Industrial Potassium Perfluorooctanesulfonate Crystals from Canada
Crystalline potassium PFOS for industrial wetting agent production, meeting purity specs for surfactants. HTS 2904.34.00.00 specifically covers this potassium salt as a perfluoroalkyl sulfonated derivative. Remains in Chapter 29 as chemically defined, not a preparation.
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
• Declare intended industrial application to avoid consumer goods restrictions; ensure DOT/ADR transport compliance
• Pitfall: bulk packaging without stabilizers may require Chapter 29 note (f) justification