Float Zone Crystal Furnace Gas Valve from Germany
High-purity bellows-sealed valve for inert gas control in float zone method silicon crystal pullers, preventing impurities in monocrystalline growth. Falls under HTS 8481.80.9050 for other semiconductor manufacturing appliances. Withstands RF heating environments.
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
• Include RF compatibility certifications to tie to float zone equipment
• Document gas compatibility (e.g
• H2, Ar) for statistical note validation