Name: Dow DOWSIL 7305 Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Dow DOWSIL 7305 Defoamer

Highly effective silicone-based defoamer for rapid foam knockdown and long-term foam suppression.
Excellent compatibility with water-based systems, including acrylic, styrene-acrylic, and vinyl acetate emulsions.
Low dosage requirement—typically effective at 0.05–0.3 wt% active in final formulations.
Thermally stable up to 120 °C, supporting high-temperature processing conditions.
Non-yellowing and non-staining, preserving clarity and color integrity in sensitive coatings and adhesives.

Typical Applications Of Dow DOWSIL 7305 Defoamer

Architectural and industrial waterborne paints and coatings.
Adhesives and sealants, especially latex-based and pressure-sensitive formulations.
Construction chemicals, including cementitious mortars and tile adhesives.
Textile printing pastes and pigment dispersions.
Water treatment additives and industrial cleaning concentrates.

Chemical Type	Silicone oil emulsion (polydimethylsiloxane-based)
Product Form	White to off-white liquid emulsion
Appearance	Opaque, milky liquid with slight opalescence
Primary Applications	Waterborne coatings, adhesives, construction chemicals, textile auxiliaries
Key Features	Rapid defoaming, persistent antifoam activity, low surface tension
Benefits	Improved process efficiency, enhanced film appearance, reduced pinholing and craters
pH Range (as supplied)	6.0–8.0
Storage Stability	Stable for ≥12 months at 5–30 °C when unopened

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