HTS 2818.20.00Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide:Aluminum oxide, other than artificial corundum

What that translates to:Aluminum oxide, not artificial corundum

Also written 28182000 or 2818.20.0000. Rates as CBP is collecting them today. Updated Oct 1, 2026.

Country of origin

Aluminum oxide, not artificial corundum (HTS 2818.20.00) from China owe no duty as of Oct 1, 2026: the regular duty is Free and no extra tariffs apply.

Total duty rateFreeNothing to pay on a $10,000 shipment.

Regular dutyBase rate (MFN) in the tariff scheduleFree

Total dutyFree

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).

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Official description

Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide: Aluminum oxide, other than artificial corundum

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.

2818.20.0000 (2818200000)Aluminum oxide, other than artificial corundum · reported in kg

What changed for this code

Jul 24, 2026Forced-labor tariffs start on imports from 60 economies (Section 301)
Jul 22, 202625% Section 301 tariff on products of Brazil starts
Jan 1, 2026Section 301 tariff on Nicaragua starts at 0%, set to rise to 10% in 2027 and 15% in 2028

Questions about HTS 2818.20.00

What is the duty rate for HTS 2818.20.00?

The regular (column 1 general) rate printed in the tariff schedule is Free. Goods from China owe no duty 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 2818.20.00 subject to Section 301 tariffs?

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

Is HTS 2818.20.00 subject to Section 232 tariffs?

No Section 232 tariff applies to HTS 2818.20.00 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.