... , talcum, barite, gypsum, dolomite, bentonite mud, mica, pyrophyllite, sepiolite, diatomite, graphite, alunite, fluorite, potassium feldspar, phosphorite, pigment and ... by blower and muffler. III. Micro Fine Powder Mill FeaturesHigh-efficiency and low consumptionWith the same ... noise, which reaches the National Standard. Micro Fine Powder Mill Main Specifications ModelRoller Numbers(pcs)Ring Diameter( ...