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391390Chapter 39

391390Natural 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.

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

Go beyond the code

Find verified importers of 391390Natural polymers (for example, alginic acid) and modified natural polymers (for…: Other by country, with live tariff context, OFAC sanctions screening, and ready-to-send outreach — each result confidence-tagged.

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