+ Compression breaking load: 967 kg/cm²

+ Compression br. load after freezing test: 933 kg/cm²

+ Bending strength:  105 kg/cm²

+ Volumetric weight: 2713 kg/cm³

+ Water absorption at N.P. conditions: 0.07%

+ Porosity: 0.17%

+ Thermal linear expansion coefficient: 12.6 (10^-6/ºC)

+ Abrasion test: 2.1 mm

+ Impact test: 50 cm