A glass article in which delamination and whitening of each layer provided on a glass substrate can be suppressed even after being used for a long period of time after heating and molding performed at a high temperature, and of which the adhesiveness between layers and the appearance are both excellent is provided. A glass article includes, on a glass substrate, a coating film and a shielding layer in this order, in which a porosity at an interface between the coating film and the shielding layer is 24% or lower. A Bi/Si ratio in the shielding layer is preferably 3.9 or higher. The coating film is preferably a dry coating film. The glass article can be used as a window glass for automobile.
GLASS ARTICLE
2025-05-15
Patent
Electronic Resource
English
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 |