Perfluorohexene (C6F12) from Mexico
Perfluorohexene used in fluorocarbon plasma deposition for optical coatings. Meets HTS 2903.59.90.00 as longer-chain unsaturated fluorinated acyclic hydrocarbon. Chapter 29 note (e) allows transport solvents.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide vapor pressure curves confirming supercritical fluid properties
• Use PFA-lined cylinders for long-chain fluorocarbon compatibility
• Include optical index of refraction specifications (1.34-1.38 range)