... weather resistance 4)easy to maintain and install Aluminum sandwich panel(1) Standard size: width1220mmxlenth2440xthickness3mm width 1220mmxlenth2440xthickness4mm Max ... peel strengt , Stain resistance,Light weight,durable (6)Panel total thickness:3mm(interior,polyester or PVDF) 4mm( ... in interior and exterior decoration of exhibitions,salons,store,office, blank,hotels,and,restaurant Dske and shelf ...