DIN Standards Committee Building and Civil Engineering
EN 772-21
Methods of test for masonry units - Part 21: Determination of water absorption of clay and calcium silicate masonry units by cold water absorption
Prüfverfahren für Mauersteine - Teil 21: Bestimmung der Kaltwasseraufnahme von Mauerziegeln und Kalksandsteinen
Responsible national committee
NA 005-06-04 AA - Testing methods (national mirror committee for CEN/TC 125/WG 4)