Disclosed is an ultraviolet-absorbing glass article comprising a glass matrix composition including, in mass % in terms of oxide contents, 66-75% SiO2, 10-20% Na2O, 5-15% CaO, 0-6% MgO, 0-5% Al2O3, 0-5% K2O, at least 0.8% to less than 2.4% total iron content in terms of Fe2O3 (t-Fe2O3), 0-0.01% Cr2O3, 0.02-0.04% CoO, 0.0005-0.0045% Se, and greater than 0% to at most 1% TiO2, wherein: the amount of redox is from 20% to 30% inclusive; redox, t-Fe2O3, and TiO2 satisfy a predetermined relationship; and t-Fe2O3, Cr2O3, CoO, and Se satisfy a predetermined relationship.
Ultraviolet-absorbing glass article
2019-10-01
Patent
Elektronische Ressource
Englisch
IPC: | C03C Chemische Zusammensetzungen für Gläser, Glasuren oder Emails , CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge |