DS/EN 772-21:2011 Methods of test for masonry units - Part 21: Determination of water absorption of clay and calcium silicate masonry units by cold water absorption
This European Standard specifies a method of determining the water absorption of clay and calcium silicate masonry units by immersing them in cold water.
DS/EN 772-21:2011 history
2011DS/EN 772-21:2011 Methods of test for masonry units - Part 21: Determination of water absorption of clay and calcium silicate masonry units by cold water absorption