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9021.29.40.00/Clear Retainer Aligners/China

Clear Retainer Aligners from China

Transparent plastic orthodontic retainers made from biocompatible polyurethane, used post-braces to maintain teeth alignment. Falls under HTS 9021.29.40.00 as plastic dental fittings compensating for dental misalignment disabilities. Meets Chapter 90 definition for orthopedic dental appliances.

Duty Rate — China → United States

12.5%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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Import Tips

• Include sterilization validation records and biocompatibility test results (ISO 10993)

• Label clearly as 'single-use medical device' to prevent retail misclassification

• Verify customs declarations specify 'custom-fitted dental appliances' not cosmetic orthodontics