Dark green solar control glass composition
AssigneeVidrio Plano de Mexico, S.A. de C.V.
InventorsJos+e,acu e+ee Guadalupe CID-AGUILAR, Roberto Marcos Cabrera-Llanos, Miguel Angel KIYAMA-RODRIGUEZ
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Abstract
The present invention provides a dark green colored glass composition having a soda-lime-silica glass composition, wherein the coloring compounds comprises in weight percentage: from 0.71 to 1.50% of total iron expressed as Fe2O3; from 22 to 30% of ferrous-ferric ratio and from 0.15 to 0.50% of expressed as FeO; from 0.10 to 0.20% of SO3 without affecting the refining properties and ability of the SO3 to eliminate bubbles; about 0 to 1.0 wt. % TiO2; about 0.0004 to 0.03 wt. % Cr2O3; and also 0.0004 to 0.015 wt. % CuO.
Claims8
A dark green colored glass composition having a base portion of a soda-lime-silica composition wherein the coloring compounds comprising, in weight percentage:
- from 0.71 to 1.50% of total iron expressed as Fe2O3;
- from 22 to 30% of Fe2+ and from 0.15 to 0.50% of FeO, expressed as Fe2O3;
- from about 0.10 to about 0.20% of SO3;
- from about 0 to about of 1.0% TiO2;
- from about 0.0004 to about of 0.03% Cr2O3;
- and from about 0.0004 to about 0.015% CuO.
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Dependencies are inferred from the claim text.