Vermiculite powder is usually 20-40mesh, 40-60mesh, 60-80mesh, 200mesh, 325mesh and 800mesh. The vermiculite ore is grinded into powder after high-temperature roasting. In this vermiculite grinding plant, Raymond grinding mill and three-ring ultrafine grinding mill is used. Vermiculite Raymond grinding mill the common grinding mill used in stone crushing and screening plant and mineral ore mining […]