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

Generic HY-1040A Defoamer

Generic HY-1040A Defoamer is a high-efficiency silicone-based antifoam agent from the HY-1000 series, engineered for rapid foam suppression and lasting defoaming in demanding chemical processing, water treatment, and coating applications. It offers excellent compatibility, low dosage requirements, thermal stability, and minimal impact on final product clarity or performance.
  • generic hy 1040a defoamer_5ef6435a
  • generic hy 1040a defoamer_5ef6435a

Features Of Generic HY-1040A Defoamer

  1. High-efficiency silicone-based defoaming action 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—effective at 0.05–0.3% w/w in most formulations.

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

  5. Non-yellowing and non-silicone-residue-forming, ensuring clarity and substrate adhesion in final coatings.

Typical Applications Of Generic HY-1040A 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 tile adhesives and self-leveling compounds.

  5. Water-based inks for flexographic and gravure printing.

Specifications Of Generic HY-1040A Defoamer

Chemical TypeSilicone-polyether copolymer dispersion
Product FormOpaque white liquid
AppearanceHomogeneous milky dispersion
pH (1% aqueous solution)6.5–7.5
Specific Gravity (25°C)1.02–1.06 g/cm³
Viscosity (25°C, mPa·s)150–350
Storage Stability≥12 months in unopened original container at 5–35°C
Primary ApplicationsWaterborne coatings, adhesives, construction chemicals, textile auxiliaries


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