... in powder Mn:99.7%/99.8%/99.9%min Size: -40mesh;-60mesh;-80mesh;-200mesh Offer as manufacturer ISO9001 Certificate Manganese in ... ≤90%, -28 mesh≤80%, -60 mesh≤50%, -325 mesh≤5%2. -40 mesh: -40 mesh ≥ 99%, +200 mesh≥60%, -325 mesh ≤ 20%3.-50 mesh: -50mesh:100%; ... Usage:It is always used as Mn-additive in Aluminium-Smelting, Copper-Smelting, Special Steel-Smelting ... lower price for you. Manganese in powder