GLASS FOR PHARMACEUTICAL CONTAINERS

An object of the present invention is to provide a glass for pharmaceutical containers, which is resistant to delamination and has excellent processibility. The glass for pharmaceutical containers of the present invention comprises, in mol % on an oxide basis, 69 to 81% of SiO2, 4 to 12% of Al2O3, 0...

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Bibliographische Detailangaben
Hauptverfasser:	CHOJU KEN, YAMAMOTO KAZUYUKI
Format:	Patent
Sprache:	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
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Beschreibung
Zusammenfassung:	An object of the present invention is to provide a glass for pharmaceutical containers, which is resistant to delamination and has excellent processibility. The glass for pharmaceutical containers of the present invention comprises, in mol % on an oxide basis, 69 to 81% of SiO2, 4 to 12% of Al2O3, 0 to 5% of B2O3, 5 to 20% of Li2O+Na2O+K2O, 0.1 to 12% of Li2O, and 0 to 10% of MgO+CaO+SrO+BaO. The glass has a hydrolytic resistance of Class 1 in a test in accordance with the European pharmacopoeia.