Harmonized Tariff Schedule of the U.S. › Chapter 28 Inorganic chemicals; compounds of precious metals, rare-earth metals, radioactive elements or isotopes
2840.11.00.00Tariff line
Classification path
Borates; peroxoborates (perborates)
2840
Disodium tetraborate (refined borax)
Anhydrous
2840.11.00.00
Rates of duty
General rate (Column 1)0.3%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 21.2%
Unitkg
Free (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1413
Measure flags
for origin CN, entry date 2026-10-25 · base rate 0.3%
- 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 2840.11.00 is on L3
- PGAEPA EP7
Confirmed total 37.8% · max 37.8%Full duty breakdown →