TANG Zhiyang

(Wuxi Institute of Arts &Technology, Yixing Jiangsu 214206, China)

Abstract: Three preparation methods of high purity ultrafine alumina powder were summarized and the liquid chemical synthesis, the most useful and fully researched, was introduced in detail. The advantages and disadvantage of the method were analyzed. The properties and applications of high purity ultrafine alumina powder were described briefly.

Key words: liquid chemical synthesis; purity; ultrafine alumina powder; preparation