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

Evonik TEGO Foamex 822 Defoamer

Evonik TEGO Foamex 822 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. Compatible with anionic, nonionic, and cationic formulations, it ensures excellent stability and minimal surface defects without affecting gloss or viscosity.
  • evonik tego foamex 822 defoamer_003abea1
  • evonik tego foamex 822 defoamer_003abea1

Features Of Evonik TEGO Foamex 822 Defoamer

  1. Highly effective silicone-based defoamer with rapid knock-down and lasting foam suppression.

  2. Excellent 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 final formulation.

  5. Non-yellowing and non-silicone-residue-forming, preserving clarity and surface quality in coatings and adhesives.

Typical Applications Of Evonik TEGO Foamex 822 Defoamer

  1. Architectural and industrial waterborne paints and coatings.

  2. Water-based adhesives and sealants.

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

  4. Textile auxiliaries and dyeing auxiliaries.

  5. Industrial cleaning formulations and metalworking fluids.

Specifications Of Evonik TEGO Foamex 822 Defoamer

Chemical TypeSilicone-polyether copolymer dispersion
Product FormOpaque white liquid
AppearanceViscous, milky dispersion
pH (1% aqueous solution)6.0–7.5
Density (20 °C)1.02–1.06 g/cm³
Dynamic Viscosity (25 °C)1,500–3,000 mPa·s
Primary ApplicationsWater-based coatings, adhesives, construction chemicals, textile auxiliaries
Key FeaturesRapid defoaming, long-term antifoam stability, low-foaming dilution profile


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