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Structure and Material Applied in Flexible Aluminum Foil Air Duct Flexible Aluminum foil air duct is made of Aluminum foil band laminated with polyester film, which is spirally wound around high elastic steel wire. Could be structured with single band or dual bands. ① Si...Read more »
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Insulated flexible Aluminum air duct is composed by inner tube, insulation and jacket. 1. Inner tube: is made of one foil band or two, which is spirally wound around high elastic steel wire; The foil could be laminated Aluminum foil, aluminised PET film or PET film. Thic...Read more »