Thanks to its excellent products and quality services, UNT Duct is one of the leading polyurethane foam insulation 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 Foam Insulation Panel
Polyurethane Foam Insulation Panel features low thermal conductivity, excellent heat preservation and sound insulation. It is lightweight, fire-resistant, waterproof and easy to install, widely used in buildings, cold storage and HVAC systems for long-lasting energy saving.
Structure: Silver Aluminum/ PU Foam/ Silver Aluminum
Size: 4000*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)
What is PU Pre-insulated Ductwork System?
The UNTDuct PU System stands apart as the most advanced and innovative pre-insulated air distribution ductwork solution worldwide. Proven for its ease of installation and maintenance, it represents a breakthrough in air distribution technology.
More than just pre-insulated PU aluminum panels, the UNTDuct PU Ductwork System is a comprehensive solution - complete with precision-engineered accessories, specialized machinery, purpose-built tools, and expert know-how - ensuring flawless construction and installation.
PU Panels
High-performance sandwich panels featuring rigid polyurethane (PU) insulation, fully clad with durable aluminum foil or aluminum sheets for superior duct construction.
Accessories:
Flanges, section bars, and specialized fittings designed for seamless duct joining and installation.
Equipment:
State-of-the-art bending machines, manual cuting tools and CNC Router Machine, enabling professional fabrication and installation-whether in a fully equipped workshop or directly on-site.
Know-How:
We provide unparalleled technical and commercial support to consultants and contractors, guaranteeing optimal system performance.
Material Molecular Structure of Polyurethane Foam Insulation Panel
Polyurethane insulation boards are formed by the foaming and polymerization of polyols and isocyanates. The closed-cell rate can reach over 92%, which is a key difference from ordinary insulation materials. The uniformly sealed micro-cell interiors contain stationary air, and the air's thermal conductivity is only 0.026 W/(m·K). Combined with the low thermal conductivity of the polyurethane substrate itself, the finished product's normal thermal conductivity stabilizes at 0.020 - 0.022 W/(m·K), far superior to materials such as rock wool and extruded polystyrene boards.
The fine and complete closed-cell structure ensures that the board's water absorption rate is less than 3%. Water vapor cannot penetrate into the micro-cell interiors, and it will not experience a sudden drop in insulation performance due to moisture absorption. It is suitable for special scenarios such as damp factories, underground machine rooms, and coastal high-humidity buildings. At the same time, the micro-cells support each other, allowing the board to maintain structural stability under lightweight conditions, without the problems of powdering or chipping.
Life Cycle Cost Perspective of Polyurethane Foam Insulation Panel
The cost per square meter for this type of board is slightly higher than that of traditional insulation materials, but the overall usage cost advantage is significant. First, at the construction level: The density of the board is approximately 40-45 kg/m³, which is lightweight and can be cut and spliced. The construction area per person per day can reach 80㎡, reducing labor costs by more than 30%, and no additional moisture-proof layer or leveling layer is required, simplifying the process.
In terms of energy consumption benefits: Taking commercial buildings in the south as an example, using this type of board reduces the building's air conditioning load by 25%-30%. Calculated based on 8 months of cooling and heating per year, the annual average electricity savings for a single building exceed 2000 kWh. The product has a normal service life of 25-30 years, and no renovation or replacement is required during this period. Compared with traditional insulation materials that need to be inspected and replaced every 5-8 years, the total cycle cost can be reduced by 40%, making it the preferred choice for cost reduction in industrial and commercial buildings.
Installation and Maintenance of Polyurethane Foam Insulation Panel
The panels are formed as a single piece, with a smooth surface. They can be paired with various finishes such as color steel, aluminum foil, and cement-based materials, meeting different decoration and protection requirements. Special sealing strips are provided at the joints to seal the gaps, with a sealing rate of less than 1%, eliminating the problem of cold and hot bridges.
Post-installation maintenance costs are almost zero: The panels are resistant to acid and alkali and anti-aging. After 3 years of outdoor use, the appearance and performance show less than 2% degradation. There is no need for regular application of protective paint or repair of gaps.
Compared with porous insulation materials that are prone to accumulate dust and mold, the polyurethane surface is cleanable with water, and can be easily cleaned with a simple wipe, making it particularly suitable for places with high cleanliness requirements such as food workshops and pharmaceutical factories.
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