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

Evonik TEGO Airex 920 Defoamer

Evonik TEGO Airex 920 Defoamer is a silicone-free, water-based defoaming agent designed for aqueous systems like coatings, inks, and adhesives. It delivers rapid foam suppression and long-term antifoam performance with excellent compatibility and low odor. Ideal for high-shear processes and sensitive formulations requiring minimal surface defects.
  • evonik tego airex 920 defoamer_0d31e9a3
  • evonik tego airex 920 defoamer_0d31e9a3

Features Of Evonik TEGO Airex 920 Defoamer

  1. Highly effective silicone-free defoamer for aqueous systems.

  2. Excellent compatibility with a broad range of water-based formulations.

  3. Low dosage requirement ensures cost-efficient performance.

  4. Stable under shear and thermal stress during processing.

  5. Non-hazardous, VOC-free, and compliant with major industrial safety standards.

Typical Applications Of Evonik TEGO Airex 920 Defoamer

  1. Water-based architectural coatings and paints.

  2. Industrial maintenance coatings and primers.

  3. Adhesives and sealants (waterborne types).

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

  5. Textile auxiliaries and dyeing preparations.

Specifications Of Evonik TEGO Airex 920 Defoamer

Chemical TypeNon-silicone polyether-based defoamer
Product FormOpaque liquid
AppearanceWhite to off-white emulsion
pH (1% aqueous dispersion)6.5 – 8.0
Density (20 °C)Approx. 1.02 – 1.05 g/cm³
Viscosity (25 °C)100 – 300 mPa·s (Brookfield RV, spindle #3, 20 rpm)
Primary ApplicationsDefoaming in water-based coatings, adhesives, construction chemicals
Key FeaturesSilicone-free, low-foaming, easy dispersion, storage-stable


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