8112.39.00.00/High-Purity Hafnium Granules/Japan

High-Purity Hafnium Granules from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Calculate with your customs value Verify classification with AI

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