High-Magnesia Carbon Kiln Blocks from Mexico
High-magnesia carbon kiln blocks are heavy-duty refractory blocks with over 70% magnesia and controlled carbon under 30%, resin-bonded for cement kiln transition zones. They withstand abrasion and alkali attack in high-temperature industrial processes. These blocks fall under tariff item 6810.11.00 as building blocks of artificial stone.
Duty Rate — Mexico → Canada
3%
Import Tips
• Confirm the carbon content is below 30% and magnesia exceeds 70% to align with the tariff item
• Keep technical datasheets available for CBSA verification
• Consider whether the blocks are classified as refractory goods under Chapter 69 if they are kiln-specific