HTS code 9902.11.39 covers "Hexanedioic acid, dihydrazide, polymer with 5-amino-1,3,3-trimethylcyclohexanemethanamine, 1,3-butanediol and 1,1'-methylenebis[4-isocyanatocyclohexane], methyl ethyl ketone oxime- and polyethylene glycol mono-methyl ether-blocked in aqueous solution (CAS No. 200295-51-8) (provided for in subheading 3909.50.50) " under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.