Wafer Lapping Process Chiller Heat Exchanger Plate
A brazed plate heat exchanger for chillers in wafer lapping and polishing machines, removing heat from coolant to achieve nanoscale flatness tolerances. It is a part of machinery for the treatment of materials by a process involving a change of temperature, classified under tariff item 8419.90.00.
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 imported as a complete heat exchange unit
Complete heat exchange units are classified under 8419.50, while this item covers parts thereof.
If the plate is presented as a part of semiconductor manufacturing machinery
Parts of machines for the manufacture of semiconductors are classified in heading 84.86.
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
• Ensure the heat exchanger plate is described as a component of a chiller used in semiconductor wafer processing to support classification under this item
• If the plate is part of a complete chiller, it may be classified with the chiller under heading 8419
• Verify whether the product is subject to any anti-dumping or countervailing duties
Related Products under Tariff item 8419.90.00
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A high-temperature piping manifold distributing molten salt coolant around an acrylic acid reactor shell, constructed from alloy for thermal shock resistance. It is a part of machinery for the treatment of materials by a process involving a change of temperature, classified under tariff item 8419.90.00.
Acrylic Acid Reactor Salt Pump Impeller
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