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Mussel Byssus Threads from Mexico

Dried byssus (beard) threads from mussels, unfit for food, used in biotech or textiles. Under 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

Import Tips

Clean of flesh to confirm non-edible

Patents or research docs support industrial use

Small volume imports easier