| 25.20 | | Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulphate) whether or not coloured, with or without small quantities of accelerators or retarders: |
| 2520.20 | 010 | 1 Calcined gypsum |
| 2521.00 | 000 | Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement |
| 25.22 | | Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 28.25 |
| 25.23 | | Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers |
| 2523.21 | 000 | White cement, whether or not artificially coloured |
| 2523.30 | 000 | Aluminous cement |
| 25.26 | | Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc |
| 2528.00 | 000 | Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85% of H3BO3 calculated on the dry weight |
| 2529.21 | 000 | Containing by weight 97% or less of calcium fluoride |
| 2529.22 | 000 | Containing by weight more than 97% of calcium fluoride |
| 25.30 | | Mineral substances not elsewhere specified or included |
| 2530.20 | 000 | Kieserite, epsomite (natural magnesium sulphates) |
| 2602.00 | | Manganese ores and concentrates, including ferruginous manganese ores and concentrates with a manganese content of 20% or more, calculated on the dry weight |
| 2602.00 | 010 | -- Containing more than 39% of manganese calculated on the dry weight |
| 26.15 | | Niobium, tantalum, vanadium or zirconium ores and concentrates |
| 26.16 | | Precious metal ores and concentrates |
| 2619.00 | 000 | Slag, dross (other than granulated slag), scalings and other waste from the manufacture of iron or steel |
| 26.20 | | Slag, ash and residues (other than from the manufacture of iron or steel) containing metals, arsenic or their compounds |
| 2620.40 | 000 | Containing mainly aluminium |
| 2620.60 | 000 | Containing arsenic, mercury, thallium or their mixtures, of a kind used for the extraction of arsenic or those metals or for the manufacture of their chemical compounds |
| 26.21 | | Other slag and ash, including seaweed ash(kelp); ash and residues from the incineration of municipal waste |
| 2621.10 | 000 | Ash and residues from the incineration of municipal waste |
Harmonized Tariff Schedule of Japans inquiry: /etc/passwd
