3908.90.20

Analysis

HTS 3908.90.20 covers bis(4-amino-3-methylcyclohexyl)methane- isophthalic acid-laurolactam copolymer under heading 3908 (polyamides in primary forms).

Neighbouring lines carry rates from 6.3% to 6.5%, so the exact line matters. The widest gap is with 3908.90.70 (other: other), at 6.5%: a product that belongs there but is entered here, or the reverse, changes the duty by 6.5 percentage points.

Goods classified here enter the United States duty-free at the general (normal trade relations) rate, as do about 13% of the 236 tariff lines in chapter 39. Chapter 99 measures such as Section 301 or 232 can still apply on top, depending on where the goods come from.

The other lines in the same group are 3908.10.00 (polyamide-6, -11, -12, -6,6, -6,9, -6,10 or -6,12, 6.3%) and 3908.90.70 (other: other, 6.5%).

Census statistics map these goods to NAICS 325211 (Plastics Material and Resin Manufacturing), an industry of 1,285 US establishments employing 88,827 people. That is the industry code a US manufacturer of the same product would normally use.

The general rate of Free has not changed in any edition of the schedule since Jan 2023.