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

Changhwa CFC DepolCFC-138 Defoamer

Changhwa CFC DepolCFC-138 Defoamer is a high-performance silicone-based antifoam agent from Changhwa’s CFC Depol series, specifically engineered for rapid foam suppression and long-lasting defoaming in aggressive chemical processes including coatings, adhesives, and industrial cleaning formulations.
  • changhwa cfc depolcfc 138 defoamer_04f205a5
  • changhwa cfc depolcfc 138 defoamer_04f205a5

Features Of Changhwa CFC DepolCFC-138 Defoamer

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

  2. Excellent compatibility with water-based systems including acrylic, vinyl acetate, and styrene-butadiene emulsions.

  3. Low dosage requirement — typically effective at 0.05–0.3 wt% in formulation.

  4. Thermally stable up to 120°C, maintaining performance during high-temperature polymerization and processing.

  5. Non-yellowing and non-silicone-residue-forming, ensuring clarity and surface integrity in final coatings and adhesives.

Typical Applications Of Changhwa CFC DepolCFC-138 Defoamer

  1. Waterborne architectural and industrial coatings (e.g., interior/exterior paints, primers).

  2. Latex-based adhesives and sealants manufacturing.

  3. Textile printing pastes and pigment dispersion systems.

  4. Construction chemicals including tile adhesives, grouts, and cementitious waterproofing slurries.

  5. Water-based inks and flexographic printing formulations.

Specifications Of Changhwa CFC DepolCFC-138 Defoamer

Chemical TypeSilicone-polyether copolymer emulsion
Product FormOpaque white liquid
AppearanceHomogeneous milky emulsion
pH (1% aqueous solution)6.0–7.5
Specific Gravity (25°C)0.98–1.02 g/cm³
Viscosity (Brookfield LV, 25°C)150–400 mPa·s
Active Content25 ± 2 wt%
Storage Stability≥12 months in unopened original container at 5–35°C


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