| -Compressive strength kg/cm² 1238 -Ditto after gelivity kg/cm² 1230 -Ultimate tensil-min.fall height kg/cm² 231 -Coeff. thermal expansion mm./m.° C 0.0054 -Coeff.water absorption % in weigth 0.16 -Impact test-min.fall height cm --- -Bulk density kg/m³ 2684 |