Phosphate-Bonded High Alumina Bricks from Mexico
Phosphate-bonded high alumina refractory bricks use phosphoric acid binders fired to develop mullite-phosphate bonds for abrasion resistance in cyclone burners. Their enhanced strength at elevated temperatures qualifies them as other refractory bricks under this tariff item.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the bricks are fired after shaping to comply with Chapter 69
• Provide details on phosphate content and firing process
• Use sturdy packaging to protect bricks during handling