Abstract: The invention relates to glass sheet having a composition comprising the following in weight percentage, expressed with respect to the total weight of glass: Total iron (expressed in the form of Fe2O3) 0.002-0.15% Selenium (expressed in the form of Se) 0.0003-0.005% Cobalt (expressed in the form of Co) 0.00005-0.0015%; the glass sheet being characterized in that: N?10.3*Fe2O3+0.11; N being defined as Formula (I). Such a glass sheet has a high luminous transmittance and has colorless/achromatic edges (very neutral in color). This invention is particularly suitable due to its aesthetics as building glass or interior glass, like for example in furniture applications.

Abstract: A glass sheet having a composition comprising the following in weight percentage, expressed with respect to the total weight of glass: Total iron (expressed as Fe2O3) 20-750 ppm; Selenium (expressed as Se) 0.1-<3 ppm; Cobalt (expressed as Co) 0.05-5 ppm; and a ratio Er2O3/Fe2O3 0.1-1.5. Such a glass sheet has a high luminous transmittance and shows edges which are colorless/achromatic and very luminous/bright, while maximizing the luminous transmittance. The glass sheet is particularly suitable due to its aesthetics as building glass or interior glass.

Abstract: A glass sheet having a composition which comprises total iron (expressed in terms of Fe2O3) from 0.002-0.06 wt %; chromium (expressed as Cr2O3) from 3-75 ppm; and manganese (expressed as MnO) from 50-1,000 ppm. The glass sheet has a LTD4 higher than 70%. Such a glass sheet exhibits at once a high luminous transmission, an increased transmission of infrared (IR) radiation and a pleasing slight color or an almost neutral to neutral color.

Abstract: A coloured glass sheet having a high transmission of infrared (IR) radiation, the composition comprising, in a content expressed as percentages by total weight of glass: SiO2 55-85%? Al2O3 0-30% B2O3 0-20% Na2O 0-25% CaO 0-20% MgO 0-15% K2O 0-20% total iron (expressed in Fe2O3 form) 0.02-1%? Co 0.0001-0.5%???? Cr2O3 0.002-0.5%;??? said sheet having: TIR4>TLD4. The glass sheet can advantageously have a blue or green shade and be used in a device requiring very good transmission of IR radiation.

Abstract: A glass sheet having a composition comprising the following in weight percentage, expressed with respect to the total weight of glass: Total iron (expressed as Fe2O3) 20-750 ppm; Selenium (expressed as Se) 0.1-<3 ppm; Cobalt (expressed as Co) 0.05-5 ppm; and a ratio Er2O3/Fe2O3 0.1-1.5. Such a glass sheet has a high luminous transmittance and shows edges which are colorless/achromatic and very luminous/bright, while maximizing the luminous transmittance. The glass sheet is particularly suitable due to its aesthetics as building glass or interior glass.

Abstract: The invention relates to a glass sheet having high transmission of infrared (IR) radiation. More specifically, the invention relates to a glass sheet having a composition which comprises, in a content expressed as percentages by total weight of glass: SiO2 55-85% AI2O3 0-30% B2O3 0-20% Na2O 0-25% CaO 0-20% MgO 0-15% K2O 0-20% BaO 0-20% total iron (expressed in the form of Fe2O3) 0.002-1%, Cr2O3 0.001-0.5% Co 0.0001-0.5% Se 0.0003-0.5%. By virtue of its high transmission of IR radiation, said glass sheet can advantageously be used in a device using a technology requiring very good transmission of IR radiation, whether through the main faces or starting from their edge (for example, a screen or panel or pad) The invention thus also relates to the use of such a glass sheet in a device using infrared radiation propagating essentially inside said sheet.

Abstract: A glass sheet having a composition which comprises total iron (expressed in terms of Fe2O3) from 0.002-0.06 wt %; chromium (expressed as Cr2O3) from 3-75 ppm; and manganese (expressed as MnO) from 50-1000 ppm. The glass sheet has a LTD4 higher than 70%. Such a glass sheet exhibits at once a high luminous transmission, an increased transmission of infrared (IR) radiation and a pleasing slight color or an almost neutral to neutral color.

Abstract: The invention relates to laminated glazing comprising a substrate, in particular a transparent substrate, optionally colored, coated with an infrared-reflecting layer and capable of being used as glazing in buildings or in vehicles. The coated substrate is made up of the combination of a glass substrate in which the composition has a redox of less than 15%, characterized by infrared reflection RIRV so that RIRV?1.087*TLV, wherein TLV is the light transmission of the glass, and an infrared reflecting layer characterized by light transmission TLC so that TLC?1.3*TIRC, wherein TIRC is the infrared transmission of the layer.

Abstract: The invention relates to substrates, in particular to transparent substrates, optionally colored, coated with an infrared-reflecting layer and capable of being used as glazing in buildings or in vehicles. Said coated substrates are made up of the combination of a glass substrate in which the composition has a redox of less than 15%, characterized by infrared reflection RIRV so that RIRV?1.087*TLV, wherein TLV is the light transmission of the glass, and an infrared reflecting layer characterized by light transmission TLC so that TLC?1.3*TIRC, wherein TIRC is the infrared transmission of the layer.

Abstract: A float glass sheet having a boron- and lithium-free glass composition comprising the following in weight percentage, expressed with respect to the total weight of glass: 65?SiO2?78% 5?Na2O?20% 1?K2O<8% 1?Al2O3<6% 2?CaO<10% 0?MgO?8%; K2O/(K2O+Na2O) ratio which is from 0.1 to 0.7; wherein the glass sheet has: 0.01 < ? ( Na 2 ? O ) air ( Na 2 ? O ) tin - 1.03 ? ? 3. The glass sheet may be a chemically-temperable soda-silica type glass composition suitable for mass production that shows reduced or controlled increased warping effect.

Abstract: The invention relates to a float glass sheet having a boron- and lithium-free glass composition comprising the following in weight percentage, expressed with respect to the total weight of glass: 65?SiO2?78% 5?Na2O?20% 0?K2O<5% 1?Al2O3<6% 0?CaO<4.5% 4?MgO?12% a (MgO/(MgO+CaO)) ratio?0.5 characterized in that the glass sheet has: (I). The invention corresponds to an easy chemically-temperable soda-silica type glass composition, which is more suited for mass production than aluminosilicate glass, and therefore is available at low cost, and with a base glass/matrix composition that is close to or very similar to compositions already used in existing mass production, and finally which shows reduced or controlled increased warping effect.

Abstract: The invention relates to glass sheet having a composition comprising the following in weight percentage, expressed with respect to the total weight of glass: Total iron (expressed in the form of Fe2O3) 0.002-0.15% Selenium (expressed in the form of Se) 0.0003-0.005% Cobalt (expressed in the form of Co) 0.00005-0.0015%; the glass sheet being characterized in that: N?10.3*Fe2O3+0.11; N being defined as Formula (I). Such a glass sheet has a high luminous transmittance and has colorless/achromatic edges (very neutral in color). This invention is particularly suitable due to its aesthetics as building glass or interior glass, like for example in furniture applications.

Abstract: The invention relates to a glass sheet having high transmission of infrared (IR) radiation. More specifically, the invention relates to a glass sheet having a composition which comprises, in a content expressed as percentages by total weight of glass: Si02 55-85% AI2O3 0-30% B2O3 0-20% Na2O 0-25% CaO 0-20% MgO 0-15% K2O 0-20% BaO 0-20% total iron (expressed in the form of Fe2O3) 0.002-1%, Cr2O3 0.001-0.5% Co 0.0001-0.5% Se 0.0003-0.5%. By virtue of its high transmission of IR radiation, said glass sheet can advantageously be used in a device using a technology requiring very good transmission of IR radiation, whether through the main faces or starting from their edge (for example, a screen or panel or pad) The invention thus also relates to the use of such a glass sheet in a device using infrared radiation propagating essentially inside said sheet.

Abstract: A coloured glass sheet having a high transmission of infrared (IR) radiation, the composition comprising, in a content expressed as percentages by total weight of glass: SiO2 55-85%? Al2O3 0-30% B2O3 0-20% Na2O 0-25% CaO 0-20% MgO 0-15% K2O 0-20% total iron (expressed in Fe2O3 form) 0.02-1%? Co 0.0001-0.5%???? Cr2O3 0.002-0.5%;??? said sheet having: TIR4>TLD4. The glass sheet can advantageously have a blue or green shade and be used in a device requiring very good transmission of IR radiation.

Abstract: The invention relates to laminated glazing comprising a substrate, in particular a transparent substrate, optionally coloured, coated with an infrared-reflecting layer and capable of being used as glazing in buildings or in vehicles. The coated substrate is made up of the combination of a glass substrate in which the composition has a redox of less than 15%, characterised by infrared reflection RIRV so that RIRV?1.087*TLV, wherein TLV is the light transmission of the glass, and an infrared reflecting layer characterised by light transmission TLC so that TLC?1.

Abstract: The invention relates to substrates, in particular to transparent substrates, optionally coloured, coated with an infrared-reflecting layer and capable of being used as glazing in buildings or in vehicles. Said coated substrates are made up of the combination of a glass substrate in which the composition has a redox of less than 15%, characterised by infrared reflection RIRV so that RIRV?1.087*TLV, wherein TLV is the light transmission of the glass, and an infrared reflecting layer characterised by light transmission TLC so that TLC?1.3*TIRC, wherein TIRC is the infrared transmission of the layer.

Abstract: A float glass sheet having a boron- and lithium-free glass composition comprising the following in weight percentage, expressed with respect to the total weight of glass: 65?SiO2?78% 5?Na2O?20% 1?K2O<8% 1?Al2O3<6% 2?CaO<10% 0?MgO?8%; K2O/(K2O+Na2O) ratio which is from 0.1 to 0.7; wherein the glass sheet has: 0.01 < ? ( Na 2 ? O ) air ( Na 2 ? O ) tin - 1.03 ? ? 3. The glass sheet may be a chemically-temperable soda-silica type glass composition suitable for mass production that shows reduced or controlled increased warping effect.

Abstract: The invention relates to a float glass sheet having a boron- and lithium-free glass composition comprising the following in weight percentage, expressed with respect to the total weight of glass: 65?SiO2?78% 5?Na2O?20% 0?K2O<5% 1?Al2O3<6% 0?CaO<4.5% 4?MgO?12% a (MgO/(MgO+CaO)) ratio?0.5 characterized in that the glass sheet has: (I). The invention corresponds to an easy chemically-temperable soda-silica type glass composition, which is more suited for mass production than aluminosilicate glass, and therefore is available at low cost, and with a base glass/matrix composition that is close to or very similar to compositions already used in existing mass production, and finally which shows reduced or controlled increased warping effect.