High quality flexible ducts can be produced by permanently bonding clear or metalized polyester film to a spring steel wire helix. The Metalized / Polyester laminated inner core provides outstanding resistance and durability.
ighest quality flexible ducts can be produced by permanently bonding laminates of Aluminium Foil/Polyester Film to a spring steel wire helix. The aluminium foil in the structure gives excellent barrier and fire proof properties; while PET film in the structure provides the mechanical strength of the ducts. These duplex or triplex laminates form the walls of flexible air ducts.
Economical ; heat-sealable to foamed PE sheets and air buble sheets for radiant barrier with excellent reflective properties. Silver & gold mettallized versions available. Scrim reinforced versions are available.
Besel can offer silver-ion based anti-bacterial coated aluminium foil. This product is especially designed for hygienic HVAC applications. Anti-bacterial coating is effective against a wide range of bacteria and fungi (some of them listed below).