Ultraviolet and infrared radiation absorbing glass

Abstract

An ultraviolet and infrared radiation absorbing glass having excellent ultraviolet radiation absorbing power and green tint, which is suitably used as a window glass for automobiles and constructional materials. The glass comprises, in % by weight: basic glass components comprising 65 to 80% SiO.sub.2, 0 to 5% Al.sub.2 O.sub.3, 0 to 10% MgO, 5 to 15% CaO, 10 to 18% Na.sub.2 O, 0 to 5% K.sub.2 0, 5 to 15% MgO+CaO, 10 to 20% Na.sub.2 O+K.sub.2 O, and 0 to 5% B.sub.2 O.sub.3, and coloring components comprising 0.4 to 1.5% total iron oxide (T-Fe.sub.2 O.sub.3) in terms of Fe.sub.2 O.sub.3, 0 to 3.0% CeO.sub.2, 0 to 2.0% TiO.sub.2, and 0.025 to 6.0% La.sub.2 O.sub.3, wherein 25 to 40% of said T-Fe.sub.2 O.sub.3 in terms of Fe.sub.2 O.sub.3 is FeO.

Dependencies are inferred from the claim text.