25 | | | HS Code for Salt; sulfur; land and stones; plaster, cal and cement |
| 2517 | | HS Code for Pebbles gravel broken or crushed stone of a kind commonly used for concrete aggregates for road metalling or for railway or other ballast shingle and flint whether or not heat-treated; macadam of slag dross or similar industrial waste whether or not incorporating the materials cited in the first part of the heading; tarred macadam; granules chippings
and powder of stones of heading
2515 or 2516 whether or not heat- treated |
| | 25172000 | Slag, dross and similar industrial waste |
| | 25173000 | Bitumen macadam |
| | 25174100 | Crushed marble, chips and powder |
| | 25174900 | Items 2515 and 2516 included in other stone like nibs |
| 2518 | | HS Code for Dolomite whether or not calcined or sintered including dolomite roughly trimmed or merely cut by sawing or otherwise into blocks or slabs of a rectangular (including square)shape; dolomite ramming mix |
| | 25181000 | Uncalcined dolomite or sintered |
| | 25182000 | Calcined or sintered dolomite |
| | 25183000 | Dolomite ramming mix |
| 2519 | | HS Code for Natural magnesium carbonate (magnesite); fused magnesia;
dead-burned (sintered) magnesia whether or not containing small quantities of other oxides added before sintering; other magnesium oxide whether or
not pure |
| | 25191000 | Natural magnesium carbonate (magnesite) |
| | 25199010 | Fused magnesia |
| | 25199020 | Sintered magnesia (dead burned magnesite) |
| | 25199030 | Alkali burned magnesium (light burned magnesium) |
| | 25199091 | Chemically pure magnesium oxide |
| | 25199099 | Non-pure magnesium oxide |
| 2520 | | HS Code for Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulphate) whether or not coloured with or without small quantities of accelerates or retarders |
| | 25201000 | Gypsum, anhydrite |
| | 25202010 | Dental plaster |
| | 25202090 | Other plaster |
| 2521 | | HS Code for Limestone flux; limestone and other calcareous stones of a kind used for the manufacture of lime or cement |
| | 25210000 | Limestone flux, limestone and other calcium stone |
| 2522 | | HS Code for Quicklime slaked lime and hydraulic lime other than calcium oxide and hydroxide of heading 2825 |
| | 25221000 | Quicklime |
| | 25222000 | Hydrated lime |
| | 25223000 | Hydraulic lime |
| 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 |
| | 25231000 | Cement clinker |
| | 25232100 | White cement, whether or not artificially colored |
| | 25232900 | Other portland cement |