Sub Headings of 2846
| 2846.10.00.00 | Cerium compounds |
| 2846.90.20. | Mixtures of rare-earth oxides or of rare-earth chlorides |
| 2846.90.40.00 | Yttrium bearing materials and compounds containing by weight morethan 19 percent but less than 85 percent yttrium oxide equivalent |
| 2846.90.80.00 | Other |