Float Zone Crystal Furnace Gas Valve from Canada
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 — Canada → United States
12%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include RF compatibility certifications to tie to float zone equipment
• Document gas compatibility (e.g
• H2, Ar) for statistical note validation