| http://www.w3.org/ns/prov#value | - In another aspect, this invention is a method of forming a heat barrier laminate comprising (a) adhesively bonding together a first metal foil layer and a layer of flame retardant nonwoven fiber material and (b) adhesively bonding together the opposite side of the first metal foil and a layer of heat insulating nonwoven fiber material positioned between the first metal foil and a second metal foil
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