Technical Grade Ammonium Perfluorooctane Sulfonate 98% from China
Technical grade APFOS at 98% purity with minor impurities, still classified as a separate chemically defined organic compound under HTS 2904.32.00.00 per Chapter 29 note (a). Used in industrial wetting agent formulations as a perfluorosulfonate salt.
Duty Rate — China → United States
41.2%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
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)
Import Tips
• Include assay reports confirming ≥98% purity to avoid reclassification; check for Stockholm Convention restrictions; use UN-approved packaging for corrosive fluorochemicals