Fused Magnesia Brick for Glass Tank Regenerators from Mexico
Fused magnesite refractory bricks with electrofused grains for glass tank regenerator checkers, providing superior thermal shock resistance. Fired after shaping from high-purity magnesia. HTS 6902.10.10.00 due to >50% MgO content as refractory bricks.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document fused grain process and firing validation
• Specify glass industry end-use
• Test for hexavalent chromium compliance