zinc ingot

Zinc ingot(GB/T470-1997)
mark chemical comporsition(%)
Zn≥ impurity content≤
Pb Cd Fe Cu Sn Al As Sb total
Zn99.995 99.995 0.003 0.002 0.001 0.001 0.001 0.005
Zn99.99 99.99 0.005 0.003 0.003 0.002 0.001 0.01
Zn99.95 99.95 0.02 0.02 0.01 0.002 0.001 0.02
Zn99.5 99.5 0.3 0.07 0.04 0.002 0.002 0.01 0.005 0.01 0.5
Zn98.7 98.7 1 0.2 0.05 0.005 0.002 0.01 0.01 0.02 1.3