Vinylidene Fluoride Hexafluoropropylene Copolymer from Mexico
This copolymer (e.g., PVDF-HFP) combines vinylidene fluoride and hexafluoropropylene for flexible membranes in batteries. HTS 3904.90.5000 covers it as 'Other' halogenated olefin polymer in primary form, as comonomers don't meet 95% named copolymer criteria.
Duty Rate — Mexico → United States
16.5%
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
• Document exact comonomer ratios (<95% for each) via GPC/FTIR to justify 'Other' per subheading note (a)(2)
• Certify non-household use to avoid 3924 misclassification; include end-use declarations