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

Dow DOWSIL FS 1224 Defoamer

Dow DOWSIL FS 1224 Defoamer is a silicone-based antifoam agent designed for demanding industrial processes including coatings, adhesives, and cleaning formulations. It delivers rapid foam breakage, long-lasting suppression, and excellent compatibility with water- and solvent-borne systems while maintaining low surface tension and minimal residue.
  • dow dowsil fs 1224 defoamer_d8bb01e9
  • dow dowsil fs 1224 defoamer_d8bb01e9

Features Of Dow DOWSIL FS 1224 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—typically effective at 0.05–0.3 wt% active in final formulation.

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

  5. Non-yellowing and non-silicone-residue-forming, supporting clarity and surface quality in sensitive coatings and adhesives.

Typical Applications Of Dow DOWSIL FS 1224 Defoamer

  1. Architectural and industrial waterborne paints and coatings.

  2. Adhesives and sealants, especially pressure-sensitive and latex-based formulations.

  3. Textile and leather finishing auxiliaries.

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

  5. Water-based ink systems for flexographic and gravure printing.

Specifications Of Dow DOWSIL FS 1224 Defoamer

Chemical TypeSilicone oil-in-water emulsion
Product FormWhite to off-white opaque liquid
AppearanceStable, pourable emulsion
pH (1% aqueous dispersion)6.0–8.0
Specific Gravity (25 °C)1.00–1.04 g/cm³
Viscosity (Brookfield LV, 25 °C, spindle #3, 20 rpm)150–500 mPa·s
Active Content20–24 wt%
Primary ApplicationsWaterborne coatings, adhesives, construction chemicals, textiles


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