Harmonized Tariff Schedule of the U.S. › Chapter 28 Inorganic chemicals; compounds of precious metals, rare-earth metals, radioactive elements or isotopes
2833.30.00.00Tariff line
Classification path
Sulfates; alums; peroxosulfates (persulfates)
2833
Alums
2833.30.00.00
Rates of duty
General rate (Column 1)1.6%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 225%
Unitkg
Free (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1407
Measure flags
for origin CN, entry date 2026-10-26 · base rate 1.6%
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2833.30.00 is on L3
- PGAFDA FD3EPA EP7
Confirmed total 39.1% · max 39.1%Full duty breakdown →