| 摘要 |
PROBLEM TO BE SOLVED: To provide a repairing material for hot seizure that can flow in a short time and promptly seizes to the damaged sites and shows excellent durability. SOLUTION: To a fire-refractory aggregate, are formulated in outer percentage, (a) 10-30 wt.% of solid pitch softening at 80-150 deg.C, (b) 1-5 wt.% of at least one selected from the substances belonging to the second class petroleum of dangerous articles group 4: gas oil or lamp oil and the third class petroleum typified by heavy oil, and, if necessary, (C) 1-10 wt.% of stearic acid. |
