|
Item/Parameter
|
Standard
|
||||
|
Zinc Oxide (in accordance with dry materials) % ≥
|
ZnO 99.5%
|
ZnO 99%
|
ZnO 98%
|
ZnO 95%
|
ZnO 90%
|
|
Lead oxide (PbO)% ≤
|
0.12
|
0.2
|
1.0
|
3.0
|
4.0
|
|
Cadmium oxide (CdO) % ≤
|
0.02
|
0.05
|
--
|
--
|
--
|
|
Cupric oxide (CuO) % ≤
|
0.006
|
--
|
--
|
--
|
--
|
|
Manganese (Mn) % ≤
|
0.0002
|
--
|
--
|
--
|
--
|
|
Metallic Zinc (in accordance with Zn) %
|
None
|
None
|
--
|
--
|
--
|
|
Muriatic Acid Insoluble Substance % ≤
|
0.03
|
0.04
|
0.5
|
0.7
|
2.0
|
|
Loss On Ignition % ≤
|
0.4
|
0.6
|
0.7
|
1.0
|
5.0
|
|
Water Soluble Substance % ≤
|
0.4
|
0.6
|
0.7
|
1.0
|
3.0
|
|
Sieve Residue (45um mesh ) % ≤
|
0.28
|
0.32
|
0.5
|
0.5
|
0.5
|
|
Volatile % ≤
|
0.4
|
0.4
|
0.5
|
0.5
|
0.5
|
