Iridium Sponge from Mexico
Iridium sponge is a porous, semi-manufactured form of iridium metal produced by reducing iridium compounds, used in the manufacture of high-temperature alloys and spark plugs. It falls under HTS 7110.49.00 as 'other' iridium in semi-manufactured form, distinct from unwrought bars or powder. This classification applies per Chapter 71 notes treating iridium as platinum group metals.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Verify metal purity via assay certificate to confirm iridium predominance per note 5 classification rules
• Provide origin documentation proving non-CITES restricted sourcing for precious metals
• Avoid misclassification as scrap (7112) by ensuring sponge is semi-manufactured, not waste