GREY GLASS COMPOSITION

The invention relates to a grey glass composition with a colorant portion comprising (FeO/Fe2O3), selenium, cobalt oxide, and titanium oxide. The grey glass has a redox value of no greater than 0.30, allows for high visible transmittance of at least 55%, has a dominant wavelength in the range of fro...

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Bibliographische Detailangaben
Hauptverfasser:	THOMSEN, Scott, V, HULME, Richard
Format:	Patent
Sprache:	eng ; fre ; ger
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:	The invention relates to a grey glass composition with a colorant portion comprising (FeO/Fe2O3), selenium, cobalt oxide, and titanium oxide. The grey glass has a redox value of no greater than 0.30, allows for high visible transmittance of at least 55%, has a dominant wavelength in the range of from 470 nm to 555 nm, an excitation purity of no greater than 5.0%, and an IR transmittance of no greater than 50%.