Ore Magnetic separator 1.High effeciency 2.High field intensity :13000Guass 3.Separating weak magnetic materia. Features:Magnetic rolls available in 75 and ... 300mm diameters with widths up to 1000mm and magnetic field 13,000 Gauss. A 1 horsepower, ... removal of iron silicates from limestone or magnesite, glass raw materials cleaning silica sand, quartz, feldspar, dolomite, etc. Ore magnetic separator