This European Standard specifies a method for determining the water absorption of natural stone - see EN 12670 for terminology and EN 12440 for denomination - by immersion in water at atmospheric pressure.
BS EN 13755:2002 history
2008BS EN 13755:2008 Natural stone test methods - Determination of water absorption at atmospheric pressure
2002BS EN 13755:2002 Natural stone - Test methods - Determination of water absorption at atmospheric pressure