Corner Cube Prism from Canada
A solid glass prism with three mutually perpendicular faces that retroreflects incident light parallel to itself regardless of angle of incidence. Falls under HTS 9001.90.50.00 as an unmounted optical prism used in surveying, laser ranging, and alignment systems. Provides position-insensitive retroreflection for distance measurement.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide retroreflection efficiency data across specified angular field
• Solid corner cubes vs hollow designs affect classification and valuation
• Specify aperture size and clear aperture percentage for performance verification