Sapphire Ingot for Optical Window Substrates from Japan
Synthetic sapphire (aluminum oxide) ingot grown by the Czochralski method, weighing more than 2.5 grams, used for laser windows and scratch-resistant displays. This cultured crystal is not an optical element and falls under heading 38.24.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the ingot is accompanied by a certificate of analysis confirming weight and growth method
• Confirm the product is not a finished optical element
• Consult CBSA for classification rulings if uncertain