United Kingdom · Heading· 3 subheadings· 18 codes
2818Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide
Subheadings (6-digit WCO)
United Kingdom tariff lines (10-digit)
All national sub-divisions in United Kingdom's tariff schedule
| HS Code | Description | Primary rate |
|---|---|---|
| 2818101110 | 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 | 4.00 % |
| 2818101120 | 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:<br>-92 % or more of aluminium oxide, and<br>-8 % or less of magnesium oxide<br> | 4.00 % |
| 2818101130 | 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 | 4.00 % |
| 2818101140 | 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 | 4.00 % |
| 2818101191 | Fused alumina where both of the following apply:<br>(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;<br>(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 | 4.00 % |
| 2818101199 | Other | 4.00 % |
| 2818101900 | With 50 % or more of the total weight having a particle size of more than 10 mm | 4.00 % |
| 2818109120 | 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:<br>- 92 % or more, but less than 98,5 % of aluminium oxide,<br>- 2 % (± 1,5 %) of magnesium oxide,<br>- 1 % (± 0,6 %) of yttrium oxide,<br>and<br>- either 3 % (± 2,2 %) of lanthanum oxide or<br>- 2 % (± 1,2 %) of lanthanum oxide and neodymium oxide,<br>with less than 50 % of the total weight having a particle size of more than 10 mm | 4.00 % |
| 2818109130 | 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:<br>-92 % or more, but not more than 94 % of aluminium oxide, and<br>-8 % (± 1 %) of magnesium oxide<br> | 4.00 % |
| 2818109140 | 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 | 4.00 % |
| 2818109191 | Fused alumina with a titanium dioxide content of 1% by weight or more, where both of the following apply:<br>(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;<br>(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 | 4.00 % |
| 2818109199 | Other | 4.00 % |
| 2818109900 | With 50 % or more of the total weight having a particle size of more than 10 mm | 4.00 % |
| 2818200010 | Activated alumina with a specific surface area of at least 350 m²/g | 4.00 % |
| 2818200090 | Other | 4.00 % |
| 2818300020 | Aluminium hydroxide (cas rn 21645-51-2)<br>- in the form of powder<br>- with a purity by weight of 99,5 % or more<br>- with a decomposition point of 263o c or more<br>- with a particle size of 4 µm (± 1 µm)<br>- with a total-na2o-content by weight of not more than 0,06 %<br> | 4.00 % |
| 2818300030 | Aluminium hydroxide oxide (cas rn 1318-23-6) in the form of boehmite or pseudoboehmite | 4.00 % |
| 2818300090 | Other | 4.00 % |