| -Compressive strength kg/cm² 2704 -Ditto after gelivity kg/cm² 2775 -Ultimate tensil-min.fall height kg/cm² 225 -Coeff. thermal expansion mm./m.° C ------ -Coeff.water absorption % in weigth 0.058 -Impact test-min.fall height cm 70 -Bulk density kg/m³ 2939 |