| 摘要 |
To provide an inorganic fiber that suppresses adverse effects on a human body and living environments, exhibits high biosolubility, and also exhibits excellent heat resistance as a constituent material for a filter material, a sealing material, or the like. The inorganic fiber comprises 30 mass% or more and less than 81 mass% ouzos, more than 19 mass% and 65 mass% or less of MgO and 0 mass% to 40 mass% of SiO 2 , wherein the total content of Al 2 O 3 , MgO and SiO 2 relative to the entire fiber is 98 mass% or more. |
