Ekan® AIR 21

Air Entraining Admixture

  • EKAN®AIR 21 creates permanent microscopic air bubbles within the concrete and mortar.
  • EKAN®AIR 21 effectively protects concrete against freeze/thaw cycles and the movement of thawing salts.
  • EKAN®AIR 21 also has a plasticizing effect on fresh concrete. It reduces the amount of segregation and even eliminates the problem of bleeding.

  • Using EKAN®AIR 21 minimizes many compatibility issues that can arise between concrete, aggregate, and admixtures.

  • Its highly effective action ensures compatibility with all superplasticizers.

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Light Brown

1.05 ± 0.03 kg/lt

6.00 ± 1.5


Plastic Tank: 1100 kg

Areas of Use

  • All types of concrete manufacturing

  • Highways, airplane runways, airport aprons

  • Dams, reservoirs

  • Road and marine structures

  • Shotcrete applications

  • Concrete exposed to freeze/thaw conditions


Dosage: 0.2 kg to 1.0 kg per 100 kg of cement.

Optimum dose of EKAN®AIR 21 should be established after local tests considering expected mechanical properties of the cement and fluidity of the mixture.

EKAN®AIR 21 is fully water-soluble. It is recommended to add the product to the concrete mixture water.

For further information please contact with EKAN sales representatives.


EKAN®AIR 21’s shelf life is 12 months when stored in its original package and away from direct sunlight.

After a long idle period, shake, mix the product or use a circulation pump to homogenize it before use.

After a freezing-thawing cycle, mix the product before use.

Avoid contact with eyes and skin. Detailed health and safety information is available in the Material Safety Data Sheet (MSDS).