Perfluorooctane Sulfonyl Fluoride with Stabilizer from Mexico
Stabilized perfluorooctane sulfonyl fluoride containing added inhibitors for transport safety, still classified under HTS 2904.36.00.00 per Chapter 29 note (f) allowing stabilizers. The core compound remains the chemically defined C8F17SO2F used in fluoropolymer manufacturing.
Duty Rate — Mexico → United States
13.7%
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 stabilizer addition as solely for safety/transport per Chapter 29 note (f) to maintain classification
• Declare exact stabilizer composition (<1%) to avoid mixture classification under 3824
• Monitor for Stockholm Convention restrictions on PFOS precursors in certain markets