9001.90.90.00/PMMA Contact Lens Button/Japan

PMMA Contact Lens Button from Japan

Polymethyl methacrylate (PMMA) buttons for lathe-turning rigid gas-permeable contact lenses. Classifies HTS 9001.90.90.00 as unmounted polymer optical elements for vision correction. Standard optician raw material.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Dk oxygen permeability specs and wettability data for FDA clearance

• Button geometry (diameter, center thickness) confirms lens blank status

• Medical device 510(k) documentation coordinates with customs