... roller 2.Diameter:1050MM 3.used for:magnetite ,hematite 4.Permanent magnet 5High-efficiency 5000gs Products description: The Magnetic ... kind of efficient equipment for processing fine ,feebly magnetic minerals,such as hematite,limonite,wolfram,limonite,and ... used as magnetic matrix.It possesses the following advantages:short magnetic circuit,little magnetic flux leakage,high magnetic intensity,low ...