Synthetic Sapphire Lens Blank Alternative Glass from United States
A synthetic sapphire (aluminium oxide) lens blank used as a durable alternative to glass in optical applications. It is classified under this tariff item because it is an optical element of glass (fused silica and similar materials are included per Chapter 70 Note 5) that has not been optically worked.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the sapphire blank is not optically worked (no grinding or polishing) to qualify for this tariff item
• Keep supplier documentation describing the material and processing stage for CBSA verification