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| 项目 | 指标 | ||
| 1类 | 2类 | 3类 | |
| 氧化锌（ZnO）% ≥ | 99.0 | 97.0 | 95.0 |
| 电镜平均粒径/nm ≤ | 100 | 100 | 100 |
| XRD线宽法平均晶粒/nm ≤ | 100 | 100 | 100 |
| 比表面积(m3/g) ≥ | 15 | 15 | 35 |
| 团聚指数 ≤ | 100 | 100 | 100 |
| 铅(Pb)/% ≤ | 0.001 | 0.001 | 0.03 |
| 锰(Mn)/% ≤ | 0.001 | 0.001 | 0.005 |
| 铜(Cu)/% ≤ | 0.0005 | 0.0005 | 0.003 |
| 镉(Cd)% ≤ | 0.0015 | 0.005 | - |
| 汞(Hg)/% ≤ | 0.0001 | - | - |
| 砷(As)/% ≤ | 0.0003 | - | - |
| 105℃挥发物/% ≤ | 0.5 | 0.5 | 0.7 |
| 水溶物/% ≤ | 0.10 | 0.10 | 0.7 |
| 盐酸不溶物/% ≤ | 0.02 | 0.02 | 0.05 |
| 灼烧失重/% ≤ | - | 2 | 4 |
