| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: subject of present invention is glass fibre containing the following components in wt %: SiO2 50-65%, Al2O3 12-20%, CaO 12-13.9%, MgO 6-12%, CaO/MgO 2, preferably 1.3, Li2O 0.1-0.8%, preferably 0.6%, BaO+SrO 0-3%, B2O3 0-3%, TiO2 0-0.5%, Na2O+K2O <2%, F2 0-1%, Fe2O3<1%. ^ EFFECT: obtaining glass which is characterised by an excellent trade-off between mechanical properties represented by Young 's modulus and melting and fibre-formation properties. ^ 10 cl, 1 tbl |
