... non-explosive and brittle materials with Mohs’s hardness under six, such as calcite, chalk, limestone, dolomite, kaolin, ... feeder.Working principle of Limestone Micro powder making machine:After crushed by hammer crusher, the large materials ... and technical data of Limestone Micro powder making machine:ModelHGM8021HGM9024HGM10027HGM10036Ring Diameter(mm)80090010001000Ring Number/pcs3334Roller Number/ ...