Thanks to its excellent products and quality services, UNT Duct is one of the leading polyurethane pid panel 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 PID Panel

Composed of polyurethane foam core with double-sided aluminum foil or aluminum sheet facings, this eco-friendly Polyurethane PID Panel delivers outstanding energy-saving effects and is widely applied in various HVAC duct systems.
Compared with conventional galvanized steel ducts, our pre-insulated HVAC ducts feature superior performance, lightweight structure and high rigidity.
They adopt simple one-step installation to greatly boost construction efficiency, and have gained growing global popularity. To meet diverse project demands, the panel surface is available in multiple options: 60/80μm aluminum foil, 150μm aluminum sheet and pre-painted galvanized steel sheet.
Panel Structure: Silver Alu. / PU Foam / Silver Alu. Sheet
Foam Density: 48kg/M3
Panel Dimension: 3950mm*1200mm*20mm
Alu. Foil: 60 Micron (Embossed)
Why choose Polyurethane PID Panel?
1. Excellent Energy-saving Insulation
Adopting patented water foaming PU core, it features ultra-low thermal conductivity of 0.020 W/(m·K). 20mm panel equals the insulation effect of 30mm traditional rubber material. With over 95% closed cell structure, it resists moisture and condensation, stably working within -40℃ to 80℃. It effectively cuts HVAC energy loss and saves 20%-30% long-term operating costs.
2. High Airtightness & Sanitary Performance
It meets European Class C airtightness standard EN 13403, keeping zero air leakage under ±2000Pa pressure. Optimized joint structure greatly reduces air leakage rate. Smooth antibacterial aluminum foil surface prevents dust and mold growth, easy to clean and maintain. Self-cleaning coated types are available for hospital, food factory and pharmaceutical workshops.
3. High Strength & Ultra-long Service Life
Possessing stable bending and compression strength, the panel features outstanding corrosion resistance and seismic resistance. Different surface treatments adapt to various harsh working conditions. Free from rust and aging issues of galvanized steel ducts, it needs little maintenance and can serve up to 20 years.
4. Fast Installation & Strong Adaptability
Lighter than traditional metal ducts, it lowers building load and shortens construction period by 40%-60%. It supports factory prefabrication and flexible on-site assembly, available in multiple shapes and specifications. It fits narrow ceiling space, new construction and renovation projects such as data centers.
5. Green Material & Reliable Fire Safety
Adopting ozone-friendly water-based foaming formula with zero ODP and GWP, it complies with EU RoHS and green building norms. It reaches EN 13501-1 Class B fire grade with low smoke and low toxicity, ensuring high safety for indoor ventilation systems.
6. Superior Comprehensive Economic Benefit
Though slightly higher in initial cost, the product features long service life, low energy consumption and nearly zero maintenance cost, bringing remarkable return on investment. Its light weight also saves logistics and construction costs, ideal for commercial and industrial HVAC projects.

F A Q

1. Available Colors
Classic colors like silver, grey and black are readily available. Custom colors can be tailored upon request with your specified Pantone codes.
2. Packaging Options
Custom printed color boxes with user manuals and inner inserts are supported. Standard white/brown cartons and egg crate packaging are also provided as options.
3. Customization Service
We offer full OEM & ODM support. New molds can be developed based on your 3D drawings, with custom logo printing, color matching and packaging solutions available.
4. Shipping Terms
Flexible trade terms are offered, including EXW, FOB, CFR and DDP, to help you choose the most cost-effective shipping solution.
5. UNT Contact Information
Tel: 0086-592-6519651 Mob/WhatsApp: +86-180-3020-3646 (Hardy) / +86-150-8036-7961 (Allen) Website: https://www.untduct.com/
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