Wall tilesFloor tilesLenght and width EN ISO 10545-2Straightness of sides EN ISO 10545-2Thickness EN ISO 10545-2Rectangularity EN ISO 10545-2Surface flatness EN ISO 10545-2Water absorption EN ISO 10545-3Breaking strenght EN ISO 10545-4Modulus of rupture EN ISO 10545-4Surface deep abrasion resistance EN ISO 10545-6Surface abraision resistance EN ISO 10545-7Coefficient of linear thermal expansion EN ISO 10545-8Thermal shock resistance EN ISO 10545-9Crazing resistance EN ISO 10545-11Frost Resistance EN ISO 10545-12Coeefficient of friction UNE ENV 41901Coefficient of friction DIN 51130Coefficient of friction DIN 51097Coefficient of friction ANSI A137.1Resistance to household chemicals and swimming pool salts EN ISO 10545-4Resistance to low concentrations EN ISO 10545-13resistance to stains EN ISO 10545-14PorcelainFrost resistance