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Pierced Silkworm Cocoons Suitable for Reeling from Canada

Pierced silkworm cocoons where pupae have emerged naturally, but filaments remain intact for reeling into silk. These are commonly used in artisanal silk production. HTS 5001.00.00.00 includes them as long as suitable for reeling, per chapter definitions.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Provide lab reports confirming filament length >300 meters to prove reeling suitability

Separate from non-pierced in shipments to avoid average valuation disputes

Comply with CITES if from wild silk strains, though most Bombyx mori are cultivated