Carbon-containing refiactories are easily oxidized at high tenperature,thus making service life rapidly drop.The anti-oxidation methods,such as impregnation and
Four kinds of slags with different compositions have been chosen for comparing the slag resistance of the castable by crucible slag test,It is found that CaO/Si
In addition to 0.5-4 mm cordierite,0-0.5 mm cordierite can be used to substitute counterpart alumina in both ultralow and low cement cordierite self slowing cas