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

Evonik Airase 5500 Defoamer

Evonik Airase 5500 is a high-performance silicone-free defoamer from Evonik’s Airase series, designed for water-based industrial coatings and adhesives. It delivers rapid foam suppression, excellent compatibility, and minimal impact on gloss or substrate wetting. Ideal for demanding applications requiring low-foam processing and consistent film formation.
  • evonik airase 5500 defoamer_f7bf1ae7
  • evonik airase 5500 defoamer_f7bf1ae7

Features Of Evonik Airase 5500 Defoamer

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

  2. Excellent compatibility with a broad range of anionic, nonionic, and cationic surfactants.

  3. Low dosage requirement with rapid knock-down and lasting foam suppression.

  4. Stable performance across wide pH range (pH 4–12) and elevated temperatures.

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

Typical Applications Of Evonik Airase 5500 Defoamer

  1. Architectural coatings and interior/exterior paints.

  2. Industrial maintenance coatings and coil coatings.

  3. Adhesives and sealants, including waterborne acrylic and PVA formulations.

  4. Printing inks, especially flexographic and gravure inks.

  5. Construction chemicals, e.g., cementitious tile adhesives and self-leveling compounds.

Specifications Of Evonik Airase 5500 Defoamer

Chemical TypeNon-silicone polyether-based defoamer
Product FormOpaque white liquid
AppearanceHomogeneous, slightly viscous emulsion
pH (1% aqueous solution)6.5 – 8.5
Density (20 °C)1.01 – 1.04 g/cm³
Viscosity (25 °C, Brookfield LVT, Spindle #3, 60 rpm)150 – 400 mPa·s
Primary ApplicationsWaterborne coatings, adhesives, inks, construction chemicals
Key FeaturesSilicone-free, low-foaming, easy dispersion, high compatibility


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