... -05 Grade 99.999. The content of Cadmium is above 99.999%. The total content of Ag, Al, Bi, Cr, Ca, Cu ... -06 Grade 99.9999. The content of Cadmium is above 99.9999%. The total content of Ag, Al, Bi, Cu, Fe, Mg ... -07 Grade 99.99999. The content of Cadmium is above 99.99999%. The total content of Ag, Al, Cu, Fe, Mg, Ni ...