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PUR Air Conditioning Ductwork
Commonly named PU aluminum foil duct board or PU sandwich duct panel, the PUR Air Conditioning 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: 40-45kg/m3
Aluminum Thickness: 0.06mm or 0.08mm
Aluminum Color: Silver
Packing: 10 sheets/ package
Loading Capacity: 710 sheets/ 40'HQ (packed with plastic bags)
660 sheets/ 40'HQ (packed with cardboard box)
Service Life, Environmental Protection and Hygiene of PUR Air Conditioning
Durability Performance Indicators
Benefiting from the stable cyclic macromolecular structure of PIR foam, its thermal conductivity variation is controlled within a maximum increase of 5% across 25 years, with a rated service life of 20–25 years. By contrast, galvanized steel ducts develop corrosion and air leakage after 5–8 years, and rock wool will pulverise and lose its insulating function within 5 years. The overall life-cycle replacement cost can be lowered by 70%.
Environmental Test Outcomes
No harmful substances such as formaldehyde or benzene are released, and asbestos is absent from the formulation. The material loss rate during foaming production stands at only 3%, and residual scraps are recyclable for secondary manufacturing. The product meets requirements to gain bonus credits for LEED certification and China Three-Star Green Building Evaluation.
Cleanliness Characteristics
The smooth antibacterial aluminium foil cladding on both sides reduces internal air flow resistance by 12% and inhibits dust accumulation and mould growth. It is applicable to purified ventilation systems for food factories and surgical operating rooms. Extra antibacterial inner lining coating is unnecessary, resulting in zero additional consumable costs for clean system construction.
Compliance Standards and Environmental Attributes of PUR Air Conditioning Ductwork
Safety Compliance: The fire resistance rating reaches non-flammable B1 level. It complies with international standards such as GB 8624-2012 and EN 45545, and the smoke toxicity meets the standards.
Environmental Safety: It does not contain harmful substances such as CFC, formaldehyde, and free benzene. It meets the environmental limit standards for building insulation materials and is green and pollution-free.
Scene Restrictions: It is not suitable for acidic or alkaline environments and smoke exhaust and prevention systems. In high-pressure scenarios, specialized reinforced products need to be selected.
How PUR Air Conditioning Ductwork Accelerates Installation Speed (For Contractors)?
1.The integrated all-in-one design omits on-site insulation wrapping, a necessary and time-consuming step for conventional GI ductwork.
2.Being around 70% lighter than galvanized steel, the panels simplify transport, lifting and manual handling with less manpower.
3.Standard factory sizes plus compatible flanges, sealants and fittings support direct grooving and assembly, without extra cutting of auxiliary materials.
4.Dedicated hand tools enable convenient on-site V-grooving, cutting and bending to quickly produce straight ducts, elbows, tees and other fittings.
5.It removes extra processes such as anti-rust painting and insulation fixing straps, avoiding constant construction interruptions.
6.Installation efficiency rises by 40%–60%, shortening the HVAC duct construction period and greatly saving labor hours.
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