FIBERGLASS COMPOSITION FOR HIGHER MODULUS
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United States of America Patent
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Issued Date -
Feb 2, 2023
app pub date -
Dec 30, 2020
filing date -
Dec 30, 2020
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Abstract
A glass composition is provided that includes about 57.0 to 62.0% by weight SiO2, about 20.0 to 25.0% by weight Al2O3, about 8.0 to 12.5% by weight MgO, about 7 to 9.0% by weight CaO, about 0.4 to 1.0% by weight Li2O, 0.0 to about 1.0% by weight Na2O, about 0 to 0.5% by weight K2O; and 0.2 to about 1.5% by weight TiO2. The glass composition has a fiberizing temperature of no greater than about 1,300 C. Such applications include woven fabrics for use in forming wind blades and aerospace structures.
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