Limestone Crushing Mill/limestone Crushing Process ... Utralfine powder grinding machine can grind calcite, limestone, calcite, dolomite, kaolin, bentonite, talc, illite, pyrophillite, barite, meerschaum, fluorite, potash ore and other more than 200 kinds of materials that Moh's hardness is below 6, nonexplosive, nonflammable minerals. Get price