Fused Silica Thermocouple Protection Tube
Unworked tube-like rod of fused silica designed to sheath thermocouples in high-temperature furnaces. The rod is in its raw drawn state, not cut or processed, and is classified as an unworked glass rod or tube.
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 tube is part of a complete thermocouple
Thermometers and pyrometers are classified in heading 90.25.
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 tube is unworked and not cut to length
• Provide a description of the tube's dimensions and material
• If the tube is part of a thermocouple assembly, check Chapter 90
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