... (PET) roasting painting B) Core: Normal polyethylene ,fireproof polyethylene C) Back: Aluminum sheet coated with polyester resin ... CoatingPVDF28~35 Um ,KYNAR500 PPGPE18 MICRON PolyesterSurface TreatmentPVDF/PE coating, Brush, Mirror, Wooden, Marble, Nano etcBackPrimer8 ... ~35 Um ,KYNAR500 PPGPE18 MICRON PolyesterSurface TreatmentPVDF/PE coating, Brush, Mirror, Wooden, Marble, Nano etcBackPrimer8 ...