Harmonized Tariff Schedule of the U.S. › Chapter 28 Inorganic chemicals; compounds of precious metals, rare-earth metals, radioactive elements or isotopes
2815.20.00.50Tariff line
Classification path
Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium
2815
Potassium hydroxide (Caustic potash)
In solid form
2815.20.00.50
Rates of duty
General rate (Column 1)Free
Special—
Column 22.2¢/kg
Unitkg
Printed page 1396
Measure flags
for origin CN, entry date 2026-10-25 · base rate Free
- Section 301 forced-labor tariff (12.5%)9903.05.86ExemptexemptOn the note 52(b) general exemption list (exempt by HTS line; enter under 9903.05.86)
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2815.20.00 is on L3
- PGAFDA FD3EPA EP7
Confirmed total 25% · max 25%Full duty breakdown →