| Item | Index |
| Zinc oxide (according to dry product)，% ≥ | 95 |
| Lead oxide (according to Pb)，% ≤ | 0.001 |
| Manganese oxide (according to Mn)，% ≤ | 0.005 |
| Copper oxide (according to Cu)，% ≤ | 0.0005 |
| Hydrochloric acid insoluble，% ≤ | 0.02 |
| Loss on ignition ，% ≤ | 4.0 |
| Water soluble，% ≤ | 0.5 |
| Grain size [TEM, nm] 90% ≤ | 50 |
SEM photographs: Main raw material of zinc oxide high-temperature desulfurizer, high rate and speed desulfurization due to the high activity of nanometer materials. |
