Thanks to its excellent products and quality services, UNT Duct is one of the leading polyurethane foam ductwork manufacturers and suppliers in China. Welcome to buy the high quality and customized products from our factory. We will offer you the best service and fast delivery.
Polyurethane Foam Ductwork
Commonly named PU aluminum foil duct board or PU sandwich duct panel, the Polyurethane Foam Ductwork is a premium composite material widely applied to HVAC ventilation and air conditioning duct systems.
Its integrated three-layer bonded construction includes:
Double outer layers: Durable aluminum foil with embossed or flat surface options
Middle core layer: Solid rigid PU foam that provides structural rigidity alongside excellent heat insulation performance
Structure: Silver Aluminum/ PU Foam/ Silver Aluminum
Size: 3950*1200*20mm
Foam Density: 48kg/m3
Aluminum Thickness: 0.06mm or 0.08mm
Aluminum Color: Silver and Black
Packing: 10 sheets/ package
Loading Capacity: 710 sheets/ 40'HQ (packed with plastic bags)
660 sheets/ 40'HQ (packed with cardboard box)
The "lightweight revolution" of Polyurethane foam Ductwork
In HVAC industry, the PAL prefabricated insulated duct system is more than a product. It stands for a new construction concept: shifting from on-site fabrication to modular assembly. Built with PIR or phenolic foam core and double-sided aluminium foil, it differs greatly from traditional galvanized steel ducts in material performance and construction mode.
Traditional duct systems need separate delivery of steel sheets, insulation materials, adhesives and fittings. They take up large space and are easily damaged.
Polyurethane foam Ductwork feature a density of about 50 kg/m³. Finished ducts weigh just 15% of galvanized steel ducts. This lowers transportation cost per unit area and reduces construction site storage space by over 60%.
The performance advantage of Polyurethane foam Ductwork
Good Air tightness:
The Polyurethane foam Ductwork can form a good sealing effect after splicing, effectively preventing air leakage. When the system is in operation, it can ensure a stable ventilation volume, maintain good indoor air circulation and uniform temperature distribution, guarantee indoor air quality, and at the same time improve the overall operational efficiency of the air conditioning system.
Reliable fire resistance:
The polyurethane material used is flame-retardant, and the fire resistance rating of some products can reach B1 level. It has low smoke production and can effectively prevent the spread of fire, buying time for personnel evacuation and fire rescue. It complies with relevant building fire protection regulations and is suitable for places with high requirements for fire safety.
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