... illite, pyrophyllite and vermiculite, sepiolite, attapulgite, rectorite, diatomite, barite, gypsum, alunite, graphite, fluorite, rock phosphate, kalium ore, pumice, etc., ... dust pollution and noise.Model and technical data of gypsum powder production line:ModelHGM8021HGM9024HGM10027HGM10036Ring Diameter(mm)80090010001000Ring Number/ ... <20<20Finished Size/um5-475-475-475-47Capacity t/h0.4-4.50.4-5.50.6- ...