40.20 DIS ballot initiated: 12 weeks Apr 10, 1991
CEN
CEN/TC 104 Concrete and related products
European Norm
This European Standard describes the methods to ascertain whether the shrinkage and expansion of a hydraulic mortar is influenced by admixtures.
IN_DEVELOPMENT
prEN 480-3
40.20
DIS ballot initiated: 12 weeks
Apr 10, 1991