This European Standard specifies the common requirements for all admixtures covered by EN 934-2, EN 934-3, EN 934-4 and EN 934-5, which containThe specific requirements for each type of admixture.The requirements for corrosion behaviour are not applicable to chloride based admixtures.
EN 934-1:2008 history
2008EN 934-1:2008 Admixtures for concrete, mortar and grout - Part 1: Common requirements