High-Index Glass Lens Blanks from Canada
These thin, lightweight glass blanks with high refractive index (1.60-1.74) are molded for progressive or bifocal corrective lenses before surfacing. They qualify under HTS 7015.10.00.00 as unworked glasses for spectacles, bent or hollowed but not optically processed. Ideal for strong prescriptions requiring minimal thickness.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include lab tests for refractive index to substantiate high-index claims and corrective purpose
• Ensure customs declarations specify 'not optically worked' per chapter notes to maintain this classification
• Watch for anti-reflective coatings; if applied, they may trigger reclassification if considered worked