| 摘要 |
PCT No. PCT/DK91/00030 Sec. 371 Date Jul. 31, 1992 Sec. 102(e) Date Jul. 31, 1992 PCT Filed Feb. 1, 1991 PCT Pub. No. WO91/11403 PCT Pub. Date Aug. 8, 1991.Mineral fibers that include, by weight, 34-42% SiO2, 31-38% Al2O3, 0-1% TiO2, 2.5-7.5% FeO, 17-21% CaO, 0.5-43% MgO, 0.3-1.5% Na2O and 0.1-2.3% K2O display very high temperature resistance. |
