With years' accumulation of experience in R&D, the HCH ultrafine grinding mill is a new ultrafine pulverizing equipment designed by HongCheng. This mill is widely used to grind any non-metallic minerals with Mohs hardness below 7 and moisture below 6%, such as talc, calcite, calcium carbonate, dolomite, bentonite, kaolin, graphite, carbon black etc. Adjustable fineness range: 0.04-0.005mm (400-2500mesh).