HGM super fine powder making machine is mainly applied to the medium and low hardness, Mohs hardness ≤ 6 grade non-flammable superfine powder processing of brittle materials, such as calcite, chalk, limestone, dolomite, carbon black, kaolin , bentonite, talc, mica, magnesite, illite, pyrophyllite, vermiculite, sepiolite, attapulgite, rectorite, diatomite, barite, gypsum,...