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

Unrefined Rottenstone Pieces from Mexico

Irregular rottenstone fragments for fine abrasion, natural decomposed siliceous limestone.

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

Avoid powdering pre-import