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

Kemira DF-A-962 Defoamer

Kemira DF-A-962 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 water systems, including pulp & paper, wastewater treatment, and chemical processing applications.
  • kemira df a 962 defoamer_990791cf
  • kemira df a 962 defoamer_990791cf

Features Of Kemira DF-A-962 Defoamer

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

  2. Excellent compatibility with aqueous systems, including those containing surfactants, polymers, and electrolytes.

  3. Low dosage requirement ensures cost-efficiency without compromising performance or product clarity.

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

  5. Non-hazardous formulation compliant with major industrial safety and handling standards (e.g., GHS Category 4 for skin irritation).

Typical Applications Of Kemira DF-A-962 Defoamer

  1. Paper and board manufacturing — particularly in coating, size press, and white water systems.

  2. Water-based paints and architectural coatings — during production, filling, and application stages.

  3. Industrial cleaning formulations — including CIP solutions and heavy-duty detergents.

  4. Textile wet processing — such as dyeing, scouring, and finishing baths.

  5. Adhesives and sealants manufacturing — where foam interferes with mixing, degassing, or packaging.

Specifications Of Kemira DF-A-962 Defoamer

Chemical TypeSilicone emulsion (polydimethylsiloxane-based)
Product FormWhite to off-white opaque liquid
AppearanceHomogeneous, pourable emulsion
pH (1% aqueous dispersion)6.0 – 8.0
Density (20 °C)0.98 – 1.02 g/cm³
Viscosity (25 °C, Brookfield LVT, Spindle #3, 6 rpm)500 – 1,500 mPa·s
Primary ApplicationsDefoaming in aqueous industrial processes
Storage Stability12 months in unopened original container at 5–30 °C


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