scope:

This European Standard specifies definitions and requirementsfor admixtures for use in concrete. It covers admixtures for plain,reinforced and prestressed concrete which are used in site mixed,ready mixed concrete and precast concrete. The performancerequirements in this standard apply to admixtures used in concreteof normal consistence. They may not be applicable to admixturesintended for other types of concrete such as semi-dry and earthmoist mixes. Provisions governing the practical application ofadmixtures in the production of concrete, i.e. requirementsconcerning composition, mixing, placing, curing etc. of concretecontaining admixtures are not part of this standard.