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

Kemira DF-B-999 Defoamer

Kemira DF-B-999 is a high-performance silicone-free defoamer in Kemira’s DF-B series, engineered for rapid foam suppression and long-term antifoam stability in demanding industrial water-based processes including coatings, adhesives, and cleaning formulations. It offers excellent compatibility, low dosage efficiency, and minimal impact on final product properties.
  • kemira df b 999 defoamer_77ef1987
  • kemira df b 999 defoamer_77ef1987

Features Of Kemira DF-B-999 Defoamer

  1. Highly effective silicone-free defoaming agent for demanding aqueous systems.

  2. Excellent compatibility with anionic, nonionic, and cationic formulations.

  3. Rapid knock-down and long-term foam suppression even under high shear and elevated temperatures.

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

  5. Non-hazardous formulation compliant with major global regulatory frameworks (e.g., REACH, TSCA).

Typical Applications Of Kemira DF-B-999 Defoamer

  1. Water-based coatings and architectural paints.

  2. Industrial cleaning formulations including CIP and detergent systems.

  3. Papermaking process aids (e.g., coating, size press, and white water control).

  4. Textile wet-end processing and dyeing auxiliaries.

  5. Agrochemical suspension concentrates (SC) and emulsifiable concentrates (EC).

Specifications Of Kemira DF-B-999 Defoamer

Chemical TypePolyether-modified polysiloxane blend
Product FormOpaque white to off-white liquid
AppearanceHomogeneous, slightly viscous liquid
Primary ApplicationsDefoaming in water-based industrial formulations
Key FeaturesSilicone-free, low-foaming, broad pH stability (pH 4–12)
BenefitsMinimal impact on gloss, adhesion, and substrate wettability
Storage Stability≥12 months at 5–30 °C in original sealed container
Recommended Dosage Range0.05–0.3 wt% based on total formulation


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