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HTS heading 2818: Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide

Heading 2818 of the US Harmonized Tariff Schedule covers Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 2818 at a glance

Goods named in this heading (official line texts): Crude, In grains, or ground, pulverized or refined, Aluminum oxide, other than artificial corundum, Aluminum hy….

Subheadings (6-digit)

All tariff lines in heading 2818

LineDescriptionGeneralSection 301 (China)Exclusions
2818.10.10Artificial corundum, whether or not chemically defined: CrudeFreeList 4A +7.5%
2818.10.20In grains, or ground, pulverized or refined1.3%List 4A +7.5%
2818.20.00Aluminum oxide, other than artificial corundumFreenone
2818.30.00Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum…: Aluminum hy…FreeList 3 +25%

All of chapter 28 · Chapter 28 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

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