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

Evonik TEGO Airex 300 Defoamer

Evonik TEGO Airex 300 Defoamer is a silicone-free, water-based defoaming agent designed for aqueous systems like coatings, adhesives and cleaning formulations. It offers rapid foam suppression, excellent compatibility and low odor. Ideal for high-shear processes and sensitive applications where silicone contamination must be avoided.
  • evonik tego airex 300 defoamer_03392a9d
  • evonik tego airex 300 defoamer_03392a9d

Features Of Evonik TEGO Airex 300 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. Rapid foam breakdown and long-term foam suppression.

  5. Non-hazardous, VOC-free, and compliant with major regulatory frameworks including REACH.

Typical Applications Of Evonik TEGO Airex 300 Defoamer

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

  2. Industrial maintenance coatings and protective finishes.

  3. Adhesives and sealants, especially waterborne acrylic and PVA types.

  4. Construction chemicals such as cementitious mortars and tile adhesives.

  5. Textile auxiliaries including dyeing and finishing baths.

Specifications Of Evonik TEGO Airex 300 Defoamer

Chemical TypeNon-silicone, polyether-modified polymer defoamer
Product FormLiquid
AppearanceOpaque white to off-white emulsion
pH (1% aqueous solution)6.5 – 8.0
Density (20 °C)Approx. 1.02 – 1.06 g/cm³
Viscosity (25 °C)50 – 200 mPa·s (Brookfield LVT, Spindle #1, 6 rpm)
Solubility / MiscibilityReadily dispersible in water; forms stable dilutions
Storage StabilityAt least 12 months in original sealed container at 5–30 °C


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