+ Compression breaking load: 2004 kg/cm²

+ Compression br. load after freezing test.: // 

+ Bending strength: 239 kg/cm²

+ Volumetric weight: //

+ Water absorption at N.P. conditions.: //

+ Porosity: //

+ Thermal linear expansion coefficient: //

+ Abrasion test: 23.5 mm

+ Impact test: 74 cm