Raymond Mill and Ultra Fine Mill Difference
Raymond mill also be called 4 roller mill in industry, compare with ultra fine mill, it was developed more earlier, and since 1906, it was be widely used in mineral powder making industrial. It can be used in including calcium carbonate, dolomite, calcite, gypsum and other more 280 kinds of stone materials, the fineness powder made by Raymond mill can be adjusted between 50 mesh to 450 mesh