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

BASF Efka PB2020 Defoamer

BASF Efka PB2020 Defoamer is a silicone-free, liquid polyether-based defoamer designed for water-based coatings and construction applications. It offers rapid foam suppression, excellent compatibility, and long-term stability without affecting gloss or film formation. Ideal for architectural paints, renders, and cementitious systems where low surface tension and residue-free performance are critical.
  • basf efka pb2020 defoamer_39a520c2
  • basf efka pb2020 defoamer_39a520c2

Features Of BASF Efka PB2020 Defoamer

  1. Highly effective silicone-free defoaming agent for water-based systems.

  2. Excellent compatibility with a broad range of acrylic, styrene-acrylic, and vinyl acetate copolymer dispersions.

  3. Low dosage requirement ensures cost-efficiency without compromising performance.

  4. Provides rapid foam knock-down and sustained foam suppression during processing and storage.

  5. Non-yellowing and does not affect gloss or film integrity in final coatings.

Typical Applications Of BASF Efka PB2020 Defoamer

  1. Architectural paints and interior wall coatings.

  2. Industrial maintenance coatings and protective finishes.

  3. Adhesives and construction sealants (water-based formulations).

  4. Printing inks, especially flexographic and gravure inks.

  5. Textile printing pastes and pigment preparations.

Specifications Of BASF Efka PB2020 Defoamer

Chemical TypePolyether-modified polymer dispersion
Product FormOpaque white liquid
AppearanceHomogeneous, slightly viscous liquid
pH (1% aqueous solution)6.5 – 7.5
Density (20 °C)Approx. 1.02 – 1.04 g/cm³
Viscosity (25 °C, Brookfield RV, spindle #3, 20 rpm)150 – 350 mPa·s
Solubility / MiscibilityReadily dispersible in water; compatible with most common surfactants and polymers
Primary ApplicationsWater-based architectural and industrial coatings, adhesives, inks


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