HTS heading
2815Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium:
Rates as published in 2026 HTS Revision 15, captured 2026-08-13. Source: USITC Harmonized Tariff Schedule.
Current duty rates (4 lines)
| Code | Description | General | Special | Column 2 |
|---|---|---|---|---|
| 2815.11.00.00 | Solid | Free | — | 1.1¢/kg |
| 2815.12.00.00 | In aqueous solution (Soda lye or liquid soda) | Free | — | 1.1¢/kg |
| 2815.20.00 | Potassium hydroxide (Caustic potash) | Free | — | 2.2¢/kg |
| 2815.30.00.00 | Peroxides of sodium or potassium | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |
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