HTS

Not legal advice. Tariffkit is a free research tool. It quotes HTS rate text and ECCN control text as published by the official sources linked here. It does not classify an item, does not apply rulings, and does not calculate duty. Verify the cited release with those sources and with counsel before you rely on it.

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:
3913.90 Other:

Polysaccharides and their derivatives

General: 5.8%
Special: Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Other: 50%

2026HTSRev19 · effective 09/15/2026

USITC HTS exportList for this linehts.usitc.gov
USITC release recordhts.usitc.gov

Stable link

This page quotes the loaded release. A shareable report freezes this text.

Back to search

Was this helpful?

A short note about this page. Not shown on the site.