Silica-Alumina Backup Refractory Brick from Mexico
Backup layer refractory brick with balanced >50% SiO2-Al2O3 for furnace hot repair and lining support. Classified in HTS 6902.20.10.20 as 'other' non-fossil meal bricks, fired ceramic constructional goods for industrial refractories. Provides insulation behind wear-resistant hot face bricks.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• For mixed cast/jiggered shipments, note US note ratios but primarily for tableware; use for value averaging if applicable
• Ensure packing lists specify 'refractory bricks' to prevent confusion with Chapter 94 building materials