Thallium Evaporation Boat Scrap from Mexico
Used thallium evaporation boats and crucibles scrapped from thin-film deposition in optics manufacturing. HTS 8112.52.00.00 covers such thallium articles and waste with predominant thallium content.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document original use in vacuum deposition processes to justify scrap status
• Test for purity to confirm not alloyed per Chapter 81 alloy exclusion note
• Use specialized packaging to prevent thallium dust release during transit