| -Compressive strength kg/cm² 2000 -Ditto after gelivity kg/cm² ---- -Ultimate tensil-min.fall height kg/cm² 140 -Coeff. thermal expansion mm./m.° C 0.0069 -Coeff.water absorption % in weigth 0.31 -Impact test-min.fall height cm --- -Bulk density kg/m³ 2629 |