Sapphire Ingot for Optical Window Substrates
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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the ingot is further processed into an optical element
Finished optical elements are classified in Chapter 90.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• 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
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