| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: glass contains: SiO2, Al2O3, MgO, Na2O, K2O, B2O3 and P2O5, at the following component ratio, mass %: SiO2 - 86.0-88.0; Al2O3 - 1.5-2.5; MgO - 1.5-2.5; Na2O - 1.5-2.5; K2O - 1.5-2.5; B2O3 - 2.5-3.5; P2O5 - 1.5-2.5. ^ EFFECT: higher glass transmission within IR spectrum. ^ 1 tbl |
