Hafnium Metal Powder from Japan
Fine hafnium powder used in powder metallurgy for manufacturing high-strength alloys and thermal spray coatings in aerospace turbines. Classified under HTS 8112.31.00.00 explicitly covering powders of hafnium.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide particle size distribution and purity certificates to confirm classification as unwrought powder, not fabricated articles
• Comply with REACH or TSCA chemical registration for fine metal powders due to inhalation health risks
• Package in inert atmosphere containers to prevent oxidation during transit