APFOS Stabilized Flake Form from Mexico
Ammonium perfluorooctane sulfonate flakes with added stabilizer for safe transport, classified under HTS 2904.32.00.00 per Chapter 29 note (f). The stabilizer preserves the pure compound without altering its primary chemical identity as a perfluorosulfonate salt.
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 solely for preservation per Chapter 29 note (f); comply with REACH Annex XVII PFOS limits if transshipping through EU; segregate from incompatible materials