Zirconia Refractory Bricks from Canada
Zirconia refractory bricks utilize stabilized zirconium oxide for ultra-high temperature resistance in glass melting tanks and petrochemical reactors. Their low thermal expansion prevents cracking under cyclic heating. HTS 6902.90.10 includes these advanced 'other' refractory bricks.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit XRF analysis confirming ZrO2 content >80% for proper valuation
• Ensure export country certifications match US EPA refractory import standards