... 2mm colour-coated panel/zinc plate, hot galvanized plate/stainless steel panel2. Core material---The density of this( ... to customer' s requestmaterialsPolystyrene foam board(EPS), Color steel sheet,Rock woolStructureUpper and lower layer: Color steel sheetMiddle: ... wool, Glass wool,PU, PUR Surface materials: PPGI, GI, Stainless steel sheet, galvalume sheets, prinpia, PVC, and veneer2. Specification: (L ...