used with various kinds of grinders, for high-efficiency grinding of the powder body with solid The particle diameter range of alumina powder we produced is 0.02-2.0um, d50=0.73-0.78um, dmax=1.8-2.0um. It can be extensively used in the areas of production of pipes of sodium lamps, infrared observing windows, fluorescent powders, toughened zirconia ceramics, insulating ceramics, etc. Meanwhile, ...