Portland cement, aluminous cement (ciment fondu), slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers

6-digit subheadings (5)

Official HS 2022 subheading texts. National tariff schedules subdivide these further (8-10 digit lines) and set the actual duty rates.

Chapter 25 classification notes

Classification certainty

The 6-digit level shown here is the internationally harmonised layer. Duty rates attach to national 8-10 digit tariff lines, which differ by country — use the duty calculator for lane estimates. For binding certainty, request a ruling from the destination customs authority.

Other headings in Chapter 25

• 2501 — Salt (including table salt and denatured salt); pure sodium chloride w…
• 2502 — Iron pyrites; unroasted
• 2503 — Sulphur of all kinds; other than sublimed, precipitated and colloidal …
• 2504 — Graphite; natural
• 2505 — Sands of all kinds; natural, whether or not coloured, other than metal…
• 2506 — Quartz; (other than natural sands), quartzite, whether or not roughly …
• 2507 — Kaolin and other kaolinic clays; whether or not calcined
• 2508 — Clays; (not including expanded clays of heading no. 6806), andalusite …
• 2509 — Chalk
• 2510 — Natural calcium phosphates; natural aluminium calcium phosphates and p…
• 2511 — Natural barium sulphate (barytes); natural barium carbonate, (witherit…
• 2512 — Siliceous fossil meals (e.g. kieselguhr, tripolite and diatomite) and …
• 2513 — Pumice stone; emery; natural corundum, natural garnet and other natura…
• 2514 — Slate, whether or not roughly trimmed or merely cut, by sawing or othe…
• 2515 — Marble, travertine, ecaussine and other calcareous stone; of an appare…
• 2516 — Granite, porphyry, basalt, sandstone, other monumental and building st…
• 2517 — Pebbles, gravel, crushed stone for concrete aggregates for road or rai…
• 2518 — Dolomite, whether or not calcined or sintered, including dolomite roug…
• 2519 — Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (…
• 2520 — Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium …
• 2521 — Limestone flux; limestone and other calcareous stone, of a kind used f…
• 2522 — Quicklime, slaked lime and hydraulic lime; other than calcium oxide an…
• 2524 — Asbestos
• 2525 — Mica, including splittings; mica waste
• 2526 — Natural steatite; whether or not roughly trimmed or merely cut, by saw…
• 2528 — Natural borates and concentrates thereof (whether or not calcined), bu…
• 2529 — Feldspar; leucite; nepheline and nepheline syenite; fluorspar
• 2530 — Mineral substances not elsewhere specified or included