HTS 2825.90.30Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides:Other: Tungsten oxides

What that translates to:Tungsten oxides

Also written 28259030 or 2825.90.3000. Rates as CBP is collecting them today. Updated Oct 1, 2026.

Country of origin

Tungsten oxides (HTS 2825.90.30) from China owe 30.5% in total duties as of Oct 1, 2026: a 5.5% regular duty plus a 25% 2024 China tariff increases (Section 301).

Total duty rate30.5%That's $3,050 on a $10,000 shipment.

2024 China tariff increasesSection 301, since Sep 27, 202425%

Regular dutyBase rate (MFN) in the tariff schedule5.5%

Total duty30.5%

No forced-labor tariff on this product: it's on the tariff's exemption list (HTS 9903.05.86).

Sources: USITC Harmonized Tariff Schedule, Revision 20 (2026); USTR, Notice of Modification: China's Acts, Policies and Practices Related to Technology Transfer, Intellectual Property and Innovation (four-year review; tariff schedule changes in Annex C, pp. 76601-76609), 89 FR 76581, Sep 18, 2024; HTS 9903.91.01.

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Official description

Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: Other: Tungsten oxides

Legal text from the Harmonized Tariff Schedule, Revision 20 (2026), chapter 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes.

Statistical lines

The 10-digit numbers used on entry paperwork. They share this code's duty rates.

2825.90.3000 (2825903000)Tungsten oxides · reported in kg, W kg

What changed for this code

Questions about HTS 2825.90.30

What is the duty rate for HTS 2825.90.30?

The regular (column 1 general) rate printed in the tariff schedule is 5.5%. Goods from China owe 30.5% in total as of Oct 1, 2026, including any additional tariffs. Additional tariffs depend on the country of origin; choose one above to see its full rate.

Is HTS 2825.90.30 subject to Section 301 tariffs?

Yes, for goods from 2 countries and territories as of Oct 1, 2026: China, Nicaragua. Choose a country above to see the rate and any exemptions.

Is HTS 2825.90.30 subject to Section 232 tariffs?

No Section 232 tariff applies to HTS 2825.90.30 as of Oct 1, 2026, from any country of origin.

HTSLookup shows the duties CBP collects on this code by country of origin. Antidumping or countervailing duties may also apply to some exporters; they're set per company and aren't shown.