| 摘要 |
Product comprises artificial glasslike fibers of the following composition (in wt.%): 46-58 silicon dioxide, 0.8-3 aluminum oxide, 0-4 titanium oxide, 5-7 iron oxide, 0-40 calcium oxide, 0-30 magnesium oxide, 7-12 sodium oxide + potassium oxide, 0.2-10 phosphorus pentoxide, and 0-10 others
|
