Saint-gobain Glass France

Octavio Cintora-Gonzalez

Dominique Sachot

Corinne Claireaux

Carole Fredy

A colored glass sheet of aluminosilicate composition chemically strengthened by ion exchange, includes the following oxides in the weight content ranges defined below: SiObetween 59.20 and 68.00%; AlObetween 2.00 and 8.00%; MgO between 6.00 and 9.00% when the AlOcontent is between 5.00 and 8.00% and when the SiO/AlOratio is greater than or equal to 7.8 or between 8.00 and 10.00% when the AlOcontent is between 2.00 and 5.00% and when the SiO/AlOratio is greater than or equal to 24; NaO between 9.00 and 16.00%; KO between 5.00 and 11.00%; BObetween 0 and 3.00%; CaO between 0 and 1.00%; and the following coloring agents in the weight content ranges defined below: FeOtotal between 0.05 and 6.00%; CoO between 0 and 2.00%; NiO between 0 and 1.00%; Se between 0 and 0.10%, and the glass having a redox factor of between 0.10 and 0.65.

Chemically strengthened colored thin glass

The invention relates to a glass sheet, the composition of which is of the soda-lime-silica type and comprises the following constituents in contents varying within the weight limits defined below:

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Taverny, France

Octavio Cintora-Gonzalez