Heptafluoropentene from Germany
Heptafluoropentene acts as a deposition precursor in chemical vapor deposition for fluorocarbon films. Classified HTS 2903.59.90.00 as unsaturated fluorinated acyclic hydrocarbon per Chapter 29 scope. Pure compound status confirmed by spectroscopic analysis.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Submit process gas specification sheets showing moisture <10 ppm
• Include leak test certificates for cylinders per CGA C-6 standards
• Declare CVD manufacturing end-use to qualify for potential duty exemptions