Spent Rhenium Filament Scrap from Mexico
Discarded rhenium wire filaments from mass spectrometer ion sources, broken and contaminated with trace elements. HTS 8112.41.10.00 applies as rhenium waste and scrap suitable for remelting and purification. Primarily sourced from laboratory and analytical equipment decommissioning.
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
• Provide equipment origin documentation to prove rhenium filament composition and avoid 7419 classification
• Segregate from tungsten filaments (8101.99) during import inspection to prevent commingling errors
• Include smelter recovery yield estimates in commercial invoice for customs valuation