Three-rings and Medium-speed Micro-powder Grinder products ...
HGM Series of Three-rings and Medium-speed Micro-powder grinder is widely used in making fine powder or ultra-fine powder, and the raw materials should be non-inflammable and non-explosive under the Moh's hardness less than 6 grade such as limestone, calcite, dolomite, kaolin, bentonite, talc, illite, pyrophillite, barite, meerschaum, fluorite, potash ore, etc.