Raymond mill is used for ultra-fine powder processing
From Source Systems Wiki
Raymond mill is used for ultra-fine powder processing of 280 materials, with the Moth's hardness of 9.3 below and humidity of 6% below, in the works of non-flammable mine, chemical industry and building materials, etc. The materials include barite, calcite, potash feldspar, pencil stone, marble, dolomite, fluorite, limestone, active carbon, bentonite, etc.