8112.39.00.00/High-Purity Hafnium Granules/Mexico

High-Purity Hafnium Granules from Mexico

Granular hafnium (>99.95% pure) for plasma spray coatings on rocket nozzles. HTS 8112.39.00.00 treats sized granules as 'other' beyond unwrought powder specs.

Duty Rate — Mexico → United States

14%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

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Import Tips

• Particle size distribution (e.g

• 45-150μm) distinguishes from powder classification

• Inert gas repackaging required; exposure creates oxide impurities

• Link to specific MIL/AMS specs for defense contract compliance