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

Haima DC-165 Defoamer

Haima DC-165 Defoamer is a high-efficiency silicone-based antifoam agent from Haima’s DC series, designed for rapid foam suppression and long-lasting defoaming in demanding industrial processes like coatings, inks, and water treatment. It offers excellent compatibility, low dosage requirement, and stable performance under high temperature and shear conditions.
  • haima dc 165 defoamer_9f4477c7
  • haima dc 165 defoamer_9f4477c7

Features Of Haima DC-165 Defoamer

  1. Highly effective silicone-based defoamer with rapid knock-down and lasting foam suppression.

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

  3. Low dosage requirement—typically effective at 0.05–0.3% w/w in final formulation.

  4. Thermally stable up to 120°C, maintaining performance during high-shear mixing and elevated processing temperatures.

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

Typical Applications Of Haima DC-165 Defoamer

  1. Architectural and industrial waterborne paints and coatings.

  2. Textile printing pastes and pigment dispersions.

  3. Adhesives and sealants, especially PVA and SBR-based systems.

  4. Construction chemicals including cementitious mortars and tile grouts.

  5. Water treatment formulations requiring controlled foaming behavior.

Specifications Of Haima DC-165 Defoamer

Chemical TypeSilicone-polyether copolymer dispersion
Product FormWhite to off-white opaque liquid
AppearanceHomogeneous, slightly viscous emulsion
pH (1% aqueous dilution)6.0–7.5
Density (25°C)0.98–1.02 g/cm³
Viscosity (25°C, Brookfield LVT, Spindle #3, 6 rpm)1,500–3,500 mPa·s
Primary ApplicationsWater-based coatings, adhesives, construction chemicals, textiles
Key FeaturesRapid defoaming, long-term antifoam stability, low odor, easy dispersion


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