Tungsten Powder for Catalysts
Activated tungsten powder as hydrogenation catalyst precursor in chemical industry. Pure metal powder under HTS 8101.10.00.00.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If supported on carriers
Prepared catalysts with tungsten classify under Chapter 38.
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Import Tips & Compliance
• Surface area specs for activation grade
• Hazardous material declaration for pyrophoricity
Related Products under HTS 8101.10.00.00
Atomized Tungsten Powder
Gas-atomized tungsten powder with controlled spherical morphology for powder metallurgy and thermal spraying. HTS 8101.10.00.00 covers all such tungsten powder forms.
Tungsten Powder for Lamp Filaments
High-purity, coarse tungsten powder for drawing into lamp filament wire. Specifically powders under HTS 8101.10.00.00 before wire-forming.
Reduced Tungsten Powder
Hydrogen-reduced tungsten powder from ammonium paratungstate, standard for PM parts. HTS 8101.10.00.00 for this intermediate powder form.
Tungsten Heavy Alloy Powder
Pre-alloyed W-Ni-Fe powder (92-97% W) for radiation shielding and balance weights. Borderline HTS 8101.10.00.00 if W >99% relative, but often alloys.
Micron Tungsten Powder 5-10um
Fine 5-10 micron tungsten powder for injection molding of complex parts. HTS 8101.10.00.00 due to powder state.
Tungsten Powder for Electronics
Ultra-pure tungsten powder for semiconductor contacts and thick-film pastes. Classed HTS 8101.10.00.00 for purity >99.999%.