1, Technicco Info: Density(g/cm³): 2.65 Water absorption(%): 0.33 Compressive strength:(MPa):156.60 Buckling strength(MPa): 15.80 Shore hardness number:(HSD): 15.00 Chemical composition(%) SiO2: 73.10 Fe2O3: 2.00 CaO:2.10 Al2O3:13.59 MgO:0.30 2, Available Size: 240up*120up*2/3cm. 280up*180up*2/3cm. 3,Available treatment: Polished/honed/flamed. 4,Applicable Scope: Indoor & Outdoor.