Unwrought Osmium Sponge from Mexico
Porous osmium sponge from hydrogen reduction, 99.9% purity, not sintered. Unwrought form under HTS 7110.49.0050 excluding powder definition.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Density < metal confirms sponge vs. powder status
• Hydrogen content analysis prevents explosive misdeclaration
• Supplier refining logs trace conflict mineral exclusion