Perfluorohexene (C6F12) from Canada
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 — Canada → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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)