Pure Hafnium Sponge from Canada
Porous hafnium sponge produced by reduction of hafnium tetrachloride, an intermediate unwrought form before further processing. Classified under HTS 8112.31.00.00 as unwrought hafnium.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Store and ship under argon atmosphere to prevent pyrophoric ignition risks
• Include production process certification (Kroll vs. other methods) for Customs verification
• Monitor for Department of Energy source material licensing thresholds