Pneumatic Tank Blanket Valve for Process Vessels from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify blanket gas (N2, Ar) flow rates; include O2 analyzer interface; comply with NFPA 86 furnace atmosphere requirements