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

Dow DOWSIL 1314 Defoamer

Dow DOWSIL 1314 Defoamer is a silicone-based antifoam agent from Dow’s DOWSIL™ specialty silicones portfolio. Designed for water-based industrial systems, it rapidly breaks foam and suppresses re-foaming without affecting product clarity or stability. Ideal for coatings, adhesives, and cleaning formulations where low dosage efficiency and compatibility are critical.
  • dow dowsil 1314 defoamer_9ca1d59f
  • dow dowsil 1314 defoamer_9ca1d59f

Features Of Dow DOWSIL 1314 Defoamer

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

  2. Excellent compatibility with water-based systems, including acrylic, vinyl acetate, and styrene-butadiene emulsions.

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

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

  5. Non-yellowing and non-staining, preserving clarity and color integrity in final products.

Typical Applications Of Dow DOWSIL 1314 Defoamer

  1. Architectural coatings and interior/exterior paints.

  2. Adhesives and sealants, especially waterborne acrylic and latex types.

  3. Textile and leather finishing auxiliaries.

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

  5. Industrial cleaning formulations and metalworking fluids.

Specifications Of Dow DOWSIL 1314 Defoamer

Chemical TypeSilicone oil emulsion (polydimethylsiloxane-based)
Product FormOpaque white liquid emulsion
AppearanceWhite to off-white, homogeneous liquid
pH (1% aqueous dispersion)6.0–8.0
Specific Gravity (25°C)0.98–1.02 g/cm³
Viscosity (Brookfield RV, 25°C)50–200 mPa·s
Primary ApplicationsWater-based coatings, adhesives, construction chemicals, textile auxiliaries
Key FeaturesFast foam break, low-foam re-entrainment, broad compatibility, easy dispersion


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