Name: Dow DOWSIL AFE-7820 Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Dow DOWSIL AFE-7820 Defoamer

High-efficiency silicone-based defoaming agent designed 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—effective at 0.05–0.3 wt% in most formulations—minimizing impact on final product properties.
Thermally stable up to 120 °C, supporting high-temperature processing conditions without degradation.
Non-yellowing and non-staining, preserving clarity and color integrity in sensitive coatings and adhesives.

Typical Applications Of Dow DOWSIL AFE-7820 Defoamer

Architectural and industrial waterborne paints and coatings.
Adhesives and sealants, particularly pressure-sensitive and construction-grade formulations.
Textile and leather finishing auxiliaries, including dye baths and softeners.
Construction chemicals such as cementitious tile adhesives and self-leveling underlayments.
Water-based inks and overprint varnishes in packaging and graphic arts applications.

Chemical Type	Silicone polymer dispersion in hydrocarbon carrier
Product Form	Opaque white liquid
Appearance	Homogeneous, slightly viscous emulsion
pH (1% aqueous dilution)	6.0–7.5
Specific Gravity (25 °C)	0.92–0.96 g/cm³
Viscosity (Brookfield LV, 25 °C, spindle #3, 6 rpm)	500–1,500 cP
Primary Applications	Waterborne coatings, adhesives, construction chemicals, textile auxiliaries
Key Features	Rapid foam break, persistent antifoam performance, low-foaming diluent compatibility

Get in Touch with ERICW

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Contact With Us:

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