Component	Hindustan Zinc Grade Debari	Hindustan Zinc Grade Vizag	Hindustan Zinc Grade Chanderiya
Cadmium, Min	99.95%	99.95% - 99.97%	99.99%
Lead, Min	100-200 ppm	90-150 ppm	100 ppm
Zinc, Max	10 ppm	10-20, ppm	100 ppm
Iron, Max	10 ppm	10-20 ppm	20 pmm
Copper, Max	100 -200 ppm	150-200 ppm	20 ppm
Others	-	-	Traces