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

Dow 2-3150 Defoamer

Dow 2-3150 Defoamer is a silicone-based antifoam agent from Dow’s ELASTOSIL® Defoamer series, engineered for rapid foam suppression and long-term stability in water-based industrial processes including coatings, adhesives, and cleaning formulations. It offers excellent compatibility, low dosage efficiency, and minimal impact on final product properties.
  • dow 2 3150 defoamer_689263c5
  • dow 2 3150 defoamer_689263c5

Features Of Dow 2-3150 Defoamer

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

  2. Excellent compatibility with water-based systems, including latex, acrylics, and aqueous coatings.

  3. Low dosage requirement—typically effective at 0.05–0.3 wt% in finished formulations.

  4. Thermally stable up to 120°C, maintaining performance during high-temperature processing.

  5. Non-yellowing and non-staining, suitable for clear and light-colored end products.

Typical Applications Of Dow 2-3150 Defoamer

  1. Architectural and industrial waterborne paints and coatings.

  2. Adhesives and sealants, especially acrylic and styrene-butadiene emulsions.

  3. Textile printing pastes and pigment dispersions.

  4. Construction chemicals, including cementitious mortars and tile adhesives.

  5. Agrochemical formulations such as suspension concentrates (SC) and emulsifiable concentrates (EC).

Specifications Of Dow 2-3150 Defoamer

Chemical TypeSilicone oil-in-water emulsion
Product FormOpaque white liquid
AppearanceUniform milky dispersion, free of visible particles or separation
pH (1% aqueous dilution)6.0–7.5
Specific Gravity (25°C)1.00–1.04 g/cm³
Viscosity (Brookfield, RV, #3 spindle, 20 rpm, 25°C)1,500–3,500 cP
Primary ApplicationsWaterborne coatings, adhesives, construction chemicals, agrochemicals
Key FeaturesRapid defoaming, persistent antifoam action, low odor, easy dispersion


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