Harmonized Tariff Schedule of the U.S. › Chapter 35 Albuminoidal substances; modified starches; glues; enzymes
3504.00.10.00Tariff line
Classification path
Peptones and their derivatives; other protein substances and their derivatives, not elsewhere specified or included; hide powder, whether or not chromed
3504
Protein isolates
3504.00.10.00
Rates of duty
General rate (Column 1)5%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 220%
Unitkg
Free (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1639
Measure flags
for origin CN, entry date 2026-10-26 · base rate 5%
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 4A (9903.88.15)9903.88.15Applies+7.5%8-digit subheading 3504.00.10 is on L4A
- AD/CVD: 2 orders in placeConditional—Cash deposits follow the company-specific rate (ACE case module). Coverage depends on each order's scope. The table below lists case numbers, status and the all-others rate. The all-others deposit rate is counted in the maximum exposure, not in the confirmed total.
- AD/CVD 2 casesConditionalAD 269.77% + CVD 15.84%A570154 / C570155
- PGAFDA FD3APHIS Core AQ1AMS AM7
Confirmed total 25% · max 310.61%Full duty breakdown →