| HS CODES CHAPTER | |
| Chapter | Chapter Description |
| Chapter-25 | Salt; Sulphur; Earths and Stone; Plastering Materials, Lime and Cement |
| HS CODES HEADING | |
| Hs Code Heading | Heading Description |
| 2521 | Limestone for metallurgical use conforming to IS:10345-2004 [Exemption Duty Ref by SNo(128) in Ntfn 50-Customs/2017 dated 30.06.2017] |
| HS CODE PRODUCTS | |
| HS CodeS | Products Description |
| 252100 | Limestone flux; limestone and other calcareous stones, of a kind used for the manufacture of lime or cement: |
| 25210010 | Limestone flux (L.D., below 1% SiO2) |
| 25210090 | Other |