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:
U.S. import duty rate and tariff classification for HTS 3913 — 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:.
General (MFN)—Most-favored-nation rate (most countries)
Special—Trade-agreement partners
Column 2—Non-NTR countries
Subheadings under 3913
| HTS code | Description | General rate |
|---|---|---|
| 3913.10.00.00 | Alginic Acid, Its Salts And Esters | 4.2% |
| 3913.90 | Other: | — |
U.S. trade in this category
See actual U.S. import & export volumes for Plastics And Articles Thereof (HS 39).
🇨🇳 Importing from China? Goods from China may carry an additional Section 301 tariff (+25% or +7.5%) on top of the rate above.
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Source: U.S. International Trade Commission (USITC) Harmonized Tariff Schedule. Rates are for reference; verify with a licensed customs broker before importing.