Indium Foil for Thermal Interface
Thin indium foil sheets applied between heat-generating components and heatsinks in electronics for superior thermal conductivity. Classified as an article of indium under HTS 8112.99.9100.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 4% | +25.0% | 29% |
| 🇲🇽Mexico | 4% | — | 4% |
| 🇨🇦Canada | 4% | — | 4% |
| 🇩🇪Germany | 4% | — | 4% |
| 🇯🇵Japan | 4% | — | 4% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If alloyed primarily with copper
Copper-indium alloys (>50% copper) fall under Chapter 74 copper articles.
If pre-applied to computer parts
Assembled into machinery parts, moves to Chapter 84/85 as computer components.
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Import Tips & Compliance
• Specify thickness and purity on invoice to classify as foil article, not unwrought
• Avoid generic 'metal foil' description to prevent misclassification
• Declare RoHS compliance if for consumer electronics assembly
Related Products under HTS 8112.99.91.00
Cadmium Sputtering Target
A high-purity cadmium disc used in physical vapor deposition for thin-film coating in electronics manufacturing. Classified under HTS 8112.99.9100 as an article of cadmium, a base metal listed in this heading, distinct from waste or scrap.
Germanium Lens Blank
A polished germanium wafer used as a blank for infrared optical lenses in thermal imaging devices. Falls under HTS 8112.99.9100 as an article of germanium, not a finished optical element or waste.
Gallium Metal Beads
Spherical gallium beads used in research and calibration of analytical instruments due to low melting point. HTS 8112.99.9100 covers these as articles of gallium, excluding waste.
Niobium Crucible
High-temperature niobium crucible for melting reactive metals in vacuum furnaces. As a fabricated article of niobium (columbium), it is under HTS 8112.99.9100.
Vanadium Evaporation Boat
Small vanadium boat-shaped container for vacuum evaporation of thin films in semiconductor production. Classified under HTS 8112.99.9100 as vanadium article.
Hafnium Powder Compact
Pressed and sintered hafnium powder into disc form for nuclear reactor control components. HTS 8112.99.9100 for hafnium articles beyond waste.