Quartz Glass Inner for Industrial Vacuum Reaction Vessel
A fused quartz glass inner cylinder for high-temperature industrial vacuum reaction vessels used in chemical processing. It provides chemical resistance and vacuum integrity under extreme conditions. Made of fused quartz, it has a low thermal expansion coefficient, qualifying it under this tariff item as a glass inner for vacuum vessels.
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 glass inner is not for a vacuum vessel
The 'Other' item covers glass articles not specifically described in this tariff item.
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
• Verify the product is a glass inner for a vacuum vessel and made of fused quartz with the specified expansion coefficient
• Provide technical documentation of its use in vacuum reaction vessels
• Ensure accurate classification to avoid higher duty rates under other headings
Related Products under Tariff item 7020.00.10
Borosilicate Glass Inner for Thermos Vacuum Flask
A glass inner liner made from borosilicate glass designed specifically for use inside thermos vacuum flasks to hold hot or cold liquids. It fits precisely within the outer stainless steel shell, creating the vacuum insulation layer. This product is explicitly listed under tariff item 7020.00.10 as a glass inner for vacuum flasks.
Borosilicate Inner Flask for Coffee Thermal Carafe Vacuum Vessel
A glass inner flask for electric coffee maker thermal carafes, creating vacuum insulation between glass and stainless exterior to keep coffee hot. It is precision-molded with a handle recess for vacuum vessel integration. This product qualifies as a glass inner for vacuum vessels under this tariff item.
Glass Inner Tube for Portable Vacuum Camping Mug
A thin-walled borosilicate glass inner tube for stainless steel camping vacuum mugs, enabling 24-hour hot/cold retention via vacuum insulation. It features leak-proof lid threading for secure closure. This product is a glass inner for a vacuum vessel, qualifying under this tariff item.
Glass Liner Inner for Laboratory Vacuum Dewar Flask
A high-purity borosilicate glass inner container for cryogenic vacuum Dewar flasks used in scientific labs to store liquefied gases. The inner wall forms the vacuum space with the outer wall for superior insulation. This product is a glass inner for a vacuum vessel, fitting this tariff item.
Replacement Glass Inner for Stanley Adventure Vacuum Bottle
An OEM replacement borosilicate glass liner for stainless steel vacuum bottles, featuring a threaded neck for secure vacuum seal. It is designed to maintain beverage temperature through double-wall vacuum insulation. This product is a glass inner for a vacuum vessel, fitting this tariff item.