Antimony 4N 99.99%min Spec: Sb 99.99%Min Mn /Ag/Au/Cu/Ni 1.0 ppm max each Fe/ Cd/Mg 2.0 ppm max each Si /Bi/Zn 5.0 ppm max each; Pb 10 ppm max, As 10 ppm max, S 20 ppm max Size: 3~25 mm 90% min Quantity: 2 MT/monthly Packing: 2kg net each in Polythene (plastic)Bottle , 10 bottles in one carton box.