copper granulated slag from India. COMPOSITIONFe as FeO 55% to 60%SiO 30% to 33%A1 O 5% - 7%CaO 1.0% - 1.5%MgO 0.8 % - 1.0%CuO (0.075% - 0.08%)Free Silica < (0.5%)Sulphates 0.1% SIEVE ANALYSIS FOR BULK GRIT0.8 mm and above 4.5%3.4 mm to 4.8mm 7.7%1.2 mm to 3.4mm 46.3%0.6 mm to 1.2 mm 30.6%0.3 mm to 0.6 mm 8.0%0.15 mm to 0.3 mm 2.2%0.074 mm to 0.15 mm 0.4 %under 0.074 mm 0.3% HEAVY METALSLEAD 0.02 to 0.06%ZINC 0.06 to 0.10%NICKEL 0.04 to 0.09%COPPER 0.07 to 1.0% PHYSICAL PROPERTIESHardness 5 -7 MOHSColour BLACK, GLOSSYGrain Shape MULTI FACETEDSpecific Gravity at 25o C 3.2 - 3.7 Bulk Density at 25 o C 2.1 to 2.4 tonnes/m3pH 6.5Conductivity at 25o C NilWeight raise at 25o C 1.75 - 2.0% at 900o CMoisture Content 0.01%