Ultraviolet absorbing green tinted glass

Details Ultraviolet absorbing green tinted glass Ultraviolet absorbing green tinted glass

1992-03-26

1995-01-31

Group, Karl

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C03C 3087

Patent

active

053858727

ABSTRACT:
A green tinted, ultraviolet absorbing glass is disclosed having a standard soda-lime-silica base glass composition and a colorant portion consisting essentially of on a weight basis: less than 2.0% total CeO.sub.2, V.sub.2 O.sub.5, TiO.sub.2 or MoO.sub.3 and greater than 0.7% total iron (expressed as Fe.sub.2 O.sub.3) with the ratio of FeO/total iron less than 0.35.
The glass reduces the amount of costly cerium required to yield low ultraviolet transmittance, viz., no greater than 31 percent (300 to 390 nanometers) at a reference thickness of 3.9 millimeters.

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Glass Colors, V: Examples of the Composition of Colored Glasses, Jiri Kocik, Jiri Nebrensky and Ivan Fanderlik, Fachberichte, Sprechsaal, vol. 121, No. 1, 1988, 42-44, No month.

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