Our primary goal is to offer our clients a serious and responsible business relationship, providing personalized attention to all of them for Air Duct Aluminum Foil, Aluminum Foil, Aluminum Coil, Aluminum Sheet, Aluminum Plate, Aluminum Circle, Aluminum Strip, Aluminum Profile - Zhejiang Shu.Aluminum Foil+PVC Ventilation Pipe /Air Ducts/Combined Flexible Combie Du. US / Piece 100 Pieces (Min. Order)Mar 10, 2021 · The surface-fitted aluminum foil quality directly affects the quality and life of the air duct. Use high quality aluminum foil substrate with a grade of 1100, 8011, 3003. The temper is H22 or O, the thickness is.13mm, and the width ismm. 76 / 152mm outer diameter 500mm. Special specification can be made according to your demands.is founded in 2000,located in Li,China,is one of the leading manufacturers of Aluminium Foils,Aluminium Mylar Tapes,PET Tapes and PVC Tapes etc.,widely used on the cable shieldings,Flexible Air Ducts,Construction,Packagings,Oil and Gas Pipes etc.