High-pressure micro-powder mill is mainly used to process materials into fine powder.The materials must be non-flammable and non-explosive such as kaolin, limestone ,calcite, marble , china clay, feldspar, charcoal blacks, active carbon.And paint with the hardness less than 6 in Moh' s scale and humidity less than 8 percent.The product granularity can be changed from 500 meshes to 1250 meshes and the minimum is 2500 meshes.