Test According to ASTM Standards Results [1] Abrasion resistance Hardness [ ASTM C241 / C1353 ] 26.5 Ha [2] Flexural Strength Mpa [ AST M C 880 ] 1400 Psi [3] Modulus Of Rupture Mpa. [ AST M C 99 ] 1600 Psi [4] Compressive Strength Mpa. [ AST M C170 ] 15600 Psi [5] Absorbation by Weight [ AST M C97 ] 1.31% [6] Density (Kg / M3) [ AST M C97 ] 2567