Ultra fine pulveriser which we also called super fine pulverizer, micro powder pulverizer, because they can produce 2500 mesh powder. Ultra fine pulveriser is for superfine grinding materials with hardness less than 6 in Moh's scale and humidity less than 6 percent such as kaolin, limestone, basalt, calcite, marble, talcum, barite, gypsum, dolomite, bentonite mud, mica, pyrophyllite ...