Name: Dow APW-4248 Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Dow APW-4248 Defoamer

Highly effective silicone-based defoamer for rapid foam knockdown in aqueous systems.
Excellent compatibility with anionic, nonionic, and cationic surfactants commonly used in industrial formulations.
Low dosage efficiency—effective at concentrations as low as 0.05–0.3% w/w in most applications.
Thermally stable up to 120°C, maintaining performance under elevated process temperatures.
Non-yellowing and low-volatility formulation suitable for sensitive coating and adhesive applications.

Typical Applications Of Dow APW-4248 Defoamer

Architectural and industrial waterborne paints and coatings.
Adhesives and sealants manufacturing, especially acrylic and PVA-based systems.
Textile printing pastes and pigment dispersions.
Construction chemicals including cementitious grouts and tile adhesives.
Agrochemical formulations such as suspension concentrates (SC) and emulsifiable concentrates (EC).

Chemical Type	Silicone-polyether copolymer dispersion
Product Form	White to off-white opaque liquid
Appearance	Homogeneous, slightly viscous liquid
Primary Applications	Waterborne coatings, adhesives, construction chemicals, agrochemicals
Key Features	Rapid foam suppression, broad compatibility, low-foaming during storage
Benefits	Improved process efficiency, enhanced product clarity, reduced surface defects
pH (1% aqueous dilution)	6.0–7.5
Specific Gravity (25°C)	1.02–1.05 g/cm³

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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China