Name: Dow DOWSIL DC65 Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Dow DOWSIL DC65 Defoamer

Highly effective silicone-based defoamer for rapid foam knockdown and long-term foam suppression.
Excellent compatibility with water-based systems, including acrylics, vinyl acetate copolymers, and styrene-butadiene emulsions.
Low dosage requirement—typically effective at 0.05–0.3 wt% active in final formulations.
Stable under high-shear mixing and elevated temperatures up to 90°C during processing.
Non-yellowing and does not adversely affect film clarity or gloss in finished coatings.

Typical Applications Of Dow DOWSIL DC65 Defoamer

Architectural and industrial waterborne paints and coatings.
Adhesives and sealants, especially latex-based pressure-sensitive and construction adhesives.
Printing inks, including flexographic and gravure inks for paper and flexible packaging.
Textile auxiliaries such as dyeing and finishing baths.
Construction chemicals including cementitious tile adhesives and self-leveling underlayments.

Chemical Type	Silicone oil emulsion (polydimethylsiloxane-based)
Product Form	White to off-white opaque liquid
Appearance	Homogeneous, pourable emulsion
pH (1% aqueous dispersion)	6.0–8.0
Specific Gravity (25°C)	0.98–1.02 g/cm³
Viscosity (Brookfield, #2 spindle, 20 rpm, 25°C)	100–400 cP
Active Content	20–22 wt%
Freeze-Thaw Stability	Stable after one cycle (−10°C for 24 h, then thawed at 25°C)

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