2903.59.90.00/Perfluorohexene (C6F12)/Japan

Perfluorohexene (C6F12) from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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)