PET Battery Separator Film from Mexico
Microporous polyester film used as separators in lithium-ion batteries, ensuring electrolyte flow and safety. Despite porosity, the noncellular structure predominates, and it is not reinforced, classifying it under tariff item 3920.69.00 for other polyesters.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the film's porosity does not make it cellular; if it is cellular, it may fall under heading 3921
• Provide evidence of the noncellular structure and polyester composition
• Ensure the film is not considered a part of an electrical article under Section XVI