| 摘要 |
<p>The invention relates to a glass thread that can be obtained by a method comprising mechanically stretching yarns of molten glass flowing from openings at the base of a die and having a chemical composition substantially free from boron oxide and including the following constituents according to the following limits in weight percent: SiO2 40 to 50, Al2O3 18 to 28, CaO 4 to 15, MgO 0 to 6, Na2O 10 to 14, Na2O + K2O + Li2O 13 to 20. The invention also relates to composites including such threads.</p> |
