Sulfates; Alums; Peroxosulfates (persulfates):
U.S. import duty rate and tariff classification for HTS 2833 — Sulfates; Alums; Peroxosulfates (persulfates):.
General (MFN)—Most-favored-nation rate (most countries)
Special—Trade-agreement partners
Column 2—Non-NTR countries
Subheadings under 2833
| HTS code | Description | General rate |
|---|---|---|
| 2833.30.00.00 | Alums | 1.6% |
| 2833.40 | Peroxosulfates (persulfates): | — |
U.S. trade in this category
See actual U.S. import & export volumes for Inorg Chem; Prec & Rare-earth Met & Radioact Compd (HS 28).
🇨🇳 Importing from China? Goods from China may carry an additional Section 301 tariff (+25% or +7.5%) on top of the rate above.
Estimate the real landed cost →
Source: U.S. International Trade Commission (USITC) Harmonized Tariff Schedule. Rates are for reference; verify with a licensed customs broker before importing.