Standard: according to GB/T 17748-1999 standardMaterial: a) Front: aluminum alloy sheet coated with fluoro-carbon resin    (PVDF) and polyester resin (PE) roasting paintingb) Core: nontoxic polyethylene.c) Back: aluminum alloy sheet coated with polyester resin painting d) Surface finish: treated with PVDF and PE resin rolling roasting .   coating e) Surface coating thickness: 30umf) Aluminum alloy sheet thickness: 0.1mm,Website: , 0.12mm, 0.15mm, 0.2mm,    0.3mm, 0.4mm, 0.45mm, 0.5mmDimensions: a) Thickness: 3mm, 4mmb) Width: 1220mm 1500mm..c) Length: 2440mm, 3200mm, 4000mm,5000mm (max: 6 meter) d) Weight: 5.5kg/sqm based on 4mm thickness.e) Standard size: 1220 x 2440mm f) Nonstandard sizes are available according to requirement of customersApplication scope:1) Building exterior curtain walls..2) Decoration and renovation additions for old buildings3) Decoration of interior walls, ceilings, bathrooms, kitchens and balconies4) Shop door decorations5) Advertisement board display platforms and signboards6) Wallboards and ceilings for tunnels..7) Industrial materials, materials for vehicles and boats