Integrated wall and suspended ceiling material Product Specification Overall thickness1.23mm Aluminium sheet0.5mm PU foaming layer1.0mm PVC film0.18mm Width400mm, 450mm, 550mm Length2440mm, 3000mm Aluminium sheet densityg/cm3 PU layer densityg/cm3 ItemStandardUnitResult Fire behaviorClass B1 Sound insulationdB29 Heat conducting efficiencyGB/T 10297-1998 (25â??)W/m.K0.0198 Water absorption (PU core)GB/T 8810-2005%1.30 Compression strengthGB/T 8813-2008MPa0.21 ImpermeabilityJC/T 998-2006mm1.50 Horizontal firing average burning timeGB/T 8332-2008s20.1 Horizontal firing average burning scopeGB/T 8332-2008mm23.0 Oxygen indexGB/T 2406.2-2009%26.2 Bending resistanceJC/T 868-2000Kn/m²1.46 Cohesion strengthJC/T 868-2000MPa0.14 VOCCA Section 01350Pass