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

Dow DOWSIL FS EPL Defoamer

Dow DOWSIL FS EPL Defoamer is a silicone-based antifoam agent designed for demanding industrial processes. It delivers rapid foam suppression and long-lasting defoaming in water-based systems, especially in coatings, adhesives, and cleaning formulations. Its low-foam, high-efficiency profile ensures compatibility with sensitive chemistries while maintaining stability across pH and temperature ranges.
  • dow dowsil fs epl defoamer_cc02c364
  • dow dowsil fs epl defoamer_cc02c364

Features Of Dow DOWSIL FS EPL Defoamer

  1. Highly effective silicone-based defoamer for rapid foam knockdown and long-term foam suppression.

  2. Excellent compatibility with water-based systems, including emulsions, coatings, and industrial cleaners.

  3. Low dosage requirement—typically effective at 0.05–0.3% w/w in formulated products.

  4. Thermally stable up to 150°C, supporting high-temperature processing conditions.

  5. Non-yellowing and non-staining, suitable for clear or light-colored formulations.

Typical Applications Of Dow DOWSIL FS EPL Defoamer

  1. Architectural and industrial waterborne paints and coatings.

  2. Textile auxiliaries, including dyeing and finishing baths.

  3. Agrochemical formulations such as herbicides, fungicides, and insecticide emulsifiable concentrates (EC).

  4. Industrial cleaning agents and metalworking fluids.

  5. Adhesives and sealants based on acrylic, PVA, or styrene-butadiene dispersions.

Specifications Of Dow DOWSIL FS EPL Defoamer

Chemical TypeSilicone oil-in-water emulsion
Product FormWhite to off-white opaque liquid
AppearanceHomogeneous, pourable emulsion
pH (1% aqueous dispersion)6.0–7.5
Specific Gravity (25°C)1.00–1.04 g/cm³
Viscosity (25°C, Brookfield LVT, Spindle #3, 20 rpm)500–1,500 cP
Primary ApplicationsWater-based coatings, agrochemicals, textiles, industrial cleaners
Key FeaturesRapid defoaming, persistent antifoam performance, low volatility, non-silicone residue


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