Characteristics Rare Earth Ferro Silicon ( RE FeSi )adopts the one-stage process production and gets its form in secondary thin pouring. It also has the high Si content, high Re retrieving, easy to adjusting and other characteristics.The product is assembly compacted, with even chemical composition. It is with silver-gray appearance and metallic luster. Hard and easy to crush. Application Rare Earth Ferro Silicon ( RE FeSi ) is suitable to be used as the additive in steelmaking and iron-casting, or as the intermediate alloy of rare earth. It can also serve as the inoculant of gray casting iron, ductile casting iron and vermicular casting iron. It is the important additive in all kinds of inoculant, nodulizing and vermiculazing agent. Standard Grade Chemical Element (%) Re Si Ba Ca Al Ti Mn Content â?¤(Max) FeSiRe25 24.0-26.0 55-65 2.0 2.0 1.5 0.3 0.5 FeSiRe27 26.0-29.0 50-60 FeSiRe30-A 30.0-32.0 50-55 FeSiRe30-B 29.0-30.0 50-55 Size: 10-50mm; etc The specification,packaging and granular size can be produce according to customer demand.