Pneumatic Tank Blanket Valve for Process Vessels from Canada
Blanketing valve pneumatically maintaining inert atmosphere in semiconductor processing tanks. HTS 8481.80.9040 other pneumatic appliance for wafer processing vessels. Maintains <10ppm O2 levels.
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
• Specify blanket gas (N2, Ar) flow rates; include O2 analyzer interface; comply with NFPA 86 furnace atmosphere requirements