HS code 391310: Alginic Acid
- Covers:
- Natural polymers (for example, alginic acid) and modified natural polymers (for example…
- Listed US duty:
- 4.2% (US general rate, HTS 2026)
Official 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 : Alginic acid, its salts and esters
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What 391310 covers and what it doesn’t
Official text: 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 › Alginic acid, its salts and esters.
Nearby codes to check
US duty rate
4.2%
General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.
Who imports under 391310
EximAgent lists companies with recorded shipments under this code, built from customs records, with who they buy from and how often. See importers of 391310 →
Common questions
- What is HS code 391310?
- 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 : Alginic acid, its salts and esters
- What duty rates apply to 391310?
- Listed duty rates range from 4.2% across 1 country rate.
Browse all of Chapter 39: Plastics and articles thereof →
Go beyond the code
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