... ) roasting painting. B) Core: Normal polyethylene ,fireproof polyethylene C) Back: Aluminum sheet coated with polyester resin painting D) Surface finish: Treated with ... PVDF and PET resin rolling roasting coating E) Aluminum sheet thickness: , 0. 12mm, 0. 15mm, 0. 21mm, 0. 3mm, 0 ... -8000M2, 3mm panel-7000M2, 4mm panel-6000M2, 5mm panel-5000M2. Aluminum Composite Panels