... marble,talcum, barite, gypsum, dolomite, bentonite mud,mica, pyrophyllite, sepiolite, diatomite, graphite, alunite, fluorite, potassium feldspar, phosphorite, pigment and ... (0.044-0.0055mm). Features of Oriental Micro Powder Mill ● High-efficiency and low consumption With the ... reaches the National Standard. Technical data of Oriental Micro Powder Mill Mode Roller Numbers(pcs) Ring Diameter (mm) ...