F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 59/153 (2006.01) F16L 57/04 (2006.01) F24F 13/02 (2006.01)
Patent
CA 2698455
A rotary fibrous insulation product for use as flexible duct media is provided. The fibrous insulation product includes a fibrous insulation pack that is at least partially coated on one major surface with a phosphorus coating layer. The phosphorus coating layer may be formed of one or more phosphorus-containing compound that forms a protective coating over the fibrous pack when sufficient heat is applied. In exemplary embodiments, mono-aluminum phosphate is applied to a major surface of the fibrous pack. The phosphorus-containing compound may be applied to the surface of the fibrous pack in an amount from about 3.0 g P/m 2 to about 10.0 g P/m2. In an alternate embodiment, the phosphorus-containing compound is distributed throughout the insulation pack. A flexible insulated duct formed from the fibrous insulation product is also provided. The flexible insulated duct meets the UL-181 Standard flame penetration test without the need for a scrim layer.
Aubourg Patrick F.
Potter Russell M.
Owens Corning Intellectual Capital Llc
Smart & Biggar
LandOfFree
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