Indium Foil for Thermal Interface
Thin indium foil sheets applied between heat-generating components and heatsinks in electronics for superior thermal conductivity. As an article of indium, the foil is classified under tariff item 8112.99.00, being a fabricated product with a specific use.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the foil is in an unwrought form
Unwrought indium is classified separately.
If the foil is part of a thermal management machine
Machines for specific functions may be classified in Chapter 84.
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
• Confirm the foil meets the definition of 'plates, sheets, strip, and foil' in Section XV, with thickness not exceeding one-tenth of width
• Provide documentation of the foil's dimensions and purity
• If the foil is part of a thermal management system, consider if it is classified with the system
Related Products under Tariff item 8112.99.00
Beryllium Copper Alloy Machined Part
Precision-machined beryllium copper components for aerospace connectors, where beryllium is present but not necessarily predominant. Under Section XV alloy rules, if beryllium predominates by weight over each other metal, the article falls under tariff item 8112.99.00 as an article of beryllium.
Cadmium Sputtering Target
A high-purity cadmium disc used in physical vapor deposition for thin-film coating in electronics manufacturing. As a fabricated article of cadmium, it is classified under tariff item 8112.99.00, distinct from unwrought cadmium or waste.
Cadmium Telluride Solar Wafer
A thin-film cadmium wafer substrate for CdTe photovoltaic cells, made from pure cadmium before compound formation. As an article of cadmium, it falls under tariff item 8112.99.00, provided it has been shaped or processed beyond the unwrought state.
Chromium Evaporation Pellet
Cylindrical chromium pellets loaded into e-beam evaporators for metallizing optical coatings. As fabricated articles of chromium, these pellets are classified under tariff item 8112.99.00, being distinct from unwrought chromium or waste.
Ferrovanadium Alloy
Ferrovanadium alloy containing less than 99% vanadium by weight, used as an additive in steel production to enhance strength and toughness. The alloy is classified under this tariff item as 'other' vanadium products, as vanadium predominates by weight over other metals.
Gallium Metal Beads
Spherical gallium beads used in research and calibration of analytical instruments due to their low melting point. As articles of gallium, these beads are classified under tariff item 8112.99.00, excluding waste and unwrought material.