EUCON AIR MAC6 is formulated for use as an air entraining admixture for concrete of all types and is manufactured under rigid control which assures uniform and precise performance. EUCON AIR MAC6 adds microscopic air bubbles in concrete and is acceptable to use in all types of concrete, including mixtures that have been difficult to entrain air. EUCON AIR MAC6 contains no added chlorides or chemicals known to promote the corrosion of steel.