Name: VOK VOK-920 Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of VOK VOK-920 Defoamer

Highly effective silicone-based defoaming agent for rapid foam suppression and long-lasting antifoam performance.
Excellent compatibility with water-based systems, including emulsions, coatings, and aqueous polymer dispersions.
Low dosage requirement — typically effective at 0.05–0.3% w/w in finished formulations.
Thermally stable up to 120°C, maintaining efficacy under elevated processing temperatures.
Non-yellowing and inert in final products, preserving clarity and color stability in sensitive applications.

Typical Applications Of VOK VOK-920 Defoamer

Architectural and industrial waterborne paints and coatings.
Acrylic and styrene-acrylic latex emulsions used in adhesives and sealants.
Aqueous cleaning formulations, including industrial detergents and CIP solutions.
Textile sizing and finishing baths where foam interferes with fabric handling.
Water-based printing inks and pigment dispersion processes.

Chemical Type	Silicone-polyether copolymer dispersion
Product Form	Opaque white liquid
Appearance	Homogeneous milky dispersion
pH (1% aqueous dilution)	6.0–7.5
Density (25°C)	1.01–1.04 g/cm³
Viscosity (25°C)	150–350 mPa·s
Primary Applications	Water-based coatings, emulsions, cleaners, textiles, inks
Key Features	Rapid knock-down, low-foaming, shear-stable, non-silicone-residue

Get in Touch with ERICW

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E-mail: wangxingqiang@ericwchem.com
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15921782326
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China