</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2508.30.00.00/Dinas Fire-Clay Earth/Mexico

Dinas Fire-Clay Earth from Mexico

Dinas earths are siliceous fire-clays used in high-temperature silica bricks for coke ovens. Classified under HTS 2508.30.00.00 as fire-clay variants like chamotte or dinas. Known for low flux content and purity.

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 silica content (88-98%) to differentiate from alumina fire-clays

• Avoid bulk shipments mixed with mullite, risking subheading disputes

• Ensure no prior agglomeration, as built-up products go to 6815

Dinas Fire-Clay Earth from Mexico — Import Duty Rate | HTS 2508.30.00.00