Zinc Ore

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Calcined mullite

Calcined flint clay

Calcined china clay

Calcium carbonate

Lead Ores

Zinc Ores

Copper Ores

Manganese Ores

Quality Standard for Fine Zinc Ore

Grade

Zn ≥ %

Impurity, ≤ %

Cu

Pb

Fe

As

SiO2

F

1 st Grade

2 nd Grade

3 rd Grade

4 th Grade

5 th Grade

6 th Grade

7 th Grade

8 th Grade

9 Th Grade

59

57

55

53

50

48

45

43

40

0.8

0.8

0.8

0.8

1.0

1.0

1.5

1.5

2.0

1.0

1.0

1.0

1.0

1.5

1.5

2.0

2.5

3.0

6

6

6

7

8

13

14

15

16

0.20

0.20

0.30

0.30

0.40

0.50

With Discussion

With Discussion

With Discussion

3.0

3.5

4.0

4.5

5.0

5.5

6.0

6.5

7.0

0.2

0.2

0.2

0.2

0.2

0.2

0.2

0.2

0.2

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