Heat-ray-absorbing glass plate and method for producing same
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United States of America Patent
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Jan 9, 2018
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app pub date -
Oct 11, 2016
filing date -
Apr 23, 2014
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Abstract
To provide a heat-absorbing glass plate of which amber coloring is suppressed, and which satisfies both low solar transmittance and high visible light transmittance. The heat-absorbing glass plate of the present invention is one containing iron, tin and sulfur, wherein, as represented by mass % based on oxides, the MgO content is at most 4.5%, the amount of total tin as calculated as SnO2 is less than 0.4%, and the ratio (SnO2/SO3) of the amount of total tin to the amount of total sulfur as calculated as SO3 is from 0.2 to 100.
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