Magnesia-Chrome Taphole Bricks from Mexico
Magnesia-Chrome Taphole Bricks are specialized refractory bricks designed for blast furnace tap-holes, with a composition exceeding 50% MgO and Cr2O3 to resist molten iron and slag abrasion. These bricks are conically shaped for a precise fit and are fired after shaping to achieve the required density and strength. They are classified under 6902.10.00 as refractory ceramic constructional goods with the specified chemical composition.
Duty Rate — Mexico → Canada
0%
Import Tips
• Clearly describe the product as 'taphole bricks' in the import documentation to align with the tariff item's scope
• Confirm the MgO/Cr2O3 content exceeds 50% with a lab analysis
• Be aware that the CBSA may require proof of firing; keep production records available