Crystal Boule Melt Stirrer
A magnetic or mechanical stirrer for semiconductor melt crucibles, ensuring dopant uniformity during crystal growth and preventing striations in finished silicon ingots. This machine falls under tariff item 8479.82.00 as a stirring machine for semiconductor processing.
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 stirrer is integrated into a crystal growing machine
Machines for manufacturing semiconductor devices may be classified under this heading.
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
• Classify the stirrer as a stirring machine, not as a part of crystal growth equipment
• Ensure the stirrer is designed for high-temperature semiconductor environments
• Provide technical data on its operation for CBSA review
Related Products under Tariff item 8479.82.00
Chemical Powder Blender
A ribbon blender that homogeneously mixes dry chemical powders through helical ribbon agitation, ensuring consistent batch composition. This machine falls under tariff item 8479.82.00 as a mixing and homogenizing machine for industrial chemical processing.
Crystal Boule Grinder
A machine that grinds semiconductor crystal boules to precise diameters required for standard wafer production and etches flats for resistivity indication. This machine falls under tariff item 8479.82.00 as grinding apparatus for semiconductor processing.
Crystal Orientation Grinder
A grinding machine that precisely orients semiconductor crystal flats to crystallographic planes for device fabrication. This machine falls under tariff item 8479.82.00 as an essential wafer preparation step for semiconductor manufacturing.
Double-Sided Wafer Lapper
A simultaneous double-sided lapping machine for semiconductor wafers, achieving uniform thickness across the entire wafer surface. This machine falls under tariff item 8479.82.00 as specialized grinding and lapping equipment for semiconductor processing.
Epitaxial Gas Premix Kneader
A kneading machine for multi-component precursor gas mixtures used in epitaxial layer growth on semiconductor wafers, ensuring stoichiometric uniformity. This machine falls under tariff item 8479.82.00 as a kneading machine for semiconductor processing.
Gallium Arsenide Precursor Homogenizer
An emulsifying and stirring machine for gallium arsenide compound semiconductor precursors, ensuring molecular uniformity before MOCVD reactor introduction for wafer epitaxy. This machine falls under tariff item 8479.82.00 as a homogenizing machine for semiconductor processing.