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Grey - Limestone
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
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