Method of making a fire-resistant translucent layer
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United States of America Patent
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-
Dec 2, 1986
Issued Date -
N/A
app pub date -
Jun 7, 1985
filing date -
Jul 20, 1982
priority date (Note) -
Expired
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Abstract
A nonflammable layer is made by drying an aqueous alkali metal silicate composition on a substrate in the presence of a drying atmosphere containing at least 30% free oxygen by volume so that the resulting layer remains bubble-free on aging even under intense ultraviolet radiation.
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