Glass composition intended for the manufacture of windows that absorb ultraviolet and infrared radiation, comprising the oxides below, in contents varying within the following limits by weight: SiO265-80% Al2O30-5% B2O30-5% CaO 5-15% MgO0-2% Na2O 9-18% K2O 0-10% BaO0-5% characterized in that it additionally comprises the absorbent agents below, in contents varying within the following limits by weight: Fe2O3 (total iron)0.7 to 1.6% CeO20.1 to 1.2% TiO2  0 to 1.5% the glass having a redox factor of 0.23 or less and containing no tungsten oxide WO3.