Two production processes for white corundum micropowder

Two production processes for white corundum micropowder
There are two methods for the process of white corundum semicolon: winnowing, water selection
Advantages of air-selected white corundum: large output, cheap price, disadvantages: insufficient particle size, intensive grinding of workpieces prone to scratches
Advantages of water-selected white corundum: The particle size is concentrated, and it is not easy to have fine and large particles. It is not easy to produce scratches during customer use. Disadvantages: The price is slightly expensive and the output is small.
Due to the relatively long time required to predetermine the target, the production cycle is slightly longer