Direct-Bonded Magnesia Chrome Bricks from Mexico
Premium refractory bricks produced by direct bonding of magnesia and chrome ore grains, with >50% MgO/Cr2O3, for RH degasser vessels in steelmaking. Exceptional creep resistance at high temperatures. HTS 6902.10.50.00 for other high Mg/Cr refractories.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include production process description showing firing after shaping per Chapter notes
• Test for proper density (>3.0 g/cm³ typical) confirming refractory grade
• Avoid classification disputes by providing comparative data vs. standard firebricks