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

VOK VOK-2020F Defoamer

VOK VOK-2020F Defoamer is a high-performance silicone-based antifoam agent designed for demanding industrial applications including coatings, inks, and chemical processing. It delivers rapid foam suppression, excellent stability, and low dosage efficiency while maintaining compatibility with water- and solvent-based systems. Trusted for consistent performance and regulatory compliance.
  • vok vok 2020f defoamer_061015db
  • vok vok 2020f defoamer_061015db

Features Of VOK VOK-2020F Defoamer

  1. Highly effective silicone-based defoaming agent with rapid knock-down and lasting foam suppression.

  2. Excellent compatibility with water-based systems, including anionic, nonionic, and cationic formulations.

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

  4. Low dosage efficiency—effective at 0.05–0.3% w/w in most industrial applications.

  5. Non-volatile and halogen-free, supporting EHS-compliant manufacturing environments.

Typical Applications Of VOK VOK-2020F Defoamer

  1. Water-based paints and architectural coatings.

  2. Industrial cleaning formulations and metalworking fluids.

  3. Textile dyeing and finishing auxiliaries.

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

  5. Printing inks, especially flexographic and gravure systems.

Specifications Of VOK VOK-2020F Defoamer

Chemical TypeSilicone-polyether copolymer dispersion
Product FormOpaque white liquid
AppearanceHomogeneous milky dispersion
pH (1% aqueous dilution)6.0–7.5
Specific Gravity (25°C)1.01–1.04 g/cm³
Viscosity (25°C, mPa·s)150–350
Active Content20 ± 1 wt%
Storage Stability≥12 months at 5–30°C in unopened container


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