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%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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