1.Chemical composition: Si(30%-75%),Fe,Ai,Ca 2.Size: according to ... . Shape: lump , granule , powder , briquetting 2. Size: 0mm-3mm 3. Chemical composion: Si(30%-75%),Fe,Ai,Ca,Mn,Cr,C ... it often used as inoculant and nodulizer and deoxidize The chemical composition: PlateChemical Composition(%)SiAiCaMnCrPCS≤Fe75-A74.0-80.02.01.50.40 ...