391390 — Natural polymers (for example, alginic acid) and modified natural polymers (for…: Other
HS code 391390 classifies Natural polymers (for example, alginic acid) and modified natural polymers (for…: Other. It belongs to Chapter 39 (Plastics and articles thereof) of Section VII (Plastics and articles thereof; rubber and articles thereof) of the Harmonized System. Duty rates are recorded for 1 country.
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Description
Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms : Other
Duty rates
US MFN base rate (HTS 2026, Column-1 General) — excludes Section 301 / IEEPA add-ons; not legal advice. Other countries’ rates and live duties via the EximAgent CLI.
- USUnited StatesFree–6.5%MFNas of Jan 1, 2026
Common questions
- What is HS code 391390?
- Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms : Other
- What duty rates apply to 391390?
- Listed US duty: Free–6.5% — see the duty-rates table for the full breakdown.
Browse all of Chapter 39: Plastics and articles thereof →
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