... the passivation magnesium powder.Content of granularity, loose density, Mg, CaO, CaF2, MgO, P, S and H2O ... of magnesium based desulfuratioin agent must be provided.Mg based desulfuration agent is generally mixed used with ... also be mixed.Input of Mg based desulfuration agent is 0.6-1.0kg/T rion.Pay attention ... is around 1280±30°C.After blowing in Mg based desulfuration agent, temperature of molten iron ...