Zinc Oxde ZnO
Item/Parameter |
Standard |
|||||
Zinc Oxide (in accordance with dry materials) % ≥ |
ZnO 99.7% |
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 |
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