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Home > HTS Codes > Chapter 39 > 3913

Custom Duty Rate for HTS Code 3913 : Natural polymers, e.g. alginic acid, and modified natural polymers, e.g. hardened proteins, chemical derivatives of natural rubber, n.e.s., in primary forms

Heading/SubheadingArticle DescriptionUnit of QuantityRates of Duty
12
GeneralSpecial
3913.10Alginic acid, its salts and esters, in primary forms
3913.10.00.00Alginic acid, its salts and esters, in primary formskg0.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
3913.90Natural polymers and modified natural polymers, e.g. hardened proteins, chemical derivatives of natural rubber, n.e.s., in primary forms (excluding alginic acid and its salts and esters)
3913.90.10.00Natural polymers, in primary forms, chemical derivatives of natural rubberkgFree20.00%
3913.90.20Natural or modified natural polymers, in primary forms, polysaccharides and their derivatives10.00%Free (A*,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)50.00%
3913.90.20.15Natural polymers, in primary forms, polysaccharides and their derivatives, xanthan gumkg
3913.90.20.90Natural polymers, in primary forms, polysaccharides and their derivatives, other than xanthan gumkg
3913.90.50.00Natural polymers, in primary forms, other than rubber derivatives or polysaccharideskg10.00%Free (A*,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)2.2¢/kg + 33.5%

Disclaimer: The HTS code data and duty rates shown on this page are sourced from the Harmonized Tariff Schedule of the United States, Revision 15 (2025), published by the U.S. International Trade Commission (USITC). This information is provided for general reference purposes only. Credlix is a trade finance platform, not a licensed customs broker, freight forwarder, or trade law firm. It makes no warranty, express or implied, regarding the accuracy, completeness, or fitness of this data. Always verify against the latest schedule at hts.usitc.gov before making any import decisions.

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