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Priority to JP11295472ApriorityCriticalpatent/JPS5337887B2/ja
Publication of JPS4972310ApublicationCriticalpatent/JPS4972310A/ja
Publication of JPS5337887B2publicationCriticalpatent/JPS5337887B2/ja
C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
C03C3/00—Glass compositions
C03C3/04—Glass compositions containing silica
C03C3/062—Glass compositions containing silica with less than 40% silica by weight
C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
C03C3/068—Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths