Nickel Foam for Fuel Cell Electrodes
Open-cell nickel foam substrate for catalyst deposition in alkaline fuel cells. It is an other article of nickel per HTS 7508.90.50.00, representing advanced porous fabrication. High surface area for electrochemical reactions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If unsintered nickel powder precursor material
Nickel powders and flakes classify under subheading 7505.22.
If assembled as complete fuel cell electrode
Parts of fuel cells and electrochemical generators fall under heading 8501.
If precious metal catalyst already applied
Articles of precious metal catalysts on nickel shift to Chapter 71.
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Import Tips & Compliance
• Provide porosity specs (PPI rating) and density measurements
• Hydrogen equipment certification may qualify for duty exemptions
• Electrochemically active coating declarations affect classification
Related Products under HTS 7508.90.50.00
Nickel Wire Mesh Screen
A fine mesh screen woven from pure nickel wire, used for filtration in chemical processing equipment. It falls under HTS 7508.90.50.00 as an other article of nickel, not specified elsewhere in Chapter 75. This classification applies to fabricated nickel products beyond basic forms like bars or plates.
Nickel Crucible for Laboratory Use
A small, high-purity nickel crucible designed for melting and holding corrosive substances in lab settings. Classified under HTS 7508.90.50.00 as other articles of nickel due to its specialized fabricated shape. Not a basic plate or tube, it serves as lab ware.
Nickel Anode Basket for Electroplating
Perforated basket made from nickel mesh to hold anodes during electroplating baths. It is an other article of nickel under HTS 7508.90.50.00, as a fabricated industrial component. Distinct from raw nickel shapes due to its assembled, functional design.
Nickel Thermocouple Sheath
Protective tube-shaped sheath of pure nickel for housing thermocouple wires in high-temperature environments. Falls under HTS 7508.90.50.00 as other nickel articles, fabricated beyond simple tubing. Used in industrial sensors for corrosion resistance.
Nickel Evaporation Boat for Vacuum Deposition
Small, boat-shaped nickel container used to hold materials for evaporation in vacuum coating processes. Classified as other articles of nickel under HTS 7508.90.50.00 due to its precision-formed shape for semiconductor manufacturing. Not a basic foil or sheet.
Nickel Spacer Ring for Aerospace Fasteners
Precision-machined ring-shaped spacer made from pure nickel for use in aerospace turbine assemblies. It is an other article of nickel per HTS 7508.90.50.00, as a fabricated component. Provides corrosion resistance in high-stress environments.