... 3.Easy to oprate and main Ore benification machinePerformance characteristics of Raymond mill: Raymond mill is used for ultra-fine ... materials, with the Moth's hardness of 9.3 below and humidity of 6% below, in the works of non-flammable mine, chemical industry ... dolomite, fluorite, limestone, active carbon, bentonite, etc. The particle size of finished product can be adjusted from 80-325 meshed. And ...