Name: VOK VOK-842 Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of VOK VOK-842 Defoamer

Highly effective silicone-based defoaming agent for rapid foam collapse in aggressive aqueous systems.
Excellent compatibility with anionic, nonionic, and cationic surfactants without destabilizing formulations.
Thermally stable up to 120 °C, maintaining performance across wide processing temperature ranges.
Low dosage efficiency—effective at 0.05–0.3 wt% depending on system severity.
Non-volatile and non-silicone-oil bleed, ensuring long-term storage stability and no surface defects in final products.

Typical Applications Of VOK VOK-842 Defoamer

Water-based architectural coatings and industrial paints.
Textile wet-end processes including dyeing, scouring, and printing baths.
Agrochemical formulations such as herbicide, insecticide, and fungicide emulsifiable concentrates (EC) and suspension concentrates (SC).
Industrial cleaning agents and metalworking fluid concentrates.
Construction chemical additives including concrete admixtures and tile adhesives.

Chemical Type	Silicone-polyether copolymer dispersion
Product Form	Opaque white liquid
Appearance	Homogeneous milky dispersion
pH (1% aqueous solution)	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, agrochemicals, textiles, industrial cleaners
Key Features	Rapid knock-down, high compatibility, low-foaming addition

Get in Touch with ERICW

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Contact With Us:

E-mail: wangxingqiang@ericwchem.com
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Have a Questions? Call Us:

15921782326
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China