8112.39.00.00/High-Purity Hafnium Granules/China

High-Purity Hafnium Granules from China

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 — China → United States

39%

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

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

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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