| 25 | | | HS Code for Salt; sulfur; land and stones; plaster, cal and cement |
| 2523 | | HS Code for Portland cement aluminous cement slag cement supersulphate cement and similar hydraulic cements whether or not coloured or in the form of clinkers |
| | 25233000 | Alumina cement |
| | 25239000 | Other hydraulic cements |
| 2524 | | HS Code for Other Hydraulic Cements |
| | 25241000 | Crocidolite |
| | 25249010 | Other long-fiber asbestos |
| | 25249090 | Other asbestos |
| 2525 | | HS Code for Mica including splittings; mica waste |
| | 25251000 | Undisturbed cleaved mica and mica platelets |
| | 25252000 | Mica |
| | 25253000 | Mica waste |
| 2526 | | HS Code for 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 |
| | 25261010 | Unbroken and non-natural powdered steatite |
| | 25261020 | Unbroken and non-powdered talc |
| | 25262010 | Crushed or powdered natural steatite |
| | 25262020 | Pat pat crushed or powdered natural talc |
| 2528 | | HS Code for 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 |
| | 25280010 | Natural borax and concentrates |
| | 25280090 | Other natural borates and concentrates; crude natural boron |
| 2529 | | HS Code for Feldspar; leucite; nepheline and nepheline syenite; nfluorspar |
| | 25291000 | Feldspar |
| | 25292100 | By weight calcium fluoride content of <=97% of fluorite |
| | 25292200 | By weight calcium fluoride content of> 97% fluorite |
| | 25293000 | Leucite, nepheline and nepheline syenite |
| 2530 | | HS Code for Mineral substances not elsewhere specified or included |
| | 25301010 | Uninflated chlorite |
| | 25301020 | Vermiculite and perlite uninflated |
| | 25302000 | Kieserite mineral salt mines and diarrhea (natural magnesium sulphate) |
| | 25309010 | Mineral medicine |
| | 25309020 | Other rare earth mine |
Harmonized Tariff Schedule of China inquiry: textile
