Nov 18, 2019 Some micro powder will be produced during the working of Raymond grinding mill which can be recycled by the dust removal. These available micro powder have pretty high fineness which generally above 200 mesh, and we can adjust the wind valve to control the output of micro powder. HCmilling (Guilin Hongcheng) has been upgraded product with ... Fineness 1400 to 3000 mesh Production capacity 600-10000 kg/h Range of application Coarse whiting, barite, wollastonite, kaolin, rare earth ore, hematite, talc, feldspar, slag, etc.. Tricyclic Medium-Speed Micro powder Mill is new product independently researched by our company, which is a kind of fine grinding equipment of domestic advanced dry ultrafine non-metallic mineral powder. This Feldspar Lumps is a common raw material utilized for manufacturing of Tiles, Crockery, Sanitary and Glass Industry. Further, this feldspar powder is processed under the supervision of experience professionals with the help of hi-tech ball mill.