1. we are the real factory of zinc oxide
2. free sample
3.content 75-99.7%
1. we are the real factory of zinc oxide
2. free sample
3.content 75-99.7%
Item | Index | ||||
Medicine type | Rubber type | Coating type | |||
Super grade | Top-grade | First grade | Top-grade | First grade | |
Zinc oxide(ZnO calculating as dry material)%≥ | 99.9 | 99.7 | 99.5 | 99.7 | 99.5 |
Lead oxide(as Pb)≤%≤ | 0.025 | 0.037 | 0.05 | - | - |
Manganese’s oxide(as Mn) ≤ | 0.0001 | 0.0001 | 0.0001 | - | - |
Cupric oxide(as Cu)% ≤ | 0.0002 | 0.0002 | 0.0002 | - | - |
Insoluble matter in Hydrochloric acid%≤ | 0.004 | 0.006 | 0.008 | - | - |
Loss on ignition %≤ | 0.15 | 0.2 | 0.2 | - | - |
Residue on 45um sieve% | 0.05 | 0.1 | 0.15 | 0.1 | 0.15 |
Water-soluble matter%≤ | 0.05 | 0.1 | 0.1 | 0.1 | 0.1 |
Volatile matter in 105°C%≤ | 0.3 | 0.3 | 0.4 | 0.3 | 0.4 |
Oil absorption g/100g | 14 | 14 | 14 | - | - |
Color(compared with standard sample) | - | - | - | similar | similar |
Decoloration power(compared with standard sample) ≥ | - | - | - | 100 | 95 |
