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8112.31.00.00/Pure Hafnium Sponge/Mexico

Pure Hafnium Sponge from Mexico

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 — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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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

Pure Hafnium Sponge from Mexico — Import Duty Rate | HTS 8112.31.00.00