Insulating Fireclay Refractory Brick from Mexico
Lightweight insulating brick made from fireclay with high porosity for thermal insulation in high-temperature furnaces. Maintains structural integrity up to 1400°C while minimizing heat loss. HTS 6902.90.10.10 covers this clay-based refractory constructional good.
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
• Test for <3.2 cm thickness if tile-like to avoid 'tiles' exclusion in refractory headings per US notes
• Provide thermal conductivity data (<0.5 W/mK typical) to differentiate from dense structural bricks