Phosphate-Bonded Alumina Brick from United States
Refractory bricks using phosphate binders with more than 50% alumina for improved strength in backup linings. They meet Chapter 69 firing requirements using inorganic nonmetallic materials, qualifying as constructional refractory goods.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the alumina content exceeds 50% by weight and provide a lab analysis
• Ensure the product is fired after shaping, as per Chapter 69 notes
• Provide documentation on the phosphate binder to support classification