4MM Aluminum Composite Panel 1.PE/PVDF coated 2.width:1220/1250/1500 MM 2.Material: Aluminium& LDPE 3.ISO9001,CIQ,SONCAP 4MM Aluminum Composite Panel,Aluminium Composite Panel with PE or PVDF coated Material1.Front side:aluminum alloy sheet coated with fluoro-carbon resin(PVDF) and polyestor resin(PE) roasting painting.2.Core: LDPE plastic (fireproof material is ok)3.Back side:aluminum alloy ...