Name: Dow AF-7500 Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Dow AF-7500 Defoamer

Highly effective silicone-based defoamer for rapid foam knockdown and sustained 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-temperature polymerization and processing.
Non-yellowing and non-staining, preserving clarity and color integrity in sensitive coatings and adhesives.

Typical Applications Of Dow AF-7500 Defoamer

Acrylic and styrene-acrylic emulsion polymers for architectural and industrial coatings.
Adhesives and sealants, especially pressure-sensitive and waterborne formulations.
Textile and leather finishing auxiliaries where foam control is critical during padding and coating.
Construction chemicals, including cementitious tile adhesives and grouts.
Water-based inks and overprint varnishes requiring low surface tension and clean film formation.

Chemical Type	Silicone-polyether copolymer dispersion
Product Form	Opaque white liquid
Appearance	Homogeneous milky dispersion
pH (1% aqueous dilution)	6.0–7.5
Specific Gravity (25 °C)	1.02–1.06 g/cm³
Viscosity (Brookfield RV, 25 °C)	500–1,500 cP
Active Content	30 ± 2 wt%
Primary Applications	Waterborne coatings, adhesives, construction chemicals, textiles

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E-mail: wangxingqiang@ericwchem.com
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