Harmonized Tariff Schedule of the U.S. › Chapter 28 Inorganic chemicals; compounds of precious metals, rare-earth metals, radioactive elements or isotopes
2810.00.00.00Tariff line
Classification path
Oxides of boron; boric acids
2810.00.00.00
Rates of duty
General rate (Column 1)1.5%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 28.5%
Unitt
Free (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1392
Measure flags
for origin CN, entry date 2026-10-25 · base rate 1.5%
- 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 2810.00.00 is on L3
- PGAFDA FD1EPA EP5EPA EP7
Confirmed total 39% · max 39%Full duty breakdown →