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

VOK VOK-8030 Defoamer

VOK VOK-8030 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 compatibility, and long-term stability under high shear and elevated temperatures. The formulation ensures low dosage efficiency and minimal impact on final product properties.
  • vok vok 8030 defoamer_43eacb28
  • vok vok 8030 defoamer_43eacb28

Features Of VOK VOK-8030 Defoamer

  1. High-efficiency silicone-based defoaming agent with rapid knock-down and lasting foam suppression.

  2. Excellent compatibility with water-based systems including acrylics, polyvinyl acetate (PVAc), and styrene-butadiene emulsions.

  3. Low dosage requirement — effective at 0.05–0.3 wt% in most formulations.

  4. Thermally stable up to 120°C and pH-stable across broad range (pH 4–12).

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

Typical Applications Of VOK VOK-8030 Defoamer

  1. Architectural and industrial waterborne paints and coatings.

  2. Water-based adhesives and sealants.

  3. Textile printing pastes and pigment dispersions.

  4. Construction chemicals including tile grouts and cementitious renders.

  5. Wood coatings and paper coating formulations.

Specifications Of VOK VOK-8030 Defoamer

Chemical TypeSilicone-polyether copolymer dispersion
Product FormWhite to off-white opaque liquid
AppearanceHomogeneous, slightly viscous liquid
Primary ApplicationsWater-based coatings, adhesives, construction chemicals
Key FeaturesRapid foam breakdown, low-foam re-entrainment, high shear stability
BenefitsImproved process efficiency, enhanced product appearance, reduced defects in film formation
pH (1% aqueous dilution)6.5–8.5
Storage Stability≥12 months at 5–30°C in unopened container


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