Zinc Oxide(zno)
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Zinc Oxide(zno) used for rubber, ceramics, medicine, paint, printing & dyeing, magnetic, electronics, fodder, picture tube, etc.
Zinc oxide of indirect method Molecular formula:ZnO
Molecular weight:81.38
Properties: this product is white powder, with specific weight of 5.606 and melting point of 1975oC. It is a kind of amphoteric oxide. , dissolving in acid, alkali, ammonium chloride and ammonia water, not dissolving in water and ethyl alcohol, sublimating when heating to 1800oC.
Uses:rubber, ceramics, medicine, paint, printing & dyeing, magnetic, electronics, fodder, picture tube, etc.
| Item | Index | ||||
| Medicine type | Rubber type | Coating type | |||
| Super grade | Top-grade | First grade | Top-grade | First grade | |
| Zinc oxide(Zn0 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 105oC% ≤ | 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 |
We also offer special specifications to customers with special requirements.
