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By certification 
Use:Mainly used for the production of ceramic products .
Features:1.After calcination, hydrotrope, volatile and metal are decreased in large amount, The material in the production of ceramic products is very stable.
2.The physical properties of calcined zinc oxide and other ceramic materials are very similar, which is very easy to use and operate.
Technical indicators
| Item | Technical requirements |
| Zinc oxide(dry)% | ≥99 |
| Metal(Zn) % | ≤None |
| Lead oxide(PbO) % | ≤0.2 |
| Copper oxide(CuO) % | ≤0.007 |
| Manganese（Mn ）% | ≤0.0003 |
| Hydrochloric acid insuluble substance % | ≤0.04 |
| Loss on ignition % | ≤0.6 |
| Water soluble % | ≤0.6 |
| Moisture% | ≤0.4 |
