... GOST 3640-790# (Zn)≥99.995%,(Pb)≤0.003%,(Cd)≤0.002%,(Fe)≤0.001%,(Cu)≤0.001%,(Sn)≤0.001%1 ... # (Zn)≥99.99%,(Pb)≤0.005%,(Cd)≤0.003%,(Fe)≤0.003%,(Cu)≤0.002%,(Sn)≤0.001%2#(Zn)≥99.95 ... %,(Pb)≤0.2%,(Cd)≤0.02%,(Fe)≤0.01 ... %,(Cu)≤0.002%,(Sn)≤0.001%1.zinc ingot ...