Periclase Tundish Well Blocks from Mexico
High-purity periclase blocks forming tundish well nozzles in continuous casting, critical for clean steel production. These magnesia periclase articles fall under this tariff item as other articles containing magnesia in periclase form.
Duty Rate — Mexico → Canada
5%
Import Tips
• Classify the blocks as articles of mineral substances, not as tools of Chapter 82
• Provide documentation on periclase content and casting use to the CBSA
• Ensure the blocks are not excluded as electrical insulators of heading 85.46