Aluminium Foil For Pre Insulated PU Duct
Aluminium foil for pre insulated pu duct is two layers of aluminum composite with Polyurethane insulations to making ducts. Aluminum foil pu composite insulation duct is a duct made of aluminum foil laminated on both sides and polyurethane or phenolic foam insulation material sandwiched in the middle. The air duct system thus made has low frictional resistance, […]