Portoro Argento
Black Marble from Italy
compressive strength (Kg/cm²): 1862
after freezing (Kg/cm²): 1579
ultimate tensile strength (Kg/cm²): 104
coeff. of thermal expansion (mm/m°C): 0.005
water absorption (%): 0.74
impact test / min. fall height (cm): 25
frictional wear test (mm): n/a
bulk density (Kg/cm³): 2712
quarry location: Italy
colour: Black
brand: n/a
