... name: dinghePlace of origin: zhejiang, China (mainland, Southeast coastal area)Color: Silver, copper, blue or as per the customer’s Appearance ... and without wrinkles and piebaldKind: Single-sided aluminum foil, double-sided aluminum foil, colored foil, aluminum composite belt, PET polyester tapeThickness: 20um ( ... performance 0.1mol/L,Hcl,480hclassgrade 7 Professional Food Packaging Aluminium Foil