HTS code 3908.90.20.00 covers "Polyamides in primary forms › Other › Bis(4-amino-3-methylcyclohexyl)methane- isophthalic acid-laurolactam copolymer" 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.