... with Mohs’s hardness under six, such as calcite, chalk, limestone, dolomite, kaolin, bentonite, talc, mica, magnesite ... than 100 kinds of materials.Limestone Micro powder making machine mainly consists of main unit, classifier, powder ... Model and technical data of Limestone Micro powder making machine:ModelHGM8021HGM9024HGM10027HGM10036Ring Diameter(mm)80090010001000Ring Number/pcs3334Roller Number/ ...