SpecFeature : Artistic CeilingsShape : RectangleType : Metal CeilingsKey Features ALUMINUM COMPOSITE PANEL The front side : Aluminum coated with polyester resin or PVDF resin.     Core : Nontoxic low density polyethylene (LDPE).    The back side : Aluminum coated with polyester resin or in mill finish.     STANDARD SPECIFICATIONS     Thickness : 2mm, 3mm, 4mm & 6mm     Width : 1220mm, 1250mm , 1575mm ,2020mm    Length : 2440mm, 3050mm & 3200mm (max.5meter)     Additional colors are available upon customers`request. Material:  a) Front: aluminum alloy sheet coated with fluoro-carbon resin  (PVDF) or polyester resin (PE) roasting painting  b) Core: Normal PE Core (Fire class B2) / Fire Resistance PE Core (Fire class B1) c) Back: aluminum alloy sheet coated with protective film d) Aluminum alloy sheet optional thickness: 0.08mm, 0.1mm, 0.12mm, 0.15mm, 0.18mm 0.21mm, 0.3mm, 0.4mm, 0.45mm, and 0.5mm available.