High Purity APFOS for Firefighting Foam Production from Mexico
Ultra-high purity ammonium perfluorooctane sulfonate specifically for AFFF concentrate production, under HTS 2904.32.00.00 as a chemically defined fluorosulfonate. End-use as firefighting surfactant does not affect pure compound classification.
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
• Obtain waivers for legacy AFFF use if importing for military/fire service; provide NFPA 11 compliance documentation; track PFOA/PFOS phase-out deadlines