HTS 28259030 — Tungsten oxides
HTS 28259030 sits inside heading 2825 (“Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides”) of Chapter 28 — Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes. For imports under this line, a general tariff of 5.5% applies. Preferential treatment is available under Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P, PA,PE,S,SG).
Tariff rates for 28259030
| Rate type | Rate | Notes |
|---|---|---|
| General (Column 1) | 5.5% | Applies to countries without a preferential agreement, i.e. about 5.5% ad valorem on the customs value. |
| Special | Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P, PA,PE,S,SG) | Reduced or free rates for designated program countries (see code legend on the USITC site). |
| Column 2 | 45.5% | Statutory rate applied to the few economies without normal-trade-relations status. |
Reporting units
Entry summaries for 28259030 must be declared in: kg; W kg (kg = kilograms). Compound reporting means quantity is stated in more than one measure (for example pieces plus kilograms); both numbers go on the entry.
Frequently asked questions
What is the duty rate for HTS 28259030?
28259030 carries a Column 1 general rate of 5.5%. The full official line, including special program rates and the Column 2 statutory rate, is reproduced above from the USITC schedule.
How do I classify 28259030 for US customs?
Classification follows the hierarchy shown in the breadcrumb above: Chapter 28, heading 2825, then this 8-digit statistical line. Confirm the tariff text matches your goods before entry; use our duty calculator to estimate landed cost including the 5.5% general rate.
Is there a Section 301 tariff on 28259030?
Section 301 actions apply by exact HTS line. This page shows the permanent schedule rate (5.5%) for 28259030; check the current 301 annexes or our dedicated Section 301 tariffs guide to see whether trade-remedy duties stack on top for your origin country.
Related pages & tools
Data as of October 9, 2026 · Source: USITC Harmonized Tariff Schedule (line 2825.90.30.00). Rates are informational and not a binding customs ruling.