|
No |
Item |
Standard Specification |
|||
|
1 |
Zinc ≥% |
5N |
6N |
7N |
|
|
99.999% |
99.9999% |
99.99999% |
|||
|
2 |
Impurity
PPMwt Max Each |
In/Al/Mg |
0.5 |
0.05 |
0.005 |
|
As |
0.5 |
0.05 |
- |
||
|
Ag |
0.1 |
0.01 |
0.005 |
||
|
Ni |
0.1 |
0.05 |
0.005 |
||
|
Pb |
1.5 |
0.05 |
0.010 |
||
|
Fe |
1.0 |
0.01 |
0.010 |
||
|
Cd |
1.5 |
0.05 |
- |
||
|
Sn |
1.0 |
0.01 |
0.005 |
||
|
Co/Sb |
0.1 |
- |
0.005 |
||
|
Bi |
0.1 |
0.01 |
- |
||
|
Cu |
0.5 |
0.03 |
0.001 |
||
|
Cr |
- |
0.02 |
- |
||
|
3 |
Size |
100g,300g,500g bar, D12xL25/D15XL21mm rod, 1-7mm shot | |||
|
4 |
Packing |
5N 1kg in plastic bag, 6N 7N in composite aluminum foil bag | |||