CORUNDUM GUN MIXTURE Russian patent published in 2003 - IPC

FIELD: refractory materials. SUBSTANCE: invention relates to manufacture of refractory materials for high-temperature metallurgy and chemical industry assembles and can be utilized, in particular, for repairing linings of connecting pipes of installations for out-of-furnace degassing of steel by filling or manual plastering. Corundum-based gun mixture contains, wt %: high-alumina cement 13-22, clay 2-7, sodium polyphosphate or hexamethaphosphate 0.1-1.0, and organic fibers 0.05- 0.25. EFFECT: decreased loss of gun mixture during coating operations and increased stability of coatings. 2 tbl