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The main usage of zinc oxide (zinc white) was again paints and additive to ointments. Zinc white 7681-11-0 was accepted as a watercolor by 1834 . However,zinc oxide did not mix well with oil. With times going,this problem was quickly solved by optimizing the synthesis of ZnO. Zinc oxide is added to many food products, also.
It is difficult to trace the usage of zinc oxide, because a various of zinc compounds were widely used by humans in the early times, with various processed and unprocessed forms, as a paint or medicinal ointment, but their exact composition is uncertain. However, humans were not sure zinc oxide'composition.
In 1845, LeClaire in Paris was producing the 1310-73-2 oil paint on a large scale, and by 1850, zinc white was being manufactured throughout Europe. The success of zinc white paint was due to its advantages over the traditional white lead: zinc white is essentially permanent in sunlight, it is not blackened by sulfur-bearing air, it is non-toxic and more economical.In the recent times, most zinc oxide was used in the rubber 1314-13-2 industry 。In the 1970s, the second largest application of ZnO was photocopying. High-quality ZnO produced by the "French process" was added into the photocopying paper as a filler. This application was however soon displaced.
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