| Description |
HS CODE |
| Kaolin and other kaolinic clays, including calcined... | 2507 |
| Other clays (not including expanded clays of heading No 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths... | 2508 |
| Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers... | 2523 |
| Refractory cements, mortars, concretes, etc.... | 3816 |
| Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths... | 6902 |
