HS 2521
Limestone Flux and Calcareous Stone
This HS code covers limestone flux and calcareous stone used in industrial lime and cement production. Products include crushed limestone, limestone chips, and flux-grade limestone that serve as essential raw materials for manufacturers. A typical example is industrial-grade limestone lumps sourced for cement kiln operations.
12 verified suppliers indexed under this heading.
Related HS headings
- 2515Marble, Travertine & Calcareous Stone(143)
- 2516Granite, Basalt and Building Stone(91)
- 2520Gypsum, Anhydrite & Plasters(71)
- 2501Salt and Sodium Chloride(69)
- 2530Mineral Substances Not Elsewhere Specified(68)
- 2517Aggregates and Road Base Materials(43)
- 2513Natural Abrasives and Pumice Stone(22)
- 2505Natural Sands for Industrial Use(19)
- 2506Quartz and Quartzite Blocks(13)
- 2508Industrial Clays and Refractory Materials(12)
- 2523Hydraulic Cement & Portland Cement(12)
- 2525Mica and Mica Splittings(9)
- 2519Natural Magnesium Carbonate and Magnesia(8)
- 2507Kaolin and Kaolinic Clays(7)
- 2518Dolomite Blocks and Slabs(7)
- 2528Natural Borates and Boric Acid(3)
- 2503Raw and Refined Sulphur Products(2)
- 2511Natural Barium Sulphate and Carbonate(2)
- 2502Iron Pyrites Unroasted(1)
- 2512Siliceous Fossil Meals and Diatomite(1)
- 2522Quicklime, Slaked Lime and Hydraulic Lime(1)
- 2504Natural Graphite
- 2509Chalk
- 2510Natural Calcium Phosphates and Phosphatic Chalk