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

Dow DOWSIL 100F Defoamer

Dow DOWSIL 100F Defoamer is a silicone-based antifoam agent designed for high-efficiency foam control in water-based industrial processes. Part of Dow’s trusted DOWSIL silicone solutions portfolio, it offers rapid knockdown and lasting suppression across coatings, adhesives, and cleaning formulations. Its low-foaming, non-staining profile ensures compatibility and performance without compromising clarity or stability.
  • dow dowsil 100f defoamer_1acd8b58
  • dow dowsil 100f defoamer_1acd8b58

Features Of Dow DOWSIL 100F Defoamer

  1. High-efficiency silicone-based defoaming agent with rapid knock-down and long-lasting foam suppression.

  2. Excellent compatibility and dispersion stability in water-based systems, including high-shear and high-temperature processes.

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

  4. Non-staining and non-yellowing; maintains clarity and aesthetic integrity of end products.

  5. Compliant with major global regulatory frameworks for industrial use, including REACH and TSCA.

Typical Applications Of Dow DOWSIL 100F Defoamer

  1. Waterborne architectural coatings and decorative paints.

  2. Industrial maintenance coatings and protective primers.

  3. Adhesives and sealants manufacturing, especially acrylic and latex-based systems.

  4. Textile auxiliaries, including dyeing and finishing baths.

  5. Construction chemicals such as cementitious grouts and tile adhesives.

Specifications Of Dow DOWSIL 100F Defoamer

Chemical TypeDimethyl silicone oil emulsion
Product FormOpaque white liquid emulsion
AppearanceWhite to off-white, homogeneous liquid
pH (1% aqueous dilution)6.0–8.0
Specific Gravity (25 °C)0.98–1.02 g/cm³
Viscosity (25 °C, Brookfield LVT, Spindle #3, 6 rpm)100–300 cP
Primary ApplicationsDefoaming in water-based coatings, adhesives, construction chemicals, and textile processing
Key FeaturesRapid foam collapse, low-foam re-entrainment, thermal stability up to 120 °C


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