Aluminum Composite Panel with unbroken plastic core , Various Specifications, Widely Used exterior wall decorative DIMENSIONS of Aluminum ... Composite Panel:Thickness: 3 to 4mm Width: 1,220, 1,250, 1,270, 1,500, 1,550 and 1,570mmLength: 2 ... /T 17748-1999 and SGS KV-07-04992X standards Unbroken core aluminum Composite Panel