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

Evonik TEGO Foamex 845 Defoamer

Evonik TEGO Foamex 845 is a silicone-free, water-based defoamer designed for aqueous systems including coatings, adhesives and cleaning formulations. It offers rapid foam suppression, excellent compatibility and low dosage efficiency while maintaining substrate wetting and gloss. Ideal for high-shear processes and sensitive formulations where silicone contamination must be avoided.
  • evonik tego foamex 845 defoamer_7f62be8b
  • evonik tego foamex 845 defoamer_7f62be8b

Features Of Evonik TEGO Foamex 845 Defoamer

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

  2. Excellent compatibility with a broad range of waterborne coatings and adhesives.

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

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

  5. Non-silicone formulation minimizes risk of surface defects such as craters or dewetting.

Typical Applications Of Evonik TEGO Foamex 845 Defoamer

  1. Waterborne architectural paints and interior/exterior wall coatings.

  2. Industrial maintenance coatings including primers and topcoats.

  3. Water-based adhesives and sealants for construction and packaging.

  4. Textile printing pastes and pigment dispersions.

  5. Water-based inks and functional aqueous formulations.

Specifications Of Evonik TEGO Foamex 845 Defoamer

Chemical TypePolyether-modified polymer blend
Product FormLiquid
AppearanceOpaque white to off-white liquid
pH (1% aqueous solution)6.0 – 8.0
Density (20 °C)Approx. 1.02 – 1.06 g/cm³
Viscosity (25 °C)Approx. 50 – 150 mPa·s
Solubility / CompatibilityReadily dispersible in water; compatible with most anionic, nonionic, and amphoteric surfactants
Storage StabilityAt least 12 months in original sealed container at 5–30 °C


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