However,SiO2 and MgO can decrease but CaO and Al2O3 increase RSI of magnetite briquettes to a certain extent.

• SiO2、MgO可在一定程度上降低磁铁矿团块还原膨胀率,CaO、Al2O3则使磁铁矿团块的还原膨胀率增大。