Highly effective silicone-based defoamer for rapid foam knock-down and long-term foam suppression.
Excellent compatibility with water-based systems, including acrylics, vinyl acetate copolymers, and styrene-butadiene emulsions.
Low dosage requirement — typically effective at 0.05–0.3 wt% on total formulation.
Thermally stable up to 120°C, maintaining performance during high-temperature polymerization and processing.
Non-yellowing and non-silicone-residue-forming, ensuring clarity and surface integrity in final coatings and adhesives.
Architectural and industrial waterborne paints and coatings.
Emulsion polymerization processes for synthetic rubbers and latexes.
Adhesives and sealants formulations, especially pressure-sensitive and construction-grade types.
Textile sizing and finishing baths where persistent foam interferes with application uniformity.
Construction chemicals, including cementitious grouts and tile adhesives.
| Chemical Type | Silicone-polyether copolymer dispersion |
| Product Form | Opaque white liquid |
| Appearance | Homogeneous, slightly viscous suspension |
| pH (1% aqueous dilution) | 6.5–7.5 |
| Density (20°C) | 1.01–1.04 g/cm³ |
| Viscosity (25°C, Brookfield LVT, spindle #3, 60 rpm) | 1,200–2,500 mPa·s |
| Primary Applications | Waterborne coatings, emulsion polymerization, adhesives, construction chemicals |
| Key Features | Rapid defoaming, low-foam re-entrainment, broad compatibility, thermal stability |
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E-mail: wangxingqiang@ericwchem.com
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