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

Silicon Carbide Refractory Bricks from Canada

Silicon carbide refractory bricks feature SiC grains bonded in a fired ceramic matrix, offering excellent thermal conductivity and abrasion resistance for blast furnace applications. They endure high wear in aggressive environments. Fits HTS 6902.90.10 for non-siliceous fossil meal refractory bricks.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Include technical datasheets proving SiC content and post-firing properties per ASTM standards

Declare exact dimensions to distinguish from tiles (under 3.2 cm thick per US notes)