+ Compression breaking load: 848 kg/cm²

+ Compression br. load after freezing test:957 kg/cm²

+ Bending strength: 196 kg/cm²

+ Volumetric weight: 2713 kg/cm³

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

+ Porosity: 0.2%

+ Thermal linear expansion coefficient: 10.8 (10^-6/ºC)

+ Abrasion test: //

+  Impact test: 57.5 cm