25.22 | | Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 28.25 |
2522.10 | 000 | Quicklime |
2522.20 | 000 | Slaked lime |
2522.30 | 000 | Hydraulic lime |
25.23 | | Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers |
2523.10 | 000 | Cement clinkers |
2523.10 | | Portland cement |
2523.21 | 000 | White cement, whether or not artificially coloured |
2523.30 | 000 | Aluminous cement |
2523.90 | 000 | Other hydraulic cements |
2524.10 | 000 | Crocidolite |
25.25 | | Mica, including splittings; mica waste |
2525.10 | 000 | Crude mica and mica rifted into sheets or splittings |
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 |
25.29 | | Feldspar; leucite; nepheline and nepheline syenite; fluorspar |
2529.10 | 000 | Feldspar |
2529.10 | | Fluorspar |
2529.21 | 000 | Containing by weight 97% or less of calcium fluoride |
2529.22 | 000 | Containing by weight more than 97% of calcium fluoride |
2529.30 | 000 | Leucite; nepheline and nepheline syenite |
25.30 | | Mineral substances not elsewhere specified or included |
2530.10 | 000 | Vermiculite, perlite and chlorites, unexpanded |