Fused Silica Wafer Boat Support
A fused silica holder designed to support multiple wafer boats within oxidation furnaces for semiconductor production. It provides thermal uniformity and contamination-free handling during wafer processing. This specialized glass article is not elsewhere specified and falls under tariff item 7020.00.90 as 'Other' articles of glass.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 6.5% | — | 6.5% |
| 🇲🇽Mexico | 6.5% | — | 6.5% |
| 🇺🇸United States | 6.5% | — | 6.5% |
| 🇩🇪Germany | 6.5% | — | 6.5% |
| 🇯🇵Japan | 6.5% | — | 6.5% |
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the holder is a part of a semiconductor manufacturing machine
Parts of semiconductor machines are classified under heading 8486.
If used in laboratory settings
Laboratory glassware of fused quartz is classified under heading 7017.
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
• Provide detailed drawings showing the holder's function in semiconductor furnaces to support classification under 7020.00.90
• Ensure the product is not classified as a part of a machine under heading 8486 if imported separately
• Verify if the importer qualifies for duty-free treatment under certain manufacturing programs
Related Products under Tariff item 7020.00.90
Aquarium Glass Ornament
A submersible glass treasure chest or seashell sculpture for fish tank decoration, safe for aquatic environments. It is designed for pet habitat enhancement and is not a toy or laboratory glassware. This decorative glass article falls under tariff item 7020.00.90 as 'Other' articles of glass.
Artisan Glass Bottle Stopper
A decorative solid glass cork replacement with colored twists or animal shapes for wine or spirit bottles. It is constructed entirely of glass and serves as a closure, distinct from metal or rubber closures. This glass article is not covered by other headings and falls under tariff item 7020.00.90 as 'Other' articles of glass.
Blown Glass Figurine
A delicate hand-blown glass animal or abstract figure for shelf display, with hollow construction. It is intended for adult collectors and is not a toy or imitation jewellery. This decorative glass article falls under tariff item 7020.00.90 as 'Other' articles of glass.
CVD Quartz Reactor Liner
A fused silica quartz liner tube designed for chemical vapor deposition (CVD) reactors in semiconductor manufacturing. It protects the furnace chamber from corrosive process gases while maintaining optical transparency for monitoring. This product is a specialized industrial article of glass, not elsewhere specified, and falls under tariff item 7020.00.90 as 'Other' articles of glass.
Decorative Glass Kaleidoscope
A handheld viewing tube with internal glass beads and mirrors creating symmetric patterns when rotated. It is a decorative novelty item, not an optical instrument under chapter 90. This glass article falls under tariff item 7020.00.90 as 'Other' articles of glass.
Decorative Glass Tealight Holder
A freestanding colored glass vessel with cutouts for holding tealight candles, used for ambient lighting decoration. It is not a lamp or lighting fitting under heading 9405. This decorative glass article falls under tariff item 7020.00.90 as 'Other' articles of glass.