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-Compressive strength kg/cm² 1995 -Ditto after gelivity kg/cm² 1597 -Ultimate tensil-min.fall height kg/cm² 233 -Coeff. thermal expansion mm./m.° C 0.0067 -Coeff.water absorption % in weigth 0.56 -Impact test-min.fall height cm ----- -Bulk density kg/m³ 2712 |