Tandom · Duty calculator
Add country and invoice value for the full duty stack — base + 301 + 232 + AD/CVD + fees.
HTS 3806.30.00.00 is the U.S. Harmonized Tariff Schedule classification for Ester gums. It's a 10-digit statistical line in Chapter 38: Miscellaneous chemical products, Section VI: Products of the Chemical or Allied Industries, used by U.S. Customs and Border Protection to determine the duty rate at entry. No Chapter 99 tariff modifications (Section 301, Section 232, IEEPA) or AD/CVD orders currently flag this code in Tandom's catalog.
New to HTS codes? Read our guide on how HTS classification works →
Past CBP decisions classifying real products under this HTS code. Useful precedent when classifying a similar product — each ruling shows how CBP interpreted the code for a specific case.
Reconsideration of NY J80371; The tariff classification of Winlex 4101 from China.
The tariff classification of three polymerized rosin compounds from China.
The tariff classification of WINLEX 4101 and WINLEX 4110 from China.
The tariff classification of an Ester of Hydrogenated Rosin (CAS 65997-13-9) from Japan.
The tariff classification of Hydrogenated Rosin, Disproportionated GumRosin, Potassium Soap of Disproportioned Rosin, Glycerol Ester of Gum Rosin,Pentaerythritol Ester of Gum Rosin, Pentaerythritol Ester of Gum Rosin, MaleatedGum Rosin, Glycerol Ester of Maleated Gum Rosin, Pentaerythritol Ester ofMaleated Gum Rosin, Phenolic Glycerol Ester of Gum Rosin, PhenolicPentaerythritol Ester of Gum Rosin, Calcium Modified Rosin from China
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
HTS 3806.30.00.00 is the U.S. Harmonized Tariff Schedule classification for Ester gums. It belongs to Chapter 38 of the HTSUS.
The general (Column 1) duty rate for HTS 3806.30.00.00 is 6.5%. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
Yes. Imports of HTS 3806.30.00.00 from countries party to a trade program (such as USMCA, KORUS, GSP, or the African Growth and Opportunity Act) may qualify for the special rate: Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG). Eligibility depends on rules of origin and certification.
The Column 2 rate for HTS 3806.30.00.00 is 15.4¢/kg + 57%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Cuba and North Korea).
No active Chapter 99 tariff overlays (Section 301, Section 232, IEEPA reciprocal, etc.) currently flag HTS 3806.30.00.00 in Tandom's catalog. Use the calculator's date + origin inputs to confirm against any retroactive overlay you may be filing.
No active AD/CVD orders currently flag HTS 3806.30.00.00 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
Free Trade Agreement and special-program eligibility
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