... ) Physical property:The physical property testing of basis material under roomTemperature accords with the rules of GB / ... No crack, selvedge, canker, hole PRODUCT DESCRIPTION Aluminum Roofing Sheet Alloy 1050,1060,1070,1100,1145,1235 O,H12, ... Mainly used in Construction , decoration,packaging, printing, cover material,piping, electronic elements, referigeration, air conditioner, automobile, and ...