Calcium Fluoride Ingot for UV Laser Optics
A Czochralski-grown calcium fluoride (CaF2) single crystal ingot, weighing more than 2.5 grams, intended for use in excimer laser optical windows. It is a cultured crystal that is not yet an optical element, and is therefore classified under this tariff item as a chemical product.
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 has been processed into an optical element
Optical elements of Chapter 90 are excluded from Chapter 38.
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 not yet an optical element (e.g
• not polished or coated) to qualify under this item
• Declare the exact weight and growth method (Czochralski) on customs documents
• Check if the end-use requires an import permit under Canada's controlled goods regulations
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