... Appearance: straight, smooth, uniform, free of impurities and without wrinkles and piebaldKind: Single-sided aluminum foil, double-sided aluminum ... IndexExterior/straight, smooth, uniform, free of impurities and without wrinkles and piebaldLengthm1000---5000Widthmm0.6---110Thicknessmm0120 or 0.310Tensile strengthMpa≥100Elongation ... performance 0.1mol/L,Hcl,480hclassgrade 7 High-quality pet alu pe film