HTS 3504.00.10 duty rate

Peptones and their derivatives; other protein substances and their derivatives, …: Protein iso…. General duty 5%; for goods of Chinese origin, general + Section 301 (+7.5%) comes to 12.5% before any other duties.

5%General (MFN) duty rate

List 4A +7.5%Section 301, products of China

12.5%General + Section 301 for China, ad valorem

20%Column 2 (Cuba, North Korea, Russia, Belarus)

Official USITC Harmonized Tariff Schedule, 2026HTSRev20 · data built 2026-10-02 · check on hts.usitc.gov

Tariff line	3504.00.10
Description	Peptones and their derivatives; other protein substances and their derivatives, not elsewhere specified or included; hide powder, whether or not chromed: › Protein isolates
General rate	5%
Special rate (trade programs)	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Column 2 rate	20%
Units of quantity	kg
Section 301 (China)	List 4A +7.5%

Section 301 China tariffs on this line

Chapter 99 heading	List	Extra duty	Status
9903.88.15	List 4A	+7.5%	in effect

2026 US–China tariff reduction lists: The US–China reduction lists are not published yet. Dutyfinch checks the Federal Register every day and flags each code as soon as the list appears.

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Nearby tariff lines

3504.00.50

← 3503.00.55 · 3504.00.50 → · Heading 3504 · Chapter 35 · Chapter 35 rate summary

General information from the official US Harmonized Tariff Schedule (USITC) and Federal Register; not legal or customs advice. Section 232, IEEPA, antidumping/countervailing and other duties can also apply. Confirm classification and rates with CBP or a licensed customs broker before you file.