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

Clariant D-foam-R C331 Defoamer

Clariant D-foam-R C331 Defoamer is a high-performance silicone-free defoamer designed for water-based industrial processes. It delivers rapid foam suppression and long-lasting antifoam action in coatings, adhesives, and cleaning formulations. Compatible with anionic, nonionic, and cationic systems, it ensures excellent stability and easy dispersion without affecting product clarity or performance.
  • clariant d foam r c331 defoamer_fdd3ca1b
  • clariant d foam r c331 defoamer_fdd3ca1b

Features Of Clariant D-foam-R C331 Defoamer

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

  2. Excellent compatibility with anionic, nonionic, and amphoteric surfactants.

  3. Low dosage efficiency — achieves rapid foam break and long-term foam suppression.

  4. Stable performance across a broad pH range (pH 4–12) and elevated temperatures.

  5. Readily dispersible in water without pre-dilution or high-shear mixing.

Typical Applications Of Clariant D-foam-R C331 Defoamer

  1. Industrial and institutional (I&I) cleaning formulations.

  2. Textile wet-end processing, including scouring and dyeing auxiliaries.

  3. Agrochemical tank-mix adjuvants and spray solutions.

  4. Water-based coatings and architectural paints.

  5. Oilfield production chemicals and wastewater treatment systems.

Specifications Of Clariant D-foam-R C331 Defoamer

Chemical TypePolyether-modified copolymer (non-silicone)
Product FormLiquid
AppearanceClear to slightly opalescent, low-viscosity liquid
pH (1% aqueous solution)6.0 – 8.0
Density (20 °C)1.01 – 1.04 g/cm³
Solubility / DispersibilityWater-dispersible; forms stable dispersion without phase separation
Freeze-Thaw StabilityWithstands ≥3 cycles (−5 °C to 25 °C) without loss of performance
Recommended Storage Temperature5 °C – 35 °C


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