Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

BASF Efka SI2022 Defoamer

BASF Efka SI2022 Defoamer is a silicone-free, water-based defoaming agent from the Efka additive series. Designed for aqueous coatings and construction formulations, it delivers rapid foam suppression and lasting control without compromising gloss or compatibility. Its low-foam, high-efficiency profile ensures easy incorporation and excellent storage stability across diverse pH ranges and temperatures.
  • basf efka si2022 defoamer_8f85da4f
  • basf efka si2022 defoamer_8f85da4f

Features Of BASF Efka SI2022 Defoamer

  1. Highly effective silicone-based defoamer for rapid foam knock-down and long-term foam suppression.

  2. Excellent compatibility with water-based systems, including acrylic, styrene-acrylic, and vinyl acetate copolymer dispersions.

  3. Low dosage efficiency—effective at 0.1–0.5 wt% in final formulation—minimizing impact on gloss and film properties.

  4. Thermally stable up to 120 °C, suitable for high-shear and elevated-temperature processing conditions.

  5. Non-yellowing and VOC-compliant, supporting sustainable formulation requirements per global regulatory frameworks.

Typical Applications Of BASF Efka SI2022 Defoamer

  1. Architectural and industrial waterborne paints and coatings.

  2. Water-based adhesives and sealants.

  3. Construction chemicals, including cementitious and polymer-modified mortars.

  4. Textile printing pastes and pigment concentrates.

  5. Wood coatings and clear varnishes requiring low surface disturbance.

Specifications Of BASF Efka SI2022 Defoamer

Chemical TypeSilicone-polyether copolymer dispersion
Product FormOpaque white liquid
AppearanceHomogeneous, slightly viscous emulsion
pH (1% aqueous solution)6.0–7.5
Density (20 °C)1.01–1.04 g/cm³
Viscosity (25 °C, Brookfield RV, spindle #3, 20 rpm)500–1500 mPa·s
Primary ApplicationsWaterborne coatings, adhesives, construction chemicals, textile auxiliaries
Key FeaturesRapid defoaming, lasting antifoam performance, low dosage, non-silicone residue issues


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