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

Evonik TEGO Foamex 800 Defoamer

Evonik TEGO Foamex 800 Defoamer is a silicone-based, solvent-free defoaming agent designed for water-based systems. It delivers rapid foam knock-down and long-term foam suppression in coatings, adhesives, and construction chemicals. Highly compatible and easy to incorporate, it ensures excellent storage stability without affecting gloss or film properties.
  • evonik tego foamex 800 defoamer_4076065a
  • evonik tego foamex 800 defoamer_4076065a

Features Of Evonik TEGO Foamex 800 Defoamer

  1. Highly effective silicone-based defoamer with rapid foam knock-down and excellent long-term foam suppression.

  2. Outstanding compatibility in water-based systems, including low-VOC and high-solids formulations.

  3. Thermally stable up to 120 °C, supporting demanding industrial processing conditions.

  4. Low dosage requirement—typically effective at 0.05–0.3 wt% in finished products.

  5. Non-yellowing and non-staining, preserving clarity and color integrity in sensitive coatings and adhesives.

Typical Applications Of Evonik TEGO Foamex 800 Defoamer

  1. Architectural and industrial waterborne paints and coatings.

  2. Water-based adhesives and laminating systems.

  3. Construction chemicals, including cementitious mortars and tile adhesives.

  4. Textile printing pastes and dyeing auxiliaries.

  5. Industrial cleaning formulations and metalworking fluids.

Specifications Of Evonik TEGO Foamex 800 Defoamer

Chemical TypeSilicone-polyether copolymer dispersion
Product FormOpaque white liquid
AppearanceHomogeneous, slightly viscous dispersion
pH (1% aqueous solution)6.0–7.5
Density (20 °C)Approx. 1.02–1.04 g/cm³
Viscosity (25 °C)Approx. 200–500 mPa·s
Primary ApplicationsWater-based coatings, adhesives, construction chemicals, textiles
Key FeaturesRapid defoaming, persistent antifoam action, low dosage efficiency


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