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

Kemira DF-A-8655 Defoamer

Kemira DF-A-8655 is a high-performance silicone-based defoamer from Kemira’s DF-A series, engineered for rapid foam suppression and long-term antifoam stability in demanding industrial processes including pulp & paper, wastewater treatment, and chemical manufacturing. It offers excellent compatibility, low dosage efficiency, and resistance to shear and temperature fluctuations.
  • kemira df a 8655 defoamer_fcda1da5
  • kemira df a 8655 defoamer_fcda1da5

Features Of Kemira DF-A-8655 Defoamer

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

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

  3. Low dosage requirement—effective at 0.01–0.10% w/w in most industrial processes.

  4. Thermally stable up to 120°C, maintaining performance under elevated process temperatures.

  5. Non-hazardous formulation compliant with REACH and GHS classification (not classified as hazardous).

Typical Applications Of Kemira DF-A-8655 Defoamer

  1. Paper and board machine chest systems and white water circuits.

  2. Water-based coatings, architectural paints, and industrial primers.

  3. Textile wet-end processing, including dyeing and finishing baths.

  4. Industrial cleaning formulations and metalworking fluid concentrates.

  5. Wastewater treatment plants during biological and clarification stages.

Specifications Of Kemira DF-A-8655 Defoamer

Chemical TypeSilicone-polyether copolymer dispersion
Product FormOpaque white liquid
AppearanceHomogeneous milky dispersion
pH (1% aqueous dilution)6.0–7.5
Density (20°C)1.01–1.03 g/cm³
Viscosity (25°C)150–350 mPa·s
Active Content25–28% w/w
Storage Stability12 months unopened at 5–30°C


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