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

Dow ACP-5500 Defoamer

Dow ACP-5500 Defoamer is a high-performance silicone-based antifoam agent from Dow’s ACP series, engineered for rapid foam suppression and long-lasting control in demanding industrial processes including coatings, adhesives, and chemical manufacturing. It offers excellent compatibility, low dosage efficiency, and stability across wide pH and temperature ranges.
  • dow acp 5500 defoamer_e47a74d3
  • dow acp 5500 defoamer_e47a74d3

Features Of Dow ACP-5500 Defoamer

  1. Highly effective silicone-based defoamer for rapid foam knockdown and sustained 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 polymerization and coating processes.

  4. Thermally stable up to 120°C, maintaining performance during high-temperature reaction and drying stages.

  5. Non-yellowing and low-volatility formulation, supporting clear-coat and high-gloss end-use requirements.

Typical Applications Of Dow ACP-5500 Defoamer

  1. Emulsion polymerization (e.g., SBR, VAE, acrylic latex production).

  2. Architectural and industrial waterborne coatings and paints.

  3. Adhesives and sealants manufacturing, especially pressure-sensitive and construction-grade formulations.

  4. Textile and paper coating applications requiring low surface tension and minimal residue.

  5. Industrial cleaning and metalworking fluid concentrates where foam control is critical during agitation.

Specifications Of Dow ACP-5500 Defoamer

Chemical TypeSilicone-polyether copolymer dispersion
Product FormOpaque white liquid
AppearanceHomogeneous, slightly viscous milky dispersion
pH (1% aqueous dilution)6.0–7.5
Specific Gravity (25°C)1.02–1.06 g/cm³
Viscosity (Brookfield, #2 spindle, 20 rpm, 25°C)500–1,500 cP
Primary ApplicationsWaterborne emulsions, coatings, adhesives, textile auxiliaries
Key FeaturesFast-acting, long-lasting, non-silicone-residue, easy dispersion


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