... . (2) ACP panel Material A) Front: Aluminum alloy sheet coated with PVDF(HYLAR5000, KYNAR500) or ... 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, ... 4mm panel-6000M2, 5mm panel-5000M2. Aluminum Composite Panels