Finishes | Honed , Polished |
---|---|
Colour | Black |
Origin | Italy |
Variation | Pattern may vary , as every slab of natural marble is unique. |
Use | Indoor , Floor , Outdoor , Wall |
Sustainability | Natural Materials |
Home » Marble & Stones » Marble » Nero Portoro
Nero Portoro
Nero Portoro is a black marble with gold veining throughout. It is a sedimentary rock.
Compression tensile strength 1862 kg/cm²
Tensile strength after freeze-thaw cycles 1597 kg/cm²
Unitary modulus of bending tensile strength 104 kg/cm²
Heat expansion coefficient 0,0050 mm/m°C
Water imbibition coefficient 0,007400
Impact strength 25 cm
Frictional wear 2712 kg/m³
Additional information