Type                        Chemical component%                              Physical properties

                    Si         Mn        P       S         C                  Flow speed(S')     Loose specific weight(Df)

FFeSi45           43~47     <0.70  <0.04 <0.02 <0.10             50g/41'         2.5g/cm3     

FFeSi75           72~75    <0.70  <0.04 <0.02 <0.10     

Particle Size: 40Mesh 50Mesh 60Mesh 100mesh