1.obvious desulfurization efficiency 2. improve refining speed and reduce the addition of alloy ... , ladle, refinery furnace and molten iron, etc. it is of high rate of desulfurization as much as rate of 60-85 ... %C %R2O %Al %Index40-655-155-102-61-5FunctionHeat preservation, high rate of desulfurizationUsageDesulfurization used in electric, furnace, converter, ladle, refinery ...