... G.Iron. 2. Chemical composition: Si, Mg, RE, Ca, Al, Fe. 3. Size:0.5-3mm. Ferro Silicon Magnesium1. FeSiMg ... -25 mm.3. Chemical composition: Si, Mg, RE, Ca, Al, Fe.4. Specs:FeSiMg5RE1 Si: 45-55%, Mg: 4.5 ... .5%, RE: 0.3-1.0%, Ca: 0.2-1.0%, Al: 1.2%max.FeSiMg6RE1 Si: 45-55 ... .5%, RE: 0.3-1.0%, Ca: 0.2-1.0%, Al: 1.2%max.FeSiMg7RE1 Si: 45-55 ... 5%, RE: 0.3-1.0%, Ca: 0.2-1.0%, Al: 1.2%max.Remark: Tailor-made grades ...