| Harmonized Tariff Schedule | ||
|---|---|---|
| Statistical code | Description | |
| H.S. code | Domestic code | |
| 69.03 | Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths and rods), other than those of siliceous fossil meals or of similar siliceous earths. | |