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HTS 3913.90.20.90
Polysaccharides and their derivatives
Description
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 > Other > Polysaccharides and their derivatives > Other
| General duty (most countries) | 5.8% |
|---|---|
| Trade-deal rates | Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) |
| Column 2 (Cuba, North Korea, Russia, Belarus) | 50% |
| 6-digit HS code (international) | 3913.90 |
Estimated US duty by country of origin
Base rate plus the additional tariffs that apply today (China Section 301, the 2026 country tariff). Steel, aluminium and some other goods can owe more.
| Made in | Estimated duty | Made up of |
|---|---|---|
| China | 43.3% | 5.8% base · +25% China Section 301 List 3 · +12.5% 2026 country tariff |
| Vietnam | 18.3% | 5.8% base · +12.5% 2026 country tariff |
| India | 15.8% | 5.8% base · +10% 2026 country tariff |
| Bangladesh | 15.8% | 5.8% base · +10% 2026 country tariff |
| Pakistan | 15.8% | 5.8% base · +10% 2026 country tariff |
| Türkiye | 18.3% | 5.8% base · +12.5% 2026 country tariff |
| Mexico | 15.8% | 5.8% base · +10% 2026 country tariff Free under USMCA if the product qualifies |
| Canada | 15.8% | 5.8% base · +10% 2026 country tariff Free under USMCA if the product qualifies |
| United Kingdom | 15.8% | 5.8% base · +10% 2026 country tariff |
| Germany | 10% | 5.8% base · +4.2% 2026 country tariff (total at least 10%) |
| Italy | 10% | 5.8% base · +4.2% 2026 country tariff (total at least 10%) |
| Taiwan | 10% | 5.8% base · +4.2% 2026 country tariff (total at least 10%) |
| Japan | 12.5% | 5.8% base · +6.7% 2026 country tariff (total at least 12.5%) |
| South Korea | 12.5% | 5.8% base · +6.7% 2026 country tariff (total at least 12.5%) Free under US–Korea FTA if the product qualifies |
| Thailand | 18.3% | 5.8% base · +12.5% 2026 country tariff |
| Indonesia | 15.8% | 5.8% base · +10% 2026 country tariff |
Other codes under heading 3913
- 3913.10.00.00 · 4.2%Alginic acid, its salts and esters
- 3913.90.10.00 · FreeOther > Chemical derivatives of natural rubber
- 3913.90.20.15 · 5.8%Other > Polysaccharides and their derivatives > Xanthan gum
- 3913.90.50.00 · 6.5%Other > Other
Official US Harmonized Tariff Schedule, version of 2026-11-03.