Micro Powder Mill: 1. High capacity. 2. Wide size range ... dust-dump standard. Hi-pressure suspension grinder(High Pressure Mill) is a new type product, which is developed ... hardness below 9.4 scale, a humidity below 6%, such as barite, calcite, limestone, potash, ceramic, slag, glass, manganese, ... By being equipped particular parts, the High pressure mill can produce thick powders ranging from 30 to 80 ...