Czochralski Crystal Puller Ingot Mold
> A precision ingot mold designed for Czochralski crystal growers used in semiconductor wafer production from high-purity silicon. It shapes the monocrystalline boule during the pulling process in metallurgical crystal growth. As a part of an ingot mold used in metallurgy, it is classified under tariff item 8454.90.00.
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 mold is for metal injection molding or similar processes
Molds for metal may be classified under heading 84.80 if they are not parts of ingot molds.
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
• > Declare the mold as a part of an ingot mold used in metallurgy, not as a complete machine
• Provide documentation showing its specific use in Czochralski crystal growth
• Ensure the mold is not classified as a machine tool under Chapter 84
Related Products under Tariff item 8454.90.00
Casting Converter Graphite Crucible Insert
> A graphite crucible insert designed for use in converters during silicon melting in semiconductor metallurgy. It provides high-purity containment to prevent contamination of the molten material during casting processes. As a component of a converter used in metallurgy, it is classified as a part under tariff item 8454.90.00.
Cold Chamber Die Casting Machine Injector Piston
> A piston that injects molten metal into the die of cold chamber die casting machines, handling non-ferrous alloys like aluminum at high velocities. It is engineered for durability in high-pressure metallurgy applications. As a part of a casting machine, it is classified under tariff item 8454.90.00.
Crystal Boule Casting Ladle Assembly
> A modular ladle assembly used in ingot casting machines for semiconductor metallurgy, specifically handling molten polysilicon for boule formation. It is designed for use in metal foundries to produce wafer precursors. As a part of a ladle used in metallurgy, it falls under tariff item 8454.90.00.
Die Casting Machine Cooling Line Manifold
> Manifolds distribute coolant through die casting machine platens to control metal solidification rates. They are corrosion-resistant for water/glycol in foundries. As a part of a casting machine, they fall under tariff item 8454.90.00.
Die Casting Machine Die Clamp
> Heavy-duty clamps secure dies during high-pressure casting cycles in die casting machines. They are heat-treated for repeated metallurgy operations with aluminum and zinc. As a part of a casting machine, they are classified under tariff item 8454.90.00.
Die Casting Machine Gooseneck Assembly
> The gooseneck assembly channels molten metal from the hot chamber to the die in hot chamber die casting machines. It is made from high-temperature refractory materials for zinc and magnesium alloys. As a part of a casting machine, it falls under tariff item 8454.90.00.