... less than 6 grade such as limestone, calcite, dolomite, kaolin, bentonite, talc, illite, pyrophillite, barite, meerschaum, fluorite, potash ore, etc. ... , the separating efficiency has been increased, and the finest powder could be D97≤5um (2500mesh).3. Special Shock Absorber ... down onto the lower scattering plate. And the fine powder conforms to the standard will be discharged into the Dispersive ...