Impurity PPM Max each (ICP-MS)

5N ≥99.999% Zn/Pb/ Al
1.0, Ag/Cu/Mg/Ni/As/Fe/Bi 0.5

6N ≥99.9999% Cu/In 0.01, Pb 0.1, Ag/Mg/Ni/Bi/Fe/Al 0.05

7N ≥99.99999% Ag/Ca/Fe/Se 0.01, Cu/Al/Mg/Ni/Pb/Ga/Cr/Sn/Bi 0.005, Zn 0.02

Size<1.5mm, 3-8mmirregular lump, or -100mesh powder