Type material : Onyx
Country : Italy
Prevailing market : Worldwide
Compressive strenght : 940/kg cm²
After freezing : 930/kg cm²
Ultimate tensile strenght : 125/kg cm²
Coef.thermal expansion : 0.0050 mm/m°C
Water absorption : 0.15%
Impact test/min. fall height : –
Frictional wear test : –
Bulk density : 2550 kg/m³