Color steel phenolic air duct sandwich panel The Feature of HUAHAI Phenolic Foam Air Duct sandwich panel: Lower heat conductivity, higher thermal efficiency Low density, light weight Foamed with CFC free materials, environment protectiveHermetic seal ensures little air leakage With color steel reinforced on both sides, it's corrosion protective, hygeian, and has a beautiful appearance.
Foamed with closed-cell structure, it's water-proof and sound-insulated. Easy making, rapid installing and convenient maintenance saves cost. No protrudent flange on the connections, it can save a lot of building space.