| 摘要 |
PROBLEM TO BE SOLVED: To provide a cement repairing material having an excellent injection property, early hardning property, excellent transportability and storability and capable of remarkably saving the labor of the installing work. SOLUTION: The cement type repairing material contains alumina cement, Portland cement and gypsum in which a content of particles having <=10μm particle is >=80 wt.% respectively in a ratio of 100 pts.wt. alumina cement, 67-150 pts.wt. Portland cement and 11-150 pts.wt. gypsum and also a granular cement dispersant is contained. |
