| 2818.10 | | Artificial corundum, whether or not chemically defined |
| 2818.10 | 090 | - Other |
| 2818.20 | 000 | Aluminium oxide, other than artificial corundum |
| 2818.30 | 000 | Aluminium hydroxide |
| 28.19 | | Chromium oxides and hydroxides |
| 2819.10 | 000 | Chromium trioxide |
| 2819.90 | 000 | Other |
| 2820.90 | 000 | Other |
| 28.21 | | Iron oxides and hydroxides; earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O3 |
| 2821.10 | | Iron oxides and hydroxides |
| 2821.10 | 090 | - Iron hydroxides |
| 2821.20 | 000 | Earth colours |
| 2822.00 | | Cobalt oxides and hydroxides; commercial cobalt oxides |
| 2822.00 | 090 | - Cobalt hydroxides |
| 2824.10 | 000 | Lead monoxide (litharge, massicot) |
| 2824.90 | | Other |
| 2824.90 | 900 | 2 Other |
| 28.25 | | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides |
| 2825.10 | | Hydrazine and hydroxylamine and their inorganic salts |
| 2825.10 | 030 | 1 Hydrazine anhydride |
| 2825.10 | | 2 Other |
| 2825.10 | 050 | - Hydrazine and its inorganic salts |
| 2825.10 | 090 | -Hydroxylamine and its inorganic salts |
Harmonized Tariff Schedule of Japans inquiry: /etc/passwd
