</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
0511.91.00.90/Oyster Shell Waste/Mexico

Oyster Shell Waste from Mexico

Crushed waste shells from molluscs like oysters, unfit for food, used in lime production or abrasives. Fits HTS 0511.91.00.90 as other mollusc products.

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

• Invoice as 'shell waste unfit for consumption' to distinguish from food shells

• Test for pollutants from polluted waters

• Bulk shipping preferred over retail packs