SHEET OF FLOAT GLASS HAVING HIGH ENERGY TRANSMISSION

摘要

The invention relates to a sheet of extra-clear glass, that is to say a sheet of glass having high energy transmission, which can be used in particular in the field of solar energy. More specifically, the invention relates to a sheet of float glass having a composition which comprises, in a content expressed as percentages of the total weight of glass: SiO2 60 - 75%; Al2O3: 0 - 10%; B2O3: 0 - 5%; CaO: 0 - 15%; MgO: 0 - 10%; Na2O: 5 - 20%; K2O: 0 - 10%; BaO: 0 - 5%; total iron (expressed as Fe2O3): 0.001 to 0.06%; antimony (expressed as Sb2O3): 0.02 to 0.07%.