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3407.00.40.00/Casting Plaster for Dental Models/Mexico

Casting Plaster for Dental Models from Mexico

Fast-setting gypsum paste for pouring dental investment molds. Under HTS 3407.00.40.00 as other dental plaster prep. Low expansion for crown/bridge accuracy.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Investment expansion data critical for dental verification

• Pre-mixed paste form docs prevent powder downgrades

• Shelf stability testing for gypsum hydration control