Hafnium Evaporation Pellets
Small hafnium pellets used in vacuum deposition for thin-film coatings in semiconductors and optics. HTS 8112.39.00.00 covers these as 'other' hafnium articles, not basic unwrought powder.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 4% | +35.0% | 39% |
| 🇲🇽Mexico | 4% | +10.0% | 14% |
| 🇨🇦Canada | 4% | +10.0% | 14% |
| 🇩🇪Germany | 4% | +10.0% | 14% |
| 🇯🇵Japan | 4% | +10.0% | 14% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If granular powder form
Powder/granules are unwrought under 8112.11; formed pellets are fabricated 'other'.
If chemically treated for deposition
Prepared additives for manufacturing (e.g., doped hafnium) may fall under Chapter 38.
If mounted in evaporation source assemblies
Machines/parts for semiconductor manufacture including assembled sources in Chapter 84.
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Import Tips & Compliance
• Include vacuum-grade purity certificates (≥99.9% Hf) and particle size specs for customs valuation
• Package as non-hazardous if stabilized; reactive hafnium requires UN proper shipping names
• Monitor for re-export controls under EAR/ITAR for dual-use semiconductor applications
Related Products under HTS 8112.39.00.00
Hafnium Sponge
Porous hafnium metal produced by reducing hafnium tetrachloride with magnesium, used in nuclear reactor control rods and aerospace alloys. Classified under HTS 8112.39.00.00 as 'other' hafnium not specified elsewhere in the hafnium heading, distinct from unwrought forms like powder or bars.
Hafnium Master Alloy Ingot
Compact ingot of hafnium with trace elements for alloying in superalloys, used in jet turbine blades. Falls under HTS 8112.39.00.00 as 'other' articles of hafnium, provided hafnium content is ≥99% and not unwrought powder.
Hafnium Reactor Control Rod Segments
Machined hafnium segments for nuclear reactor control rods that absorb neutrons. Classified in HTS 8112.39.00.00 as 'other' hafnium articles due to specific nuclear fabrication beyond basic wrought forms.
Hafnium Wire for Additive Manufacturing
High-purity hafnium wire spooled for laser powder bed fusion in aerospace prototyping. Classified under HTS 8112.39.00.00 as 'other' wrought hafnium products beyond standard profiles.
Recovered Hafnium Machining Scrap
Clean hafnium turnings and chips from aerospace component machining, suitable for remelting. Under HTS 8112.39.00.00 as 'other' hafnium including processed scrap forms, separate from raw waste.
Hafnium Foil for Superalloy Cladding
Thin hafnium foil sheets used to clad nickel superalloy turbine blades for oxidation resistance. HTS 8112.39.00.00 for 'other' hafnium sheet/foil beyond basic thicknesses.