Type material : Onyx
Country : Italy
Prevailing market : Worldwide
Compressive strenght : 1760/kg cm²
After freezing : 1640/kg cm²
Ultimate tensile strenght : 102/kg cm²
Coef.thermal expansion : 0.0050 mm/m°C
Water absorption : 1.30%
Impact test/min. fall height : 30 cm
Frictional wear test : –
Bulk density : 2430 kg/m³