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8481.80.90.40/Pneumatic Tank Blanket Valve for Process Vessels/Japan

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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Specify blanket gas (N2, Ar) flow rates; include O2 analyzer interface; comply with NFPA 86 furnace atmosphere requirements