PU Duct Foam Board
It is a high-performance ventilation duct product, which is widely used in HVAC systems. The following is a detailed introduction:
Basic Structure: It is a sandwich structured panel. The core is polyurethane (PU) foam, which is a closed-cell insulating material. The two outer layers are aluminum sheets or aluminum foils.
Panel Structure: Silver Alu. Foil/ PU Foam/ Silver Alu. Foil
Foam Density: 50kg/CBM
Panel Dimension: 3950mm*1200mm*20mm
Alu. Foil: 60 or 80 Micron (Embossed)
Fire Rating: Class 0 (BS476Part 6&7)
Main Production Process of PU Duct Foam Board
Structure and Material Characteristics of PU Duct Foam Board
Core Structure Design: Utilize a "aluminum foil / polyurethane foam / aluminum foil" composite structure. The panel is 60-80 microns of embossed aluminum foil or 150-200 microns of aluminum plate, and the core material is closed-cell polyurethane foam. The structure is stable and takes into account both protection and insulation functions.
Material Parameter Advantages: The closed-cell rate of the foam exceeds 90%, the water absorption rate is less than 0.3%, the compressive strength is ≥ 150 Kpa, and the dimensional change rate in the temperature range of -40℃ to 80℃ is less than 1%. It is not prone to deformation over a long period of use.
Environmental Material Assurance: Does not contain harmful substances such as CFC and HCFC, the formaldehyde release meets national standards, the VOC emission is low, and it meets indoor air quality standards and green building certification.
Key Performance Highlights of PU Duct Foam Board
High-efficiency insulation and energy saving: The thermal conductivity is much lower than that of traditional rubber and plastic, polystyrene boards, significantly reducing heat loss in ducts, helping to increase the energy efficiency of the air conditioning system, and the thermal conductivity performance shows no significant decline over 22 years.
Safe fire resistance characteristics: Meets the national standard B1 level of flame retardancy. Some high-end products can reach A level. When burning, it produces low smoke and low toxicity, complying with building fire protection regulations, suitable for densely populated areas.
Multi-functional protection: The aluminum foil panel is corrosion-resistant and moisture-proof, the core material can absorb vibrations and echoes, achieving significant noise reduction and sound insulation effects, while preventing the growth of bacteria and mold, ensuring air quality.
Installation and Maintenance Advantages of PU Duct Foam Board
Efficient and convenient installation: The weight is only 1/10 - 1/6 of that of traditional metal ducts. No heavy equipment is required. The cutting and splicing process is simple, and the installation cycle is shortened by more than 30%, reducing construction costs.
Low maintenance cost: The aluminum foil panels are not prone to rust or damage. The core material has strong chemical stability and is resistant to acid and alkali corrosion. The service life can reach over 20 years. In the later stage, additional maintenance is basically not required.
Installation precautions: Special cutting tools must be used to ensure sealing. The joint areas need to be treated with matching sealing glue and aluminum foil strips to avoid thermal bridge effect caused by direct metal contact with foam.
Market Competition and Value of PU Duct Foam Board
Comparison with traditional duct advantages: Compared to galvanized iron sheet ducts, no additional insulation layer is required, installation is completed in one step, and the light weight reduces building load and reduces the consumption of non-ferrous metals.
Overall cost advantages: Although the initial procurement cost is slightly higher than that of traditional materials, the long-term comprehensive costs for installation, energy saving and maintenance are lower, with outstanding cost performance.
Market demand trend: With the promotion of energy-saving and emission reduction policies, the application proportion in HVAC system renovations and new projects continues to increase, especially favored by green building projects.
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