Pure Hafnium Sponge from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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