REFRACTORY COMPOSITION FOR SLAG CUTTING DART SLAG CUTTING DART INCLUDING THE SAME AND METHOD OF MANUFACTURING SLAG CUTTING DART

摘要

At least one refractory powder selected from dolomite, magnesia-chromite, chromite, mullite, chamotte, spinel and zircon; And at least one binder selected from alumina cement, an Na-containing inorganic compound, and phosphate, wherein the binder is present in an amount of 1 to 15 parts by weight based on 100 parts by weight of the refractory powder. do.