| -Compressive strength kg/cm² 2520 -Ditto after gelivity kg/cm² 2286 -Ultimate tensil-min.fall height kg/cm² 207 -Coeff. thermal expansion mm./m.° C 0.0035 -Coeff.water absorption % in weigth 0.31 -Impact test-min.fall height cm 45 -Bulk density kg/m³ 2730 |