vidro de cal sodada colorido, de tonalidade azul

The invention concerns a coloured soda-lime glass with a blue shade, containing more than 2 wt. % of MgO, more than 1.1 wt. % of Fe2 O3. Less than 0.53 wt. % of FeO and less than 0.13 wt. % of MnO2 present under illuminant A and for a glass thickness of 4 mm, a transmission factor (TLA4) higher than...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DOMINIQUE COSTER, MARC FOGUENNE
Format:	Patent
Sprache:	por
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TRANSPORTING VEHICLES IN GENERAL WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES
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Beschreibung
Zusammenfassung:	The invention concerns a coloured soda-lime glass with a blue shade, containing more than 2 wt. % of MgO, more than 1.1 wt. % of Fe2 O3. Less than 0.53 wt. % of FeO and less than 0.13 wt. % of MnO2 present under illuminant A and for a glass thickness of 4 mm, a transmission factor (TLA4) higher than 15 %, a selectivity (SE4) higher than 1.2 and a dominant wavelength ( lambda D) and a purity of excitation (P) such that they are located in the CIE chromaticity co-ordinate diagram inside a triangle whereof the apices are defined by the point representing the illuminant source C and the points whereof the co-ordinates ( lambda D, P) are (490.19) and (476.49) respectively. Said glass is particularly suitable for motor vehicle side DIGITAL PHOTOGRAPHY windows, rear windows and sun roof.