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Oyster Shells Unworked

Whole oyster shells (Crassostrea spp.) collected from shellfish farms, unworked or simply washed, not cut to shape. Under HTS 0508.00.00.00 as unworked shells of molluscs, commonly used for crafting, aquariums, or lime production.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
πŸ‡¨πŸ‡³ChinaFree+25.0%25%
πŸ‡²πŸ‡½MexicoFreeβ€”Free
πŸ‡¨πŸ‡¦CanadaFreeβ€”Free
πŸ‡©πŸ‡ͺGermanyFreeβ€”Free
πŸ‡―πŸ‡΅JapanFreeβ€”Free

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2521.00.00.00Higher: 35% vs 25%

If calcined into lime

Chemically processed shells become limestone or chalk under Chapter 25.

Not sure which classification is right?

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Import Tips & Compliance

β€’ Obtain shellfish origin certificates; clean of flesh residue to meet sanitary standards

β€’ Declare weight accurately as shells are bulky; use ventilated packaging