam Emulsion

Wacker SILICONES Wacker 850E-CN is a high-performance silicone antifoam emulsion designed for aqueous systems requiring rapid foam suppression and long-term stability. It offers excellent compatibility with water-based formulations, low dosage efficiency, and resistance to shear and temperature variations—ideal for coatings, adhesives, and industrial cleaning applications.
  • wacker 850e cn silicone antifoam emulsion_59fd9793
  • wacker 850e cn silicone antifoam emulsion_59fd9793

Features Of Wacker 850E-CN Silicone Antifoam Emulsion

  1. Highly effective silicone-based antifoam with rapid knock-down and long-lasting foam suppression.

  2. Stable oil-in-water emulsion designed for easy dispersion and compatibility in aqueous systems.

  3. Low dosage efficiency — effective at concentrations as low as 0.01–0.1 wt% in many formulations.

  4. Excellent thermal and shear stability under industrial processing conditions.

  5. Compliant with major food-contact and non-food industrial regulatory guidelines (e.g., FDA 21 CFR §173.370, EU Regulation (EC) No 1935/2004).

Typical Applications Of Wacker 850E-CN Silicone Antifoam Emulsion

  1. Paints and coatings manufacturing — controls foam during pigment dispersion and let-down.

  2. Water-based adhesives and sealants — prevents surface defects and improves application uniformity.

  3. Textile wet-end processing — suppresses foam in desizing, scouring, and dyeing baths.

  4. Industrial cleaning formulations — ensures consistent foaming behavior and rinsability.

  5. Agrochemical tank-mix applications — enhances compatibility and stability of spray solutions.

Specifications Of Wacker 850E-CN Silicone Antifoam Emulsion

Chemical TypePolydimethylsiloxane (PDMS)-based antifoam emulsion
Product FormOil-in-water (O/W) emulsion
AppearanceWhite to off-white opaque liquid
pH (1% aqueous solution, 25 °C)6.0–8.0
Active Content (as PDMS)20–22 wt%
Density (20 °C)≈1.01–1.03 g/cm³
Viscosity (25 °C, Brookfield LVT, Spindle #3, 6 rpm)500–1,500 mPa·s
Storage Stability≥12 months at 5–30 °C in unopened original packaging


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