Caco3 powder grinder/ Caco3 grinding mill/ Caco3 pulverizer is for superfine grinding materials with hardness less than 6 in Mohs scale and humidity less than 6 percent such as kaolin, limestone, basalt, calcite, marble, talcum, barite, gypsum, dolomite, bentonite mud, mica, pyrophyllite, sepiolite, carbon black, diatomite, graphite, alunite, fluorite, potassium feldspar, phosphorite, pigment ...