PFOS Potassium Salt Technical Grade 98% from China
Technical grade potassium perfluorooctane sulfonate with 98% purity, used in manufacturing fire-fighting foams and coatings. Falls under HTS 2904.34.00.00 due to its specific chemical identity as a perfluorooctane sulfonate salt. Exclusively covers chemically defined sulfonated/halogenated hydrocarbons per Chapter 29 notes.
Duty Rate — China → United States
41.2%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Obtain EPA TSCA certification for US imports; declare exact purity and impurities
• Common pitfall: mislabeling as 'fluorosurfactant' instead of chemical name triggers scrutiny