Glass composition for the manufacture of fibers and process
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United States of America Patent
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Jan 17, 2017
Grant Date -
Sep 17, 2015
app pub date -
Oct 18, 2013
filing date -
Oct 18, 2012
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Abstract
Improved glass batch compositions and processes of fiberizing the compositions to form fibers are provided. The batch of the present composition can include: 40-60 wt % SiO2; 15-50 wt % Al2O3; 0-30 wt % MgO; 0-25 wt % CaO; 0-5 wt % Li2O; 0-9 wt % B2O3; and 0-5 wt % Na2O. The fibers formed of the compositions may have a Young's modulus of greater than 82.7 GPa (12 MPSI). The fibers may also have good biosolubility (kdis), of at least 100 ng/cm2/hour.
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