FIBER BLENDS, YARNS, FABRICS, AND GARMENTS FOR ARC AND FLAME PROTECTION
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United States of America Patent
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Issued Date -
Jan 30, 2014
app pub date -
Jul 27, 2012
filing date -
Jul 27, 2012
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Abstract
A fiber blend, yarn, fabric, and/or garment suitable for use in arc and flame protection comprising (a) greater than 30 percent aramid fiber; (b) 20 to 35 weight percent modacrylic fiber; (c) 20 to 35 weight percent rayon fiber having a limiting oxygen index of 21 or less, and having a dry tensile strength of 3 grams per denier or greater; and (d) 0 to 3 weight percent antistatic fiber; the percentages on the basis of components (a), (b), (c), and (d); wherein the difference in the amount of the modacrylic fiber and the rayon fiber present in the blend, yarn, fabric, and/or garment is 10 percent by weight or less.
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