+ Compression breaking load: 927 kg/cm²

+ Compression br. load after freezing test:867 kg/cm²

+ Bending strength: 196 kg/cm²

+ Volumetric weight:  2515 kg/cm³

+ Water absorption at N.P. conditions: 2.34%

+ Porosity: 5.9%

+ Thermal linear expansion coefficient: 5.3 (10^-6/ºC)

+ Abrasion test: 4 mm

+ Impact test:  40 cm