FLAME RESISTANT FIBERGLASS INSULATION, PRODUCTS, AND METHODS
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United States of America Patent
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Issued Date -
Jul 26, 2012
app pub date -
Aug 4, 2010
filing date -
Aug 4, 2009
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Provided are fiberglass insulations which have a softening point of less than, or no more than, 699° C., and an elevated glass viscosity at the UL 181 test temperature of 774° C. Also provided are insulated products, such as ducts, which have the fiberglass insulations thereon, as well as methods of improving the flame penetration resistance of an insulated product.
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