Electrocast Refractory Blocks (Brick Size) from Mexico
Electrocast refractory bricks sized for standard bricklaying, melted and cast via electric arc for bubble-free high-alumina structure in glass crown applications. Seamless microstructure. Treated as bricks under HTS 6902.90.10.
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
• Distinguish melting vs firing process in manufacturing description
• Bubble count and index certification mandatory
• Heavy weight requires reinforced packaging declarations