LOW BIO-PERSISTENT HIGH TEMPERATURE RESISTANT INORGANIC FIBERS
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United States of America Patent
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Issued Date -
Jul 28, 2022
app pub date -
Dec 9, 2021
filing date -
Dec 11, 2020
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Abstract
A high temperature resistant inorganic fiber includes 72 to 77.3 weight percent silica; 10.2 to 15 weight percent magnesia; 12.4 to 17 weight percent calcia; 0 to 1.5 weight percent alumina; and 0 to 0.6 weight percent total alkali oxides; the fiber has a use temperature of at least 1260° C.; the fiber may exhibit a shrinkage of greater than 5% after exposure to a temperature of 1400° C. for 24 hours; and the fiber may have a melt temperature of less than 1400° C.
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