calcium carbonate grinding ball mill to micro. Calcium Carbonate Grinding Mill, Calcium . Micro Powder Mill . 325mesh(453μm) Production capacity : 10300t/h Appliio : Products can be used for calcium carbonate, talc, calcite, dolomite, potassium feldspar, graphite and other Mohs hardness of 7 below the water content of less than 6% of the mineral ultrafine .