Perfluoro-2-pentene from Germany
Perfluoro-2-pentene serves as a selective etchant for advanced semiconductor nodes. Falls under HTS 2903.59.90.00 as unsaturated fluorinated acyclic hydrocarbon isomer. Chapter 29 classification rules prioritize principal chemical character.
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 SEMATECH process qualification documentation
• Use helium leak detection certification (<1x10^-9 scc/sec)
• Declare 7N purity level for 3nm+ semiconductor compatibility