Solar control glass composition
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United States of America Patent
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Feb 26, 2002
Grant Date -
N/A
app pub date -
Jan 26, 2000
filing date -
Jan 26, 2000
priority date (Note) -
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Abstract
The invention is a solar control glass having a base glass composition, and colorants consisting essentially of from about 0.40 to 0.93 wt. % Fe.sub.2 O.sub.3 ; about 0 to 0.30 wt. % TiO.sub.2 ; and about 0.01 to 0.03 wt. % Cr.sub.2 O.sub.3. The glass having a light transmission using 'A' of at least 70%; a reduced ultraviolet radiation transmittance of less than 35%; a direct solar heat transmittance of less than 45%; a dominant wavelength below 545 nanometers; and a purity of less than 7%.
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