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7110.49.00.50/Unwrought Osmium Sponge/Mexico

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

9903.05.860%Universal product exemption (U.S. note 52(b))
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Import Tips

• Density < metal confirms sponge vs. powder status

• Hydrogen content analysis prevents explosive misdeclaration

• Supplier refining logs trace conflict mineral exclusion