
Methods of test for masonry units.Part 21:Determination of water absorption of clay and calcium silicate masonry units by cold water absorption
STANDARD published on 1.11.2011
Designation standards: STN EN 772-21
Classification mark: 722636
Catalog number: 114263
Publication date standards: 1.11.2011
Approximate weight : 21 g (0.05 lbs)
Country: Slovak technical standard
Category: Technical standards STN
Táto európska norma určuje postupy na stanovenie nasiakavosti tehliarskych murovacích prvkov a vápennopieskových murovacích prvkov ponorením do studenej vody.