Glass Furnace Silica Brick from China
Fused silica bricks with over 95% silica content, fired for glass tank furnace crowns and walls. They offer excellent creep resistance at temperatures above 1500°C. Classified under 6902.20.00 as refractory bricks with high silica content.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the silica content exceeds 50% by weight and the brick is fired
• Provide a lab analysis to the CBSA to confirm composition
• Note that fused silica bricks are still ceramic goods if fired after shaping, per Chapter 69 notes