Lithium Perfluorooctane Sulfonate Stabilized Flake from Mexico
Stabilized flake form of lithium PFOS with minimal anticaking agent for safe transport. Allowed under Chapter 29 note (f) as stabilizer necessary for preservation; principal compound remains HTS 2904.33.00.00. Maintains classification as chemically defined PFOS lithium salt.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Document stabilizer content (<1%) to qualify under Chapter note (f) exception
• Use NA1993 proper shipping name for fluorosurfactant transport compliance
• Avoid water-dissolved forms exceeding note (d) limits to prevent 3824 reclassification