Sinai Pearl Marbles

TestAccording to ASTM Standards Results [1] Abrasion resistance Hardness[ ASTM C241 / C1353 ] 38.8 Ha [2] Flexural Strength Mpa[ AST M C 880 ] 1900 Psi [3] Modulus Of Rupture Mpa.[ AST M C 99 ] 1900 Psi [4] Compressive Strength Mpa.[ AST M C170 ] 19800 Psi [5] Absorbation by Weight[ AST M C97 ] 0.89% [6] Density (Kg / M3)[ AST M C97 ] 2628