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

BASF Efka PB2720 Defoamer

BASF Efka PB2720 Defoamer is a highly effective, silicone-free, water-based defoaming agent designed for aqueous industrial coatings and printing inks. It delivers rapid foam suppression and long-term antifoam performance with excellent compatibility and low odor. Ideal for high-shear processes and sensitive formulations where clarity and stability are critical.
  • basf efka pb2720 defoamer_8ef736e5
  • basf efka pb2720 defoamer_8ef736e5

Features Of BASF Efka PB2720 Defoamer

  1. Highly effective silicone-free defoamer for water-based systems.

  2. Excellent compatibility with 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 strong long-term foam suppression.

  5. Non-yellowing and stable under ambient storage conditions.

Typical Applications Of BASF Efka PB2720 Defoamer

  1. Architectural coatings (e.g., interior/exterior paints and primers).

  2. Industrial maintenance coatings and protective finishes.

  3. Adhesives and sealants based on aqueous polymer dispersions.

  4. Construction chemicals including cementitious and gypsum-based formulations.

  5. Textile printing pastes and pigment dispersion systems.

Specifications Of BASF Efka PB2720 Defoamer

Chemical TypePolyether-modified polysiloxane blend
Product FormLiquid emulsion
AppearanceOpaque white to off-white liquid
pH (1% aqueous solution)6.5 – 8.0
Specific Gravity (20 °C)1.02 – 1.06 g/cm³
Viscosity (25 °C, Brookfield RV, spindle #3, 20 rpm)150 – 400 mPa·s
Primary ApplicationsWater-based architectural and industrial coatings, adhesives, construction chemicals
Key FeaturesSilicone-free, low-foaming, easy incorporation, good shear stability


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