United States · Heading· 2 subheadings· 6 codes

3913Natural 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

Subheadings (6-digit WCO)

United States tariff lines (10-digit)

All national sub-divisions in United States's tariff schedule

HS CodeDescriptionPrimary rate
3913.10.00.00Alginic acid, its salts and esters4.2%
3913.90.10.00Chemical derivatives of natural rubberFree
3913.90.20Polysaccharides and their derivatives5.8%
3913.90.20.15Xanthan gum5.8%
3913.90.20.90Other5.8%
3913.90.50.00Other6.5%
United States HS 3913 · Natural polymers (for example, alginic acid) and modified na · Treayo