Chapter 28 · Inorganic chemicals · Section 6
HS Code 2818.10
Artificial corundum, whether or not chemically defined
Heading 2818: Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide
US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources
United States - HTS lines under 2818.10
Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.
| HTS code | Description | General | Special | Other | Unit |
|---|---|---|---|---|---|
| 2818.10.10 | Crude | Free | - | Free | t |
| 2818.10.20 |
In grains, or ground, pulverized or refined 2 statistical lines (10-digit)
|
1.3% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 4.1% | kg |
Estimate the US duty runs in your browser · no caps
Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.
European Union - CN codes under 2818.10
Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.
| CN code | Description | |
|---|---|---|
| 2818 10 19 | With 50 % or more of the total weight having a particle size of more than 10 mm | EU duty (TARIC) → |
| 2818 10 11 | With less than 50 % of the total weight having a particle size of more than 10 mm | EU duty (TARIC) → |
| 2818 10 99 | With 50 % or more of the total weight having a particle size of more than 10 mm | EU duty (TARIC) → |
| 2818 10 91 | With less than 50 % of the total weight having a particle size of more than 10 mm | EU duty (TARIC) → |
| 2818 10 00 | Artificial corundum, whether or not chemically defined | EU duty (TARIC) → |
United Kingdom - commodity codes under 2818.10
Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.
| Commodity code | Description | |
|---|---|---|
| 2818 10 00 00 | Artificial corundum, whether or not chemically defined | UK duty & VAT → |
| 2818 10 11 00 | With less than 50|% of the total weight having a particle size of more than 10|mm | UK duty & VAT → |
| 2818 10 11 10 | Sol-Gel corundum (CAS RN 1302-74-5) with an aluminium oxide content of 99,6 % or more by weight, having a micro crystalline structure in the form of rods with an aspect ratio of 1,3 or more, but not more than 6,0 | UK duty & VAT → |
| 2818 10 11 20 | Sintered corundum with a micro crystalline structure, consisting of aluminium oxide (CAS RN 1344-28-1) and magnesium aluminate (CAS RN 12068-51-8), with a content by weight (calculated as oxides) of: -92 % or more of aluminium oxide, and -8 % or less of magnesium oxide | UK duty & VAT → |
| 2818 10 11 30 | Sintered Sol-Gel corundum or pre-sintered Sol-Gel with an aluminium oxide content of 99,6% or more by weight, having a microcrystalline structure in the form of rods with an aspect ratio of 1,3 or more, but not more than 6,0 | UK duty & VAT → |
| 2818 10 11 40 | Sintered Sol-Gel corundum or pre-sintered Sol-Gel with a microcrystalline structure, consisting of aluminium oxide, with a composition by weight (as oxides) of at least 98,5% aluminium oxide, other than with an aluminium oxide content of 99,6% or more by weight, having a microcrystalline structure in the form of rods with an aspect ratio of 1,3 or more, but not more than 6,0 | UK duty & VAT → |
| 2818 10 11 91 | Fused alumina where both of the following apply: (i) between 5% and 35% of the product by weight is below the lowest grain size limit set out in the specification for the product and; (ii) between 1% and 10% of the product by weight is above the upper grain size limit set out in the specification for the product | UK duty & VAT → |
| 2818 10 11 99 | Other | UK duty & VAT → |
| 2818 10 19 00 | With 50|% or more of the total weight having a particle size of more than 10|mm | UK duty & VAT → |
| 2818 10 91 00 | With less than 50|% of the total weight having a particle size of more than 10|mm | UK duty & VAT → |
| 2818 10 91 20 | Sintered corundum with a micro crystalline structure, consisting of aluminium oxide (CAS|RN|1344-28-1), magnesium aluminate (CAS|RN|12068-51-8) and the rare earth aluminates of yttrium, lanthanum, and neodymium, with a content by weight (calculated as oxides) of: -|92|% or more, but less than 98,5|% of aluminium oxide, -|2|% (± 1,5|%) of magnesium oxide, -|1|% (± 0,6|%) of yttrium oxide, and -|either 3|% (± 2,2|%) of lanthanum oxide or -|2|% (± 1,2|%) of lanthanum oxide and neodymium oxide, with less than 50|% of the total weight having a particle size of more than 10|mm | UK duty & VAT → |
| 2818 10 91 30 | Sintered corundum with a micro crystalline structure, consisting of aluminium oxide (CAS RN 1344-28-1) and magnesium aluminate (CAS RN 12068-51-8), with a content by weight (calculated as oxides) of: -92 % or more, but not more than 94 % of aluminium oxide, and -8 % (± 1 %) of magnesium oxide | UK duty & VAT → |
| 2818 10 91 40 | Sintered Sol-Gel corundum or pre-sintered Sol-Gel with a microcrystalline structure, consisting of aluminium oxide, with a composition by weight (as oxides) of at least 92% but less than 98.5% aluminium oxide | UK duty & VAT → |
| 2818 10 91 91 | Fused alumina with a titanium dioxide content of 1% by weight or more, where both of the following apply: (i) between 5% and 35% of the product by weight is below the lowest grain size limit set out in the specification for the product and; (ii) between 1% and 10% of the product by weight is above the upper grain size limit set out in the specification for the product | UK duty & VAT → |
| 2818 10 91 99 | Other | UK duty & VAT → |
| 2818 10 99 00 | With 50|% or more of the total weight having a particle size of more than 10|mm | UK duty & VAT → |
Other subheadings in 2818
Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.