HGM8021 industrial mill Clirik Grinding Mills can make ultrafine powder with 47~5 microns: High capacity Low Maintainese Easy handle HGM8021 clinker grindng mills product fineness can be controlled between 325~2500 mesh(47~5microns). Performance and features 1. High efficiency Under the same final size and power, the product capacity of ultrafine mill is twice than jet mill and agitation mill. 2. Long lifetime of wearing parts The roller and ring are made of special material, which improve the grinding efficiency a lot. For same material and final size, the lifetime of its wearing parts can reach to more than one year, about 2-5 times as long as that of vertical shaft impact crusher and turbo-mill. Especially when handling calcium carbonate and calcite, the lifetime can reach 2-5 years