Hardness: 3 mohs
Unit Volume Weight: 2,71 gr/cm3 Density: 2,73 gr/cm3 Porosity: 0,2% Compressive strength: 704 kgf/cm2 Strength to blow: 17 kgf/cm2 Strength to bending: 111 kgf/cm2 Modules of elasticity: 56500 kgf/cm2 Ratio of fullness: 99,3 % Degree of pores: 0,7% Average abrasion: 29,6 cm3/50cm2 Average tensile strength: 65 kgf/cm2 |