| 28.16 | | Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium |
| 2816.10 | 000 | Hydroxide and peroxide of magnesium |
| 2816.40 | 000 | Oxides, hydroxides and peroxides, of strontium or barium |
| 28.18 | | Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide |
| 2818.10 | | Artificial corundum, whether or not chemically defined |
| 2818.20 | 000 | Aluminium oxide, other than artificial corundum |
| 28.21 | | Iron oxides and hydroxides; earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O3 |
| 2825.80 | 010 | - Antimony trioxide, less than 199yen/kg in value for customs duty |
| 2825.80 | 021 | -- Antimony trioxide, not less than 199yen/kg in value for customs duty |
| 2825.90 | | V.- SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS |
| 28.26 | | Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts |
| 28.26 | | Fluorides : |
| 2826.12 | 000 | Of aluminium |
| 2826.19 | 010 | - Of ammonium or of sodium |
| 2826.30 | 000 | Sodium hexafluoroaluminate (synthetic cryolite) |
| 2826.90 | 100 | 1 Fluorosilicates of sodium or of potassium |
| 2826.90 | 910 | -Potassium fluorotantalate |
| 2827.31 | 000 | Of magnesium |
| 2827.32 | 000 | Of aluminium |
| 2827.35 | 000 | Of nickel |
| 2827.39 | 100 | 1 Of zinc |
| 2827.39 | 910 | - Of iron |
| 2827.39 | 920 | - Of cobalt |
Harmonized Tariff Schedule of Japans inquiry: /etc/passwd
