3920 6219 28

3920621928

Non-transparent poly(ethylene terephthalate) film: -each outer layer with a thickness of 7 nm or more but not more than 80 nm, -with a tensile strength of 300 N/cm or more (ASTM D-882), -with a total thickness of 200 µm or more but not more than 350 µm, and -with a width of 600 mm or more but not more than 1 600 mm - covered on one side with a layer of a fluoropolymer, and on the other side with an adhesive and a layer of polyvinylidene difluoride, or coated on both sides with polyvinylidene difluoride or polyvinyl fluoride based on fluorinated polymer composites