Abstract: A colored glass sheet of aluminosilicate composition chemically strengthened by ion exchange, includes the following oxides in the weight content ranges defined below: SiO2 between 59.20 and 68.00%; Al2O3 between 2.00 and 8.00%; MgO between 6.00 and 9.00% when the Al2O3 content is between 5.00 and 8.00% and when the SiO2/Al2O3 ratio is greater than or equal to 7.8 or between 8.00 and 10.00% when the Al2O3 content is between 2.00 and 5.00% and when the SiO2/Al2O3 ratio is greater than or equal to 24; Na2O between 9.00 and 16.00%; K2O between 5.00 and 11.00%; B2O3 between 0 and 3.00%; CaO between 0 and 1.00%; and the following coloring agents in the weight content ranges defined below: Fe2O3 total 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.

Abstract: A mineral wool having a chemical composition comprising the following constituents, as percentages by weight: SiO2 39-50%? Al2O3 19.5-27%?? CaO 5-12% MgO ?1-5% Na2O 5-20% K2O 0-15% Fe2O3 2-15% B2O3 ?0-2% a MgO/RO weight ratio of more than 0.10 and less than 0.50, and a RO/(RO+R2O) weight ratio of less than 0.55, in which RO represents the alkaline earth oxides CaO, MgO, BaO and SrO, and R2O represents the alkali oxides Na2O and K2O.

Abstract: Mineral fibers that exhibit a chemical composition comprising the following constituents, as percentages by weight: SiO2 57.0 to 60.0%, CaO 25.0 to 30.0%, MgO >8.0 to 10.0%, B2O3 ?2.5 to 6.0%, R2O ?up to 2.5% Al2O3 ???0 to 2.0%, and an R2O/B2O3 molar ratio of 0.20 to 0.60.

Abstract: Mineral fibers that exhibit a chemical composition comprising the following constituents, as percentages by weight: SiO2 57.0 to 60.0%, CaO 25.0 to 30.0%, MgO >8.0 to 10.0%, B2O3 2.5 to 6.0%, R2O up to 2.5% Al2O3 0 to 2.0%, and an R2O/B2O3 molar ratio of 0.20 to 0.60.

Abstract: A laminated glazing includes at least a first glass sheet of soda-lime-silica type, a second glass sheet which is thinner than the first glass sheet and a polymeric interlayer located between the two glass sheets, in which the second glass sheet is a glass of aluminosilicate type including the following oxides within the ranges of contents by weight defined below: SiO2 between 60.00 and 68.00%; Al2O3 between 2.80 and 7.80%; Na2O between 10.00 and 15.80%; MgO between 4.90 and 10.10%; K2O between 4.80 and 9.70%; B2O3 between 0 and 3.20%; and CaO between 0 and 1.00%.

Abstract: A colored glass sheet of aluminosilicate composition chemically strengthened by ion exchange, includes the following oxides in the weight content ranges defined below: SiO2 between 59.20 and 68.00%; Al2O3 between 2.00 and 8.00%; MgO between 6.00 and 9.00% when the Al2O3 content is between 5.00 and 8.00% and when the SiO2/Al2O3 ratio is greater than or equal to 7.8 or between 8.00 and 10.00% when the Al2O3 content is between 2.00 and 5.00% and when the SiO2/Al2O3 ratio is greater than or equal to 24; Na2O between 9.00 and 16.00%; K2O between 5.00 and 11.00%; B2O3 between 0 and 3.00%; CaO between 0 and 1.00%; and the following coloring agents in the weight content ranges defined below: Fe2O3 total 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.