... 3)weather resistance 4)easy to maintain and install Aluminum sandwich panel(1) Standard size: width1220mmxlenth2440xthickness3mm width 1220mmxlenth2440xthickness4mm Max width:1550mm Max ... fabr,Strong peel strengt , Stain resistance,Light weight,durable (6)Panel total thickness:3mm(interior,polyester or PVDF) 4mm(exterior,polyester ...