... ,due to the user’s requirement for low consumption, high purity during smelting process in EAF/BOF, Anssen succeeds in ... , anti-erosion, easy operation, its main use :Blowing oxygen or other gas into EAF; Injection of powder additive to ... steel composition;Clean slag from converter ;Special purpose which requires high refractoriness, anti-oxidation, anti-sulphurization, anti-erosion; TypesCeramic ...