项目指标 | 标准指标 | 产品指标 |
氧化锌(ZnO) w/% | 95.0~98.0 | 96.5 |
105°C挥发物w/%≤ | 0.8 | 0.6 |
水溶物w/% ≤ | 1 | 0.4 |
灼烧减量w/% | 1~4 | 2.1 |
盐酸不溶物w/% ≤ | 0.04 | ≤0.01 |
铅(Pb) w/% ≤ | 0.008 | ≤0.001 |
锰(Mn)w/% ≤ | 0.0008 | ≤0.0001 |
铜(Cu)w/% ≤ | 0.0008 | ≤0.0001 |
镉(Cd)w/% ≤ | 0.004 | ≤0.001 |
筛余物(45μm试验筛) w/% ≤ | 0.1 | ≤0.1 |
比表面积/(m2/g) ≥ | 45 | 48 |