HS 6903 – Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths.
Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026
Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths.
Subheadings
Child tariff lines and MFN rates
| HS code | Description | MFN rate |
|---|---|---|
| 6903-10 – Containing by weight more than 50% of free carbon | MFN Free | |
| 6903-10-00-00 | Containing by weight more than 50% of free carbon | Free |
| 6903-20 – Containing by weight more than 50% of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2) | MFN Free | |
| 6903-20-00-00 | Containing by weight more than 50% of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2) | Free |
| 6903-90 – Other | MFN Free | |
| 6903-90-00-00 | Other | Free |
Top importers in this heading
144 Canadian companies imported goods under heading 69.03 according to the CBSA Canadian Importers Database, 2023 data.
Most frequent importers
- TYK AMERICA, INC - Ontario - 3 codes
- VESUVIUS CANADA INC. - Ontario - 3 codes
- ACTIVATION LABORATORIES LTD - Ontario - 2 codes
- ALGOMA STEEL INC. - Ontario - 2 codes
- ALPHA CANADA INC - Ontario - 2 codes
- ALUMINERIE DE BECANCOUR INC. - Quebec - 2 codes
- ASBURY WILKINSON INC - Ontario - 2 codes
- BRADKEN CANADA MANUFACTURED PRODUCTS LTD. - British Columbia - 2 codes
- COMBER WAY VENTURES LTD. - British Columbia - 2 codes
- ELYSIS SOCIETE EN COMMANDITE - Quebec - 2 codes