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8481.80.90.40/Pneumatic Needle Valve for Precision Dopant Injection/Japan

Pneumatic Needle Valve for Precision Dopant Injection from Japan

Micrometer-controlled pneumatic needle valve for dopant precursor injection in semiconductor crystal growth. Under HTS 8481.80.9040 as other precision pneumatic valve. 0.001" resolution flow control.

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

• Document dopant precursor compatibility (POCl3, PH3); include stem resolution specs; SEMI MFAS flow accuracy certification