Powdered/Milled Ferro silicon 1.Si 12-18% 2.Usage: Heavy Media Separation and sink-float ... 2.0 to 4.0. Chemical data, Fe 70-90% Si 12-18% Ti 0-10% Al 0-3%Available Sizes ... : 48D, 65D, 100D, 150D, 270D, 270F, 48 mesh, 65 mesh, 100 mesh, 200 mesh, 325 mesh. Any ... other package as your requirement. Powdered Ferro Silicon with Low Si