Name: BASF FoamStar SI 2250 Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of BASF FoamStar SI 2250 Defoamer

Highly effective silicone-based defoamer for rapid foam knock-down and long-term foam suppression.
Excellent compatibility with water-based systems, including acrylic, styrene-acrylic, and vinyl acetate copolymer dispersions.
Low dosage requirement—typically effective at 0.1–0.5 wt% in final formulation—minimizing impact on product properties.
Stable under high-shear mixing and elevated temperatures up to 80 °C during processing.
Non-yellowing and non-staining, preserving clarity and color stability in sensitive coatings and adhesives.

Typical Applications Of BASF FoamStar SI 2250 Defoamer

Chemical Type	Silicone oil-in-water emulsion
Product Form	Opaque white liquid
Appearance	Homogeneous, slightly viscous emulsion
pH (1% aqueous solution)	6.0–7.5
Specific Gravity (20 °C)	1.00–1.03 g/cm³
Viscosity (25 °C, Brookfield LVT, Spindle #3, 6 rpm)	500–1500 mPa·s
Primary Applications	Waterborne coatings, adhesives, construction chemicals
Key Features	Rapid defoaming, persistent antifoam action, low odor, easy dispersion

Get in Touch with ERICW

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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