DS DS/EN 15803
DS DSEN 15803 2010-FEB-22 Conservaton of cultural property - Test methods - Determnaton of water vapour permeablty δp
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This European Standard specifies a method for determining the water vapour permeability (WVP) of porous inorganic materials used for and constituting cultural property. The method may be applied to porous inorganic materials either untreated or subjected to any treatment or ageing.