</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Dense Fireclay Backup Refractory Brick from Mexico

High-density fireclay brick used as backup lining behind wear-resistant courses in steel ladles and reheat furnaces. Provides thermal stability up to 1550°C. HTS 6902.90.10.10 applies to this clay refractory brick type.

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

Specify bulk density >2.0 g/cm³ in technical data sheets for dense variant identification

Use ISPM-15 compliant wooden pallets for heavy brick shipments to avoid quarantine issues