38248700

HS code 3824.87.00.00 (Chapter 38 "Miscellaneous chemical products"; Heading 3824 "Prepared binders for foundry moulds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included"; Subheading 382487 "Containing perfluorooctane sulphonic acid, its salts, perfluorooctane sulphonamides, or perfluorooctane sulphonyl fluoride") under the United States tariff schedule classifies "Containing perfluorooctane sulfonic acid, its salts, perfluorooctane sulfonamides, or perfluorooctane sulfonyl fluoride". United States customs apply MFN rate of 3.7%, Column 2 rate 25%. Statutory unit of measure: kg. 18 free trade agreement preferential rates are available for this code.