Characteristic Specs
Specific Gravity ASTM C 97 2.669
Water Absorption (%) ASTM C 97 0.4
Compressive Strength (MPa)+rift, dry ASTM C 170 138.2
Flexural Strength (MPa)+ rift, dry ASTM C 880 17.4
Abrasion(Hd) ASTM C 241 15.9
Knoop Hardness (Kg / mm2) UNI 9724-6 302
Mohs Hardness 3.5-4
Coefficient Of Linear Thermal Expansion (mm / m.c) ASTM E 831 7.51
Thermal Conductivity (watt / m.k) ASTM D 5334 2.72