</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
6902.90.10.20/Silimanite Refractory Brick/Mexico

Silimanite Refractory Brick from Mexico

Silimanite refractory bricks feature sillimanite minerals for high refractoriness in electric arc furnace roofs. Dense fired structure resists molten metal penetration. HTS 6902.90.10.20 for other refractory brick types.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Calculate with your customs valueVerify classification with AI

Import Tips

• Certify mineral content via petrographic analysis to distinguish from high-alumina types

• Ship in palletized configurations with dunnage to prevent breakage, aiding customs inspection

• For pre-assembled arch shapes, consider if 'articles' under 6902.90.90 applies over bricks