Zinc Ingot Standards Permitted total of 6 5 4 3 2 1 Nominal Zn Class Standard elements in columns 1~6 Max Al% Max Cu% Max Sn% Max Fe% Max Cd% Max Pb% content (%) Reference 0.01 0.002 0.001 0.003 0.005 0.005 99.99 Z2 EN 1179 0.01 0.005 0.004 0.007 99.99 Special Zinc Metal JIS...
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