| 摘要 |
The present invention relates to temperature-resistant aluminosilicate glass fibers having the following composition: 52-60% by weight SiO2, 12-16% by weight Al2O3, <0.4% by weight Fe2O3, 0.03-0.3% by weight Na2O, 0.3-0.7% by weight K2O, 18-24% by weight CaO, 0.4-0.8% by weight MgO, 1-5% by weight TiO2, 0.5-3% by weight BaO, 0-2% by weight SrO, 0-3% by weight ZrO2, 0-1% by weight CuO, the total proportion of the alkaline earth metal oxides together being a maximum of 1.0% by weight, the total proportion of the oxides SrO, CuO, ZrO2 being in a range of 0.1 to 4.0% by weight and the temperature-resistant aluminosilicate glass fibers having a transformation temperature of >760° C. and a fiber formation temperature of <1260° C., preferably ≦̸1230° C. |
