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Zinc Ingot typical assay
Grade A
Zinc Purity Min 99.97%
Pb PPM (Max) 220
Cd PPM (Max) 30
Fe PPM (Max) 20
Cu PPM (Max) 25
Grade B
Zinc Purity Min 99.95%
Pb PPM (Max) 380
Cd PPM (Max) 45
Fe PPM (Max) 20
Cu PPM (Max) 30