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8481.80.90.40/Pneumatic Diverter Valve for Multi-Gas Crystal Growth/Mexico

Pneumatic Diverter Valve for Multi-Gas Crystal Growth from Mexico

Diverter valve pneumatically switching between process gases (Ar, H2, N2) in crystal growth furnaces. HTS 8481.80.9040 other pneumatic valve for semiconductor boule production. Zero bubble tight isolation.

Duty Rate — Mexico → United States

12%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Include gas matrix compatibility (H2, arsine); verify <RGA 10^-10 Torr.l/s leak rate; SEMI S23 gas requirements