... panel: 950mm 980mmLengthAccording to customer' s requestmaterialsPolystyrene foam board(EPS), Color steel sheet,Rock woolStructureUpper and lower layer ... wool 120-250kg/m3,EPS 12-35kg/m3,PU 35-50kg/m3Conventional colorOcean blue, tephrosiouslifetime15~20 yearsCharacterLight ... Composition: Core materials: EPS, XPS,Rok wool, Glass wool,PU, PUR Surface materials: PPGI, GI, Stainless steel sheet, ...