Name: Wacker SD670 Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Wacker SD670 Defoamer

Highly effective silicone-based defoamer for rapid foam knock-down 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% relative to total formulation.
Thermally stable up to 120 °C, maintaining performance during high-temperature polymerization and processing.
Non-silicone residue-free in final film formation, supporting clarity and adhesion in coating applications.

Typical Applications Of Wacker SD670 Defoamer

Acrylic and styrene-acrylic emulsion polymerization reactors.
Architectural and industrial waterborne paints and coatings.
Textile sizing and finishing formulations.
Adhesives and sealants based on synthetic dispersions.
Construction chemicals such as cementitious tile adhesives and self-leveling compounds.

Chemical Type	Silicone-polyether copolymer dispersion
Product Form	Opaque white liquid
Appearance	Homogeneous milky dispersion
pH (1% aqueous solution)	6.0–7.5
Density (20 °C)	1.01–1.04 g/cm³
Viscosity (25 °C)	150–350 mPa·s
Active Content	30 ± 2 wt%
Primary Applications	Emulsion polymerization, waterborne coatings, construction chemicals

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