We are Aurubis Bulgaria AD based in Pirdop , Bulgaria. We are member of Tradekey.com since February, 2007. Our business is related to Minerals & Metallurgy industry and we specifically deal in COPPER CONCENTRATES, COPPER ACTHODES, IRON SAND, COPPER SCRAP. Please find our product details below:IRON CONCENTRATESPECIFICATION IRON CONCENTRATE PARAMETERS CONTENTFe % 50, 00 Cu % <0, 80S % <1, 60CaO % <1, 90MgO % <0, 80SiO2 % <32, 00Al2O3 % <3, 70Na2O % <1, 20K2O % <0, 70H2O % <16, 00Grain size >200 mm % <5, 00200 - 125 mm % <12, 00125 - 71 mm % <17, 0071 - 40 mm % <18, 0040 - 20 mm % <35, 0020 - 0 mm % <38, 00copper cathodesSPECIFICATION COPPER CATHODES STANDARD GRADE PARAMETERS REQUIRED VALUE As %