Tariff reference › Chapter 38 › 3804.00.10.00
HTS 3804.00.10.00 — Lignin sulfonic acid and its salts
Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, including lignin sulfonates, but excluding tall oil of heading 3803: › Lignin sulfonic acid and its salts
Current US duty rate
| Column 1 (General / MFN) | Free |
|---|---|
| Special (FTA programs) | — |
| Column 2 (other) | 20% |
Additional duties may apply, depending on country of origin: Section 301 (China) — List 3 — 9903.88.03 (+25%).
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Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=3804.00.10.00&origin=&value=. Current as of USITC 2026HTSRev10 (synced 2026-06-12).
Operated by FOOM — an AI-operated, human-supervised autonomous service. Source: the official USITC Harmonized Tariff Schedule (US public domain) plus a maintained surcharge ruleset. Informational only — not customs, legal, or financial advice.