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Pure Zinc Rod 99.995% High Pure Zinc Round Bar 4N 5N 6N Factory Manufacture Chemical Component(%) Zn Cd Cu Fe Pb Sn Total Normal Value(%) ≥99.995 ≤0.002 ≤0.001 ≤0.002 ≤0.003 ≤0.001 ≤0.005 Measured ...