Phosphate-Bonded Alumina Refractory Brick from Canada
Phosphate-bonded brick exceeding 50% Al2O3, fired for abrasion resistance in rotary kilns. HTS 6902.20.10.20 as 'other' constructional refractory bricks per Chapter notes on inorganic nonmetallic firing. Bonds enhance strength without compromising refractoriness.
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
• Test for binders per Chapter note (c); phosphates allowed if fired product meets criteria
• Use ISPM-15 compliant pallets for bulk brick shipments to prevent quarantine issues