Polyurethane sandwich wall panels with metal sheet and polyurethane core for prefab house and cool roomProduct Description:Polyurethane(PU)sandwiched panel is composed of 2 layers of colored steel sheets and injected hard forms of polyurethane between 2 layers which feature fireproof materials. It is suitable for the various roofs and walls referring to the large-size factory buildings, storages, exhibition halls, gymnasiums, freezing stores, purifications workshops, etc, which features temp-keeping, heat insulation, weight-bearing, weatherproof with the rich colorfulness and good AppearancePolystyrene Sandwich Panel also called PU Sandwich Panel, the up & down surface of this panel is Galvanized & Pre-painted steel sheets, core material is 5 components Polyurethane glue, it is formed by heating, foaming & laminating. Polyurethane is the best material for temperature keeping and sound insulation. Advantages:1. Light in weight 2. Heat-insulation, good sound insulation3. Good durability,4. Fireproof 5. Competitive in price 6. Hot-dip Galvanized Steel Sheets then Color Coated7. Sound insulation Characteristics of PU insulated panels:1.Sandwich wall/roof panel has the following characteristics: light dead weight, high mechanical strength, excellent shearing resistant performance, strong corrosion resistance, high durability, and weather fastness, etc.2.The sandwich panel has excellent insulated performance: heat insulation, sound insulation, waterproof performance, etc.3.It is easy to install and can be used times over.Specification of PU panels:Effective widthWall panel: 1000mm Roof panel: 1000mmLengthAccording to customer's requestMaterialspolyurethane(PU), Color steel sheetStructureUpper and lower layer: Color steel sheetMiddle: polyurethane(PU)ThicknessColor steel sheet: 0.4-0.6mm Polystyrene foam board: 50mm 75mm 100mm 150mmThe polystyrene density42-45kg/m3Conventional colorOcean blue, whiteCharacterLight in weight, heat insulation, water resistant,green and environmentalUsevarious roofs and walls referring to the large size factorybuildings, storages, exhibition halls, gymnasiums etcDifferences between PU and EPS sandwich panels:PropertyUnitPU( polyurethane)EPS(foam)Thermal ConductivityW/m·k≤0.022≤0.042Compression StrengthMPA≥0.15≥0.1Water Absorption％＜3.0＜2.0Dimensional Stability％＜1.0＜4.0Flame RetardancySelf extinguishingSelf extinguishingFire ResistanceB2B2DensityKG/㎡40-458-25Convection Heat TransferYYBonding StrengthMPA＞0.15＞0.1Matching materials Our service:(1)One professional sales team will offer you full set service,no matter before or after-sales;(2)One rich experienced engineer and design team can offer you professional advice for both connection technology and building designs;(3)We are manufacturer,and surely can offer you competitive price for you projects.
