| 摘要 |
<p>The invention relates to high-temperature resistant mineral fibres having the following composition: SiO2: 34-42 % by weight; Al2O3: 31-38 by weight; TiO2: 0-1 by weight; FeO: 2.5-7.5 by weight; CaO: 17-21 by weight; MgO: 0.5-4.3 by weight; Na2O: 0.3-1.5 by weight; K2O: 0.1-2.3 by weight.</p> |
