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

Evonik TEGO Airex 902W Defoamer

Evonik TEGO Airex 902W is a water-based, silicone-free defoamer designed for aqueous systems like coatings, adhesives and cleaning formulations. It offers rapid foam suppression, excellent compatibility and low surface tension impact. Ideal for high-shear processes and sensitive applications requiring minimal residue or odor.
  • evonik tego airex 902w defoamer_a52a7836
  • evonik tego airex 902w defoamer_a52a7836

Features Of Evonik TEGO Airex 902W Defoamer

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

  2. Excellent compatibility with acrylic, vinyl acetate, and styrene-butadiene emulsions.

  3. Low dosage requirement with rapid knock-down and lasting foam control.

  4. Non-yellowing and does not impair gloss or film integrity in final coatings.

  5. Stable under high-shear mixing and across a broad pH range (pH 4–12).

Typical Applications Of Evonik TEGO Airex 902W Defoamer

  1. Architectural paints and interior wall coatings.

  2. Industrial maintenance coatings and protective finishes.

  3. Adhesives and construction sealants based on synthetic dispersions.

  4. Textile printing pastes and pigment concentrates.

  5. Water-based wood coatings and varnishes.

Specifications Of Evonik TEGO Airex 902W Defoamer

Chemical TypePolyether-modified mineral oil blend
Product FormOpaque white liquid
AppearanceHomogeneous milky dispersion
Primary ApplicationsWater-based coatings, adhesives, and printing inks
Key FeaturesSilicone-free, low-foaming, easy dispersibility
BenefitsImproved batch consistency, reduced surface defects, no recoat issues
pH Range (1% aqueous dilution)6.5 – 8.5
Storage Stability≥12 months at 5–30 °C in sealed original container


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