4.Specifications: Fe iron 64.5% min 63.5% Al2o3 aluminum trioxide 2.3% Sio2 silicone dioxide 1.8% S sulphur 0.006 % P phosphurous 0.050% Mn manganese 0.75% Loi 2.6% Bulk density 2.5 t/m3 Moisture free moisture at 105 degrees centigrade 4% Physical characteristics + 31.5 mm 17% + 19 mm 50% - 6.3 mm 4% Bulk density 2.5 t/m3