roller mill for bentonite grinding roller mill for bentonite grinding. HCH Ultrafine Grinding Mill,Grinding Equipment, Stone Grinding . HCH1395 Grinding Mill is the biggest ultra fine circle-roll grinding mill in China. . used to grind any non-metallic minerals with Moh''s hardness below 7 and moisture below 6%, such as talc, calcite, calcium carbonate, dolomite, bentonite, kaolin, .
