Name: Dow DOWSIL SM 5512 Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Dow DOWSIL SM 5512 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, preserving clarity and color integrity in sensitive coatings and adhesives.

Typical Applications Of Dow DOWSIL SM 5512 Defoamer

Architectural and industrial waterborne coatings (e.g., interior/exterior paints, primers).
Adhesives and sealants, particularly latex-based and pressure-sensitive formulations.
Construction chemicals, including cementitious mortars, tile adhesives, and self-leveling underlayments.
Textile auxiliaries such as dyeing and finishing baths where foam interferes with uniform treatment.
Water-based inks and overprint varnishes used in flexible packaging and label printing.

Chemical Type	Silicone oil-in-water emulsion
Product Form	Opaque white liquid
Appearance	Uniform milky dispersion, free of visible particles or separation
pH (1% aqueous dilution)	6.0–8.0
Specific Gravity (25 °C)	1.00–1.04 g/cm³
Viscosity (Brookfield RV, 25 °C, spindle #3, 20 rpm)	500–1,500 mPa·s
Active Content	25–28 wt%
Freeze-Thaw Stability	Stable after three cycles (–5 °C for 16 h / 25 °C for 8 h)

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