+ Compression breaking load:  1035 kg/cm²

+ Compression br. load after freezing test: 855 kg/cm²

+ Bending strength: 170 kg/cm²

+ Volumetric weight: 2618 kg/cm³

+ Water absorption at N.P. conditions: 0.21%

+ Porosity: 0.56%

+ Thermal linear expansion coefficient: 9 (10^-6/ºC)

+ Abrasion test: 0,2 mm

+ Impact test: 65 cm