... processing equipment, which is mainly suitable for medium and low hardness, Mohs hardness <6 non-explosive brittle ... talc, mica, magnesite, illite, pyrophyllite, vermiculite, K minerals, pumice and so on.working processThe working process of ultra-fine grinding ... to the top, the wind direction is circular, and flow under negative pressure.technicalModel8021Power50kwFeeding size1-5mmProduct fineness500- ...