Item | Standard | Result |
Appearance | White powder | White powder |
Zn | ≥ 72% | 76.3 |
Zinc oxide (ZnO) ≥, % | 99.8 | 99.85 |
Hardware (base on Zn) ≤, % | None | Comply |
Lead oxide (base on Pb) ≤, % | 0.0050 | 0.003 |
Oxide of mangan (base of Mn) ≤, % | 0.0001 | 0.00008 |
Cupelric oxide (base on Cu) ≤, % | 0.0002 | 0.0001 |
Muriatic acid insoluble substance ≤, % | 0.004 | 0.0035 |
Loss on ignition ≤, % | 0.10 | 0.076 |
Residue on sieve (45um mesh) ≤, % | 0.008 | 0.006 |
Hydrotrope ≤, % | 0.008 | 0.0063 |
105 Volatile ≤, % | 0.25 | 0.19 |