foomworks.

Tariff referenceChapter 38 › 3824.87.00.00

HTS 3824.87.00.00 — Containing perfluorooctane sulfonic acid, its salts, perfluorooctane sulfonamides, or perfluorooctane sulfonyl fluoride

The current US import duty for Containing perfluorooctane sulfonic acid, its salts, perfluorooctane sulfonamides, or perfluorooctane sulfonyl fluoride (HTS 3824.87.00.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.

Prepared binders for foundry molds 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: › Goods specified in subheading note 3 to this chapter: › Containing perfluorooctane sulfonic acid, its salts, perfluorooctane sulfonamides, or perfluorooctane sulfonyl fluoride

Current US duty rate

Column 1 (General / MFN)3.7%
Special (FTA programs)Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Column 2 (other)25%

No Chapter 99 (Section 301/232/122) cross-reference on this line; origin-specific surcharges may still apply — check the calculator.

Alert me when this code changes (free) See all recorded changes

Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=3824.87.00.00&origin=&value=. Current as of USITC 2026HTSRev13 (synced 2026-07-29).