CHEMICAL COMPOSITION

	Zn99.995	Zn99.99	Zn99.95	Zn99.5	Zn98.7
Zn%≥	99.995	99.99	99.95	99.5	98.7
impurity%≤	0.003	0.005	0.02	0.3	1
Pb	0.002	0.003	0.02	0.07	0.2
Cd	0.001	0.003	0.01	0.04	0.05
Fe	0.001	0.002	0.002	0.002	0.005
Cu	0.001	0.001	0.001	0.002	0.002
Sn	-	-	-	0.01	0.01
Al	-	-	-	0.005	0.01
As	-	-	-	0.01	0.02
Sb	0.005	0.01	0.05	0.5	1.3