It is mainly used in super-powder processing with more than 500 kinds of materials, such as feldspar, talcum, barite, marble, limestone, charcoal blacks, and china clay, with output fineness of 500 meshes (25um) to 2500 meshes (5um) and the minimal fineness of 3500 meshes (3.55um).Specification: ModelYGM7826YGM8327YGM9531YGM3220Number of rolls(pcs)33434Diameter of rollers(mm)??260??270??310??320??