Alkali-free glass plate

An alkali-free glass plate according to the present invention is characterized by having a glass composition containing, in mol%, 55 to 80% of SiO2, 10 to 25% of Al2O3, 0 to 4% of B2O3, 0 to 30% of MgO, 0 to 25% of CaO, 0 to 15% of SrO, 0 to 15% of BaO and 0 to 5% of ZnO, and also containing both of...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	MUSHIAKE, ATSUSHI, SAITO, ATSUKI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	An alkali-free glass plate according to the present invention is characterized by having a glass composition containing, in mol%, 55 to 80% of SiO2, 10 to 25% of Al2O3, 0 to 4% of B2O3, 0 to 30% of MgO, 0 to 25% of CaO, 0 to 15% of SrO, 0 to 15% of BaO and 0 to 5% of ZnO, and also containing both of Y2O3 and La2O3 in the total amount of 0% or more and less than 1.0%, containing substantially no alkali metal oxide, and having a strain point of 750 DEG C or higher.