| HS CODES CHAPTER | |
| Chapter | Chapter Description |
| Chapter-28 | Inorganic Chemicals; Organic or Inorganic Compounds of Precious Metals, of Rare-earth Metals, of Radioactive Elements of Isotopes |
| HS CODES HEADING | |
| Hs Code Heading | Heading Description |
| 2849 | CARBIDES, WHETHER OR NOT CHEMICALLY DEFINED |
| HS CODE PRODUCTS | |
| HS CodeS | Products Description |
| 28491000 | Of calcium |
| 284920 | Of silicon: |
| 28492010 | Carborundum |
| 28492090 | Other |
| 284990 | Other: |
| 28499010 | Boron carbide |
| 28499020 | Tungsten carbide |
| 28499090 | Other |