| abstract |
There is a demand for a cable that can ensure cable continuity even when heated for 3 hours at a maximum temperature of 1100 ° C., and that the entire fireproof structure is compact and lightweight. Provide a new fireproof structure that can be used in nuclear power plants in Japan. A first endothermic material comprising an inorganic porous molded body that has absorbed water, or a second endothermic material comprising particles containing magnesium phosphate hydrate and a binder, and a shrinkage rate of 5 at 1100 ° C. for 24 hours. %. A fireproof structure having a fiber heat insulating material composed of inorganic fibers of not more than%. [Selection] Figure 4 |