FIELD: chemistry.
SUBSTANCE: invention concerns hot repair methods for industrial furnace masonry by ceramic welding (weld deposition) and can be applied in metallurgy, coke chemical and other industries. The exothermal mix for ceramic welding contains fireproof and fuel elements, including aluminum elements. Spheric aluminum elements have specific surface of 0.13-0.65 m2/g, 0-10 mcm fraction share in granulometric aluminum composition comprising 12-65%. Maximum size of aluminum elements is 100 mcm.
EFFECT: efficient mix for ceramic welding, improving repair quality and safety and reducing metal powder consumption and repair time.
4 ex, 2 cl
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