Flexible PET Window Film from Mexico
Polyethylene terephthalate (PET) film (0.1mm thick) for residential window tinting to reduce UV exposure. HTS 3921.90.40 applies to this flexible, non-cellular plastic strip. Designed to roll easily without creasing.
Duty Rate — Mexico → United States
14.2%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit FTIR spectroscopy reports confirming PET polymer composition meets 95% monomer rule
• Avoid describing as 'rigid' in commercial invoices; flexibility is key for this subheading
• Check for chemical modifications; they may shift to 'Other' subheadings per Chapter 39 notes