External walls of polyurethane insulation board: 18240214099 
 Material: fiber cement board, polyurethane thermal conductivity of 0.016-0.024 (W / (m.K)) 
 Maximum operating temperature: 90 (° C) 
 Fiber cement polyurethane insulation composite panels is a strong fiber cement layer, the polyurethane foam layer, the pro-and interface layer composed of lightweight materials, not only has the thermal insulation properties of the polyurethane and aluminum polyurethane insulation Decorative composite board construction techniques are basically the same board, though not decorative, but with the final construction finishes to choose the arbitrary, can be sprayed, and tiling. 
 Specifications: fiber cement board thickness: 5 mm 
 PU thickness: 20mm 25 mm 30 mm 40 mm 45 mm 
 Total thickness: 25mm 30 mm 35 mm 45 mm 50 mm 
 Finished standard size: 600 mm × 1200 mm 
 600 mm x 900 mm 
 Performance indicators (Executive Standard: Q / HXD 002-2008) 
 Project unit standard surface density of g-cM31.3-1.6 
 Rigid foam density kg-M340-45 
 Rigid foam thermal conductivity coefficient w / m.? K0.016 - 0.024 
 Tensile strength Mpa ≥ 0.2 (core material destruction) 
 The bond strength Mpa ≥ 0.2 (core material damage) 
 Weathering after 30 freeze-thaw cycles, no cracking, hollowing, shedding any damage 
 Oxygen index ≥ 26 
 Compressive strength Kpa ≥ 200 
 Flexural strength kpa> 16 
 Impact resistance Kpa50kg.cm not deformed, no cracks in dimensional stability of 70 ° C, 48h <1 wind pressure value the kpa less than the project wind load design values ??obturator rate ≥ 95 surface layer of radioactive standard (GB6566-2000 ) the appearance of cracks from the dark, flaking phenomenon 
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