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

Product or HTS code

Rate lines5

Code	Description	General	Special	Column 2	Units	Calculate
2818.10	2818.10Artificial corundum, whether or not chemically defined
2818.10.10.00	2818.10.10.00CrudeGeneral Free · Column 2 Free · t	Free		Free	t
2818.10.20	2818.10.20In grains, or ground, pulverized or refinedGeneral 1.3% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 4.1%	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	2818.10.20.10White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxideGeneral 1.3% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 4.1% · kg	1.3%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	4.1%	kg
2818.10.20.90	2818.10.20.90OtherGeneral 1.3% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 4.1% · kg	1.3%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	4.1%	kg
2818.20.00.00	2818.20.00.00Aluminum oxide, other than artificial corundumGeneral Free · Column 2 1.1¢/kg · kg	Free		1.1¢/kg	kg
2818.30.00.00	2818.30.00.00Aluminum hydroxideGeneral Free · Column 2 1.1¢/kg · kg	Free		1.1¢/kg	kg

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	Brazil49.55% of imports	China10.83% of imports	Germany10.53% of imports	Jamaica7.93% of imports	Canada6.79% of imports	France3.1% of imports	Austria1.99% of imports	Japan1.94% of imports	Denmark1.75% of imports	Australia1.31% of imports
2818.10.10.00Crude	0%	From 7.5%9903.88.15AD/CVD may apply	VariesAD/CVD may apply	0%	0%	0%	0%	0%	0%	0%
2818.10.20.10White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide	1.3%	From 8.8%9903.88.15AD/CVD may apply	From 1.3%AD/CVD may apply	1.3%	1.3%	1.3%	1.3%	1.3%	1.3%	1.3%
2818.10.20.90Other	1.3%	From 8.8%9903.88.15AD/CVD may apply	From 1.3%AD/CVD may apply	1.3%	1.3%	1.3%	1.3%	1.3%	1.3%	1.3%
2818.20.00.00Aluminum oxide, other than artificial corundum	0%	VariesAD/CVD may apply	VariesAD/CVD may apply	0%	0%	0%	0%	0%	0%	0%
2818.30.00.00Aluminum hydroxide	0%	From 25%9903.88.03AD/CVD may apply	VariesAD/CVD may apply	0%	0%	0%	0%	0%	0%	0%

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).