LIGHTWEIGHT NONWOVEN FIRE RETARDANT BARRIER
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United States of America Patent
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app pub date -
Dec 13, 2010
filing date -
Nov 2, 2004
priority date (Note) -
Abandoned
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Abstract
A non-woven flame retardant barrier comprising a binder; and a plurality of charring fibers combinable with the binder. The charring fibers include treated viscose fibers, wherein the charring fibers are substantially free of polymers made from halogenated monomers, consist essentially of fibers exclusively having a denier of from 1.5 to 3.5, and provide a fire-blocking web upon exposure to a heat source. The barrier has a basis weight of approximately from 0.25 to 0.65 osf.
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