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

Kemira DF-A-8630 Defoamer

Kemira DF-A-8630 Defoamer is a high-performance silicone-free, water-dispersible antifoam agent from Kemira’s DF-A defoamer series. Designed for demanding industrial applications—especially in pulp & paper, wastewater treatment, and chemical processing—it delivers rapid foam knockdown and lasting suppression under high shear and elevated temperatures.
  • kemira df a 8630 defoamer_4e328bd2
  • kemira df a 8630 defoamer_4e328bd2

Features Of Kemira DF-A-8630 Defoamer

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

  2. Excellent compatibility with aqueous systems, including high-solids and high-pH formulations.

  3. Low dosage requirement ensures cost efficiency without compromising performance.

  4. Thermally stable up to 120 °C, suitable for demanding process conditions.

  5. Non-staining and non-yellowing—ideal for applications requiring optical clarity or color fidelity.

Typical Applications Of Kemira DF-A-8630 Defoamer

  1. Paper and board manufacturing (e.g., coating, sizing, and whitewater systems).

  2. Water-based paints and architectural coatings.

  3. Industrial cleaning formulations and metalworking fluids.

  4. Adhesives, sealants, and construction chemicals.

  5. Textile wet-end processing and dyeing auxiliaries.

Specifications Of Kemira DF-A-8630 Defoamer

Chemical TypeSilicone emulsion
Product FormOpaque white liquid
AppearanceUniform milky emulsion, free of sediment
pH (1% aqueous dilution)6.0–7.5
Specific Gravity (20 °C)0.98–1.02 g/cm³
Viscosity (25 °C)150–300 mPa·s
Active Content25–28 wt%
Storage Stability12 months in original unopened container at 5–30 °C


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