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

Dow DB310 Defoamer

Dow DB310 Defoamer is a silicone-based antifoam agent from Dow’s DB series, designed for rapid foam suppression and long-lasting defoaming in demanding industrial processes like coatings, adhesives, and cleaning formulations. It offers excellent compatibility, low dosage efficiency, and stable performance under high shear and temperature conditions.
  • dow db310 defoamer_c14f48c7
  • dow db310 defoamer_c14f48c7

Features Of Dow DB310 Defoamer

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

  2. Excellent compatibility with water-based systems, including high-solids and low-VOC formulations.

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

  4. Thermally stable up to 120°C, maintaining performance under elevated processing temperatures.

  5. Non-yellowing and non-staining, suitable for clear and light-colored coatings and adhesives.

Typical Applications Of Dow DB310 Defoamer

  1. Architectural and industrial waterborne paints and coatings.

  2. Water-based adhesives and sealants.

  3. Construction chemicals, including cementitious grouts and tile adhesives.

  4. Textile auxiliaries such as dyeing and finishing baths.

  5. Industrial cleaning formulations and metalworking fluids.

Specifications Of Dow DB310 Defoamer

Chemical TypeSilicone emulsion (polydimethylsiloxane-based)
Product FormOpaque white liquid emulsion
AppearanceWhite to off-white, slightly viscous liquid
pH (1% aqueous dispersion)6.0–7.5
Specific Gravity (25°C)0.98–1.02 g/cm³
Viscosity (Brookfield LV, 25°C, Spindle #3, 60 rpm)500–1500 cP
Primary ApplicationsWater-based coatings, adhesives, construction chemicals, textile auxiliaries
Key FeaturesRapid foam control, low dosage efficiency, thermal stability, broad compatibility


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