Fused Silica Glass Tubes for Semiconductor Processing
Unworked fused silica tubes designed for high-purity environments in semiconductor diffusion furnaces and wafer processing. They are classified under this tariff item as other unworked glass tubes, leveraging the chapter definition of fused silica as glass.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the tubes are for semiconductor manufacturing equipment
Other articles of glass for industrial use fall under heading 70.20.
If the tubes are parts of semiconductor manufacturing machinery
Machines for the manufacture of semiconductor devices fall under heading 84.86.
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 tubes are unworked and not fitted with any devices
• Provide purity certificates and dimensions to the CBSA
• Note that fused silica is considered glass for tariff purposes
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