Product Description He film is made by biaxial-orientation tenter process. The film features excellent Profile evenness, high mechanical strength Thickness (μ M) 4D, 5D, 6.0, 7D, 7.0, 7.5D, 8D, 8.0, 9.0, 10, 12, 15, 18, 20. (Note: Symbol "D"=standard thickness-0.2, for example: 4D=3.8μ M) Width (μ M) 500, 620 Roll (OD) (mm) 350, 405, 440 Core (ID) (mm) Paper core, 76, 152 Corona treatment surface ...