| 摘要 |
An inorganic fiber block obtained by stacking blanket-like products each including inorganic fibers, wherein the composition of the inorganic fibers have the following composition: SiO2: 66 to 82 mass %, CaO:10 to 34 mass %, MgO: 0 to 3 mass %, Al2O3: 0 to 5 mass %, and the total of SiO2, CaO, MgO and Al2O3 is 99 mass % or more. |
