Imperial Grey Characteristics Specs. Results Specific Gravity ASTM C 97 2.7 Water Absorption (%) ASTM C 97 0.4 Compressive Strength ASTM C 9170 139.5 Flexural Strength (MPa) ASTM C 880 18.1 Abrasion (Hd) ASTM C 241 16 Knoop Hardness (Kg / mm2) UNI 9724 - 6 311 Mohs Hardness (Hd) 3.7 - 4 Coefficient Of Linear Thermal Expansion (μm / m.c) ASTM E 831 7.45 Thermal Conductivity (watt/m.k) ASTM D 5334 2.65 Amounts Produced ? Large Block Size Medium Please note that the above results are representative of our most recent tests.Your actual results may vary slightly. All figures are for reference only and are based on averages.Colors may vary slightly
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