HGM series micro powder mill is theequipment specializing in producing fine and superfine powder ofnon-inflammable, non-explosive and brittle materials with Mohs'shardness under six, such as calcite, chalk, limestone, dolomite,kaolin, bentonite, talc, mica, magnesite, illite, pyrophyllite andvermiculite, sepiolite, attapulgite, rectorite, diatomite, barite,gypsum, alunite, graphite, fluorite, rock phosphate, Kalium ore,pumice, etc., totally more than 100 kinds of materials.