Harmonized Tariff Schedule of the U.S. › Chapter 39 Plastics and articles thereof
3913.10.00.00Tariff line
Classification path
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
3913
Alginic acid, its salts and esters
3913.10.00.00
Rates of duty
- General rate (Column 1)
- 4.2%
- Special
- Free (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
- Column 2
- 25%
- Unit
- kg
- Printed page
- 1701
Measure flagsfor origin CN
- Section 301 China, L4A9903.88.15 · 7.5%; exclusion: 9903.88.69 (Sodium alginate resins (CAS No. 9005-38-3), until 2026-11-09)
- Partner government agency (PGA) requirementsFDA FD3