"his European Standard specifies a test method to
assess the relative resistance of natural stones with an
open porosity of greater than 5 %, measured in
accordance with EN 1936, to damage caused by the
crystallization of salts. The test is not necessary for
low porosity stones.
EN 12370:1999 Referenced Document
EN 1936 Natural stone test methods - Determination of real density and apparent density, and of total and open porosity*， 2006-12-01 Update
EN 12370:1999 history
1999EN 12370:1999 Natural Stone Test Methods - Determination of Resistance to Salt Crystallisation