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

Evonik Airase 8070 Defoamer

Evonik Airase 8070 Defoamer is a silicone-free, liquid antifoam agent from Evonik’s Airase series, designed for efficient foam control in water-based industrial processes like coatings, adhesives, and cleaning formulations. It offers rapid knock-down, excellent compatibility, and long-term stability without affecting product clarity or performance.
  • evonik airase 8070 defoamer_d1d3d9c5
  • evonik airase 8070 defoamer_d1d3d9c5

Features Of Evonik Airase 8070 Defoamer

  1. Highly effective silicone-free defoaming agent for aqueous systems.

  2. Excellent compatibility with a broad range of water-based formulations including acrylics, vinyl acetate copolymers, and styrene-butadiene emulsions.

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

  4. Non-silicone composition avoids surface defects such as craters, pinholes, or recoatability issues.

  5. Stable across wide pH range (pH 3–12) and tolerant to moderate electrolyte concentrations.

Typical Applications Of Evonik Airase 8070 Defoamer

  1. Architectural and industrial waterborne paints and coatings.

  2. Water-based adhesives and sealants.

  3. Textile sizing and finishing formulations.

  4. Construction chemicals including cementitious grouts and tile adhesives.

  5. Industrial cleaning agents and metalworking fluid concentrates.

Specifications Of Evonik Airase 8070 Defoamer

Chemical TypePolyether-modified alcohol blend
Product FormOpaque liquid
AppearanceOff-white to light beige, homogeneous liquid
pH (1% aqueous solution)6.5 – 8.5
Density (20 °C)1.02 – 1.06 g/cm³
Viscosity (25 °C)150 – 400 mPa·s
Solubility in WaterPartially miscible; forms stable dispersion
Recommended Dosage Range0.05 – 0.3 wt% (based on total formulation)


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