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

Evonik TEGO Airex Twin4100 Defoamer

Evonik TEGO Airex Twin4100 is a high-performance silicone-based defoamer designed for water-based industrial coatings and adhesives. It delivers rapid foam suppression and long-term antifoam stability without affecting gloss or substrate wetting. Compatible with acrylics, polyurethanes, and latex systems, it ensures excellent compatibility and low dosage efficiency. Ideal for roller, spray, and curtain coating processes where persistent foam control is critical.
  • evonik tego airex twin4100 defoamer_e89350c2
  • evonik tego airex twin4100 defoamer_e89350c2

Features Of Evonik TEGO Airex Twin4100 Defoamer

  1. Highly effective silicone-free defoaming agent for water-based systems.

  2. Excellent compatibility with a broad range of coatings, adhesives, and construction chemicals.

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

  4. Provides rapid foam breakdown and strong foam suppression during processing and storage.

  5. Non-silicone formulation avoids surface defects such as craters, pinholes, or gloss reduction.

Typical Applications Of Evonik TEGO Airex Twin4100 Defoamer

  1. Architectural and industrial waterborne paints and varnishes.

  2. Water-based adhesives and sealants.

  3. Cementitious and polymer-modified mortars.

  4. Textile and paper coating formulations.

  5. Industrial cleaning and metalworking fluids.

Specifications Of Evonik TEGO Airex Twin4100 Defoamer

Chemical TypeNon-silicone polyether-based defoamer
Product FormOpaque liquid
AppearanceWhite to off-white emulsion
pH (1% aqueous dispersion)6.5 – 8.0
Density at 20 °CApprox. 1.02 – 1.06 g/cm³
Viscosity (Brookfield, 25 °C, spindle 3, 20 rpm)500 – 1500 mPa·s
Solubility / CompatibilityReadily dispersible in water; compatible with most anionic, nonionic, and cationic systems
Storage StabilityAt least 12 months in original sealed container at 5–30 °C


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