Chapter 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
HTS heading 2818: Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide
8 numbered lines under heading 2818, including 5 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.
| HTS code | Description | Unit | General | Special | Column 2 |
|---|---|---|---|---|---|
| 2818 | Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide: | ||||
| 2818.10 | Artificial corundum, whether or not chemically defined: | ||||
| 2818.10.10.00 | CrudeNote: See 9903.90.08. | t | Free | Free | |
| 2818.10.20 | In grains, or ground, pulverized or refinedNote: See 9903.90.08. | 1.3% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 4.1% | |
| 2818.10.20.10 | White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide | kg | |||
| 2818.10.20.90 | Other | kg | |||
| 2818.20.00.00 | Aluminum oxide, other than artificial corundum | kg | Free | 1.1¢/kg | |
| 2818.30.00.00 | Aluminum hydroxide | kg | Free | 1.1¢/kg |
Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.
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Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.