DIN EN 772-15-2000 圬工品试验方法.第15部分:高压蒸汽加气混凝土圬工品水蒸汽渗透率测定
Methods of test for masonry units - Part 15: Determination of water vapour permeability of autoclaved aerated concrete masonry units; German version EN 772-15:2000
The document specifies a method of determining the steady state water vapour permeability of autoclaved aerated concrete masonry units at the upper and lower part of the hygroscopic range. The test method is limited to products from which disc shaped specimens of uniform thickness can be made.