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

Insulating Refractory Brick from Mexico

Lightweight insulating refractory bricks, fired from vermiculite-clay mixes, reduce heat loss in furnace walls and backup linings. Low thermal conductivity with high porosity. HTS 6902.90.50 for other refractory bricks.

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

Provide density and thermal specs to prove insulating refractory nature

Ensure not excluded as Chapter 68 articles if vermiculite dominant

Insulating Refractory Brick from Mexico — Import Duty Rate | HTS 6902.90.50