... . ID Core Material: paper,aluminium,steel,plastic 1) Chemical ingredients: According with the rules of GB /T3190 2) ... :No crack, selvedge, canker, hole PRODUCT DESCRIPTION Aluminum Alloy Strips Alloy 1050,1060,1070,1100,1145,1235 O,H12,H22 ... in Construction , decoration,packaging, printing, cover material,piping, electronic elements, referigeration, air conditioner, automobile, and so on.SurfaceMill ...