3913 Natural polymers (e.g. alginic acid) and modified natural polymers (e.g. hardened proteins, chemical derivatives of natural rubber), n.e.c. or included, in primary forms
Customs Tariff · MFN rates · Chapter 39, Plastics and articles thereof
CodeDescriptionMFN rate
3913.10 Polymers, natural; alginic acid, its salts and esters, in primary forms
- 3913.10.00 Alginic acid, its salts and estersFree
3913.90 Polymers, natural and modified natural; in primary forms (excluding alginic acid, its salts and esters)
- 3913.90.00 OtherFree
MFN rates from the Customs Tariff as published, without preferences, quotas, trade remedies or additional measures. Inferred works those out for each product and origin. Whether a product from this heading qualifies for a lower rate depends on each agreement's product-specific rule for it, under the agreements we cover.
Every line in chapter 39