Research Grade Sulfur Hexafluoride 99.999% from Mexico
5N research-grade SF6 for university spectroscopy and plasma physics experiments. Ultra-pure chemically defined compound under HTS 2812.90.0010.
Duty Rate — Mexico → United States
13.7%
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
• University imports may qualify for duty-free educational exemptions
• Certificate of analysis essential for research purity claims
• Small quantities often exempt from full hazmat shipping papers