Structural Composition of PU Pre Insulated Panel
Core Material: Polyurethane foam is usually used as the core material. Polyurethane foam features a closed-cell structure, where independent bubbles are isolated from each other, effectively preventing the transfer of heat, sound, and moisture.Its density generally 50 kg/m³.
Surface Layer: Common surface materials include aluminum foil, aluminum sheets, and color-coated steel sheets. Aluminum foil surface layers have excellent moisture resistance and heat reflection properties, which can enhance the thermal insulation performance of the panels. Aluminum sheets and color-coated steel sheets, on the other hand, offer higher strength and durability, providing better protection and decorative effects.
Performance Characteristics of PU Pre Insulated Panel
Excellent Thermal Insulation: With a low thermal conductivity of 0.02W/(m・K), it effectively reduces heat transfer and lowers building energy consumption.
Good Sound Insulation: The closed-cell polyurethane foam can absorb and block sound, reduce noise pollution, and create a quiet indoor environment.
Lightweight yet High-Strength: Significantly lighter than traditional materials such as concrete and masonry, while possessing high strength and rigidity for easy handling and installation.
Waterproof and Moisture-Resistant: Polyurethane foam itself has excellent water resistance; combined with surface layer protection, it effectively prevents moisture penetration and avoids mold and decay.
Fire Resistance: After special treatment, it has certain fire resistance capabilities, which can delay the spread of fire and improve the fire safety level of buildings.
Easy Installation: Adopting a modular design, panels can be quickly spliced through dedicated connection methods, greatly shortening the construction period.
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