Code 2818 10 · Heading 2818

Artificial corundum, including when not chemically defined

This code covers artificial corundum, including artificial corundum that is not chemically defined. It is separate from aluminium oxide and aluminium hydroxide.

For example

Artificial corundum, including artificial corundum that is not chemically defined

See the official tariff text

Official tariff text

Corundum, artificial, whether or not chemically defined

How we got to this code

VI
28
2818
2818 10

Show the steps

The path to this code

Every code is reached through these choices, one level at a time.

Step 4 of 4

Step 1 · Section VI Products of the chemical or allied industries
Is it an inorganic or organic chemical; a pharmaceutical product; a fertilizer; a tanning or dye extract, pigment, paint, varnish, filler or printing ink; an essential oil, perfume, cosmetic or toilet product; soap, a surface-active, washing, cleaning, polishing or wax product; a protein, modified starch, glue or enzyme; an explosive, pyrotechnic article, match or other specified combustible material; a photographic or cinematographic product; or another chemical product?
✓
Step 2 · Chapter 28 Inorganic chemicals; organic or inorganic compounds… 1 of 11 chapters in section VI
Which named chemical or chemical family best describes the product—for example a metal, acid, oxide, salt, isotope, compound or another substance listed under this category?
✓
Step 3 · Heading 2818 Artificial corundum, whether or not chemically defi… 18 of 50 headings under chapter 28
Is the product artificial corundum, aluminium oxide other than artificial corundum, or aluminium hydroxide?
✓
Step 4 · Subheading 2818 10 Corundum, artificial, whether or not chemically def… 1 of 3 subheadings under heading 2818
What are the product’s aluminium oxide content and the share of its total weight with a particle size >10 mm: is that share < 50% or >= 50%, and is the aluminium oxide content < 98.5 weight% or >= 98.5 weight% (“high purity”)?

Pick the 8-digit code

Pick the description that best matches your product.

Import duty on the codes below: 5.2%

4 codes below this one

Compare the sibling codes

See all 3 codes at this level

2818 10 Corundum, artificial, whether or not chemically defined you are here 5.2%
2818 20 Aluminium oxide (excl. artificial corundum) 4.0%
2818 30 Aluminium hydroxide 5.5%

Selling to Norway, Great Britain and the United States

What they charge on arrival.

Norway, Great Britain and the United States use their own tariff lines under the 6-digit HS code. The rates below are what their customs charge on goods arriving from the EU. Match the goods against each country's own wording before you rely on a rate.

Norway

Duty free

Their lines1 Norwegian line

28.18.1000 Artificial corundum, whether or not chemically defined

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

4.0%

Their lines13 British lines
EU originDuty free

2818 10 11 10 Sol-Gel corundum (CAS RN 1302-74-5) with an aluminium oxide content of 99,6 % or more

Northern Ireland follows other rules.

UK tariff data checked Sept. 13, 2026.

United States

From 0.0% to 1.3%

Estimated from published US measures

Their lines3 US lines
Entry dateSept. 18, 2026

2818.10.10.00 Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide

The US importer of record files the entry.

US tariff data checked Sept. 16, 2026.

See the 1 Norwegian line

Selling to Norway

Norway splits the 6-digit category its own way, so these are Norway's own lines under it, not this EU code. Check your product against their wording; what Norwegian customs charges is shown per line.

28.18.1000

Artificial corundum, whether or not chemically defined

Ordinary duty

Duty free

Norwegian tariff data version 1.5/1.2, last checked Sept. 13, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

See the 13 British lines

Selling to Great Britain

What UK customs charges when goods like these arrive in Great Britain.

All 13 UK lines under this code

They all have the same duty rates shown here.

Ordinary duty

4.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1599, last checked Sept. 13, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

See the 3 US lines

Selling to the United States

What US customs charges when goods like these arrive from the EU. The US importer of record files the entry and pays the duty.

2818.10.10.00

Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide, Artificial corundum, whether or not chemically defined, Crude

General rate

Free

From the EU

0.0% Estimated from published US measures US headings applied: 9903.05.86 U.S. note 52(b) to subchapter III of chapter 99, 91 FR 47318: as provided in heading 9903.05.86, the duties imposed by headings 9903.05.20 through 9903.05.84 shall not apply to articles classifiable in the listed provisions
2818.10.20.10

Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide, Artificial corundum, whether or not chemically defined, In grains, or ground, pulverized or refined, White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide

General rate

1.3%

From the EU

1.3% Estimated from published US measures US headings applied: 9903.05.86 U.S. note 52(b) to subchapter III of chapter 99, 91 FR 47318: as provided in heading 9903.05.86, the duties imposed by headings 9903.05.20 through 9903.05.84 shall not apply to articles classifiable in the listed provisions
2818.10.20.90

Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide, Artificial corundum, whether or not chemically defined, In grains, or ground, pulverized or refined, Other

General rate

1.3%

From the EU

1.3% Estimated from published US measures US headings applied: 9903.05.86 U.S. note 52(b) to subchapter III of chapter 99, 91 FR 47318: as provided in heading 9903.05.86, the duties imposed by headings 9903.05.20 through 9903.05.84 shall not apply to articles classifiable in the listed provisions

Worked out for an entry on Sept. 18, 2026.

US tariff schedule 2026HTSRev19, last checked Sept. 16, 2026.

Last change we recorded: Revision 19 (2026), Sept. 16, 2026.

Anti-dumping and countervailing duties, US import taxes and customs fees are not included.

The descriptions above are the US tariff texts, which the United States publishes in English only.

Source: the US International Trade Commission's Harmonized Tariff Schedule (hts.usitc.gov), public domain, and the measures published in the Federal Register.

This is a planning estimate from the US Harmonized Tariff Schedule (revision shown) and the published Federal Register measures as of the date shown, for a shipment of EU origin. It is not a customs entry, legal advice or a broker's opinion, and tariffs.help is not a US-licensed customs broker. The US importer of record or their broker confirms the classification, origin, value and the duty due before filing.

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with Toldstyrelsen, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.