Fused Quartz Rod-Tubes for Laboratory Furnaces
Hybrid rod-tube fused quartz glass unworked structures for custom lab furnace construction. They are classified under this tariff item as other unworked glass tubes, including fused silica per chapter note 5, and are used for extreme thermal properties in research heating.
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 rod-tubes are for laboratory use
Laboratory glassware of fused quartz or fused silica falls under heading 70.17.
If the rod-tubes are other articles of glass for industrial use
Other articles of glass fall under heading 70.20.
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
• Confirm the fused quartz composition and that the tubes are unworked
• Provide documentation showing the silica content to support classification
• Be aware that fused quartz is included in the definition of glass for this chapter
Related Products under Tariff item 7002.39.00
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Borosilicate Glass Test Tubes 100mm
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