Cast Osmium Sponge from Japan
Porous osmium sponge produced by reduction processes, considered unwrought as it requires further refining before fabrication. HTS 7110.41.00.20 covers such basic forms of osmium, a dense platinum group metal used in alloys.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Include production process documentation confirming unwrought status (no mechanical working)
• Conduct density and spectroscopy tests to distinguish from alloys
• Comply with precious metals reporting requirements under CBP Form 3310