Name: Dow DOWSIL FS 013A Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Dow DOWSIL FS 013A Defoamer

Highly effective silicone-based defoamer for rapid foam knockdown and long-term foam suppression.
Excellent compatibility with water-based systems, including acrylic, vinyl acetate, and styrene-butadiene emulsions.
Low dosage requirement—typically effective at 0.05–0.3 wt% active in final formulation.
Thermally stable up to 120 °C, maintaining performance during high-shear mixing and elevated processing temperatures.
Non-yellowing and non-staining, supporting clarity and color fidelity in sensitive coatings and adhesives.

Typical Applications Of Dow DOWSIL FS 013A Defoamer

Architectural and industrial waterborne paints and coatings.
Adhesives and sealants, particularly latex and polymer dispersion-based formulations.
Construction chemicals, including cementitious mortars and tile adhesives.
Textile auxiliaries such as dye baths and finishing agents.
Water treatment systems requiring controlled foam management in process streams.

Chemical Type	Silicone emulsion (polydimethylsiloxane-based)
Product Form	White to off-white opaque liquid emulsion
Appearance	Uniform, slightly viscous, pourable liquid
pH (1% aqueous dilution)	6.0–8.0
Active Content	20–22 wt%
Viscosity (25 °C, Brookfield LV, Spindle #3, 6 rpm)	1,500–3,500 mPa·s
Freeze-Thaw Stability	Stable after one cycle (–10 °C for 24 h, then thawed at 25 °C)
Primary Applications	Waterborne coatings, adhesives, construction chemicals, textile processing

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