High Purity APFOS for Firefighting Foam Production from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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