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8481.80.90.40/Pneumatic Zero-Dead-Volume Valve for Precursor Lines/Mexico

Pneumatic Zero-Dead-Volume Valve for Precursor Lines from Mexico

Zero dead volume pneumatic valve eliminating trapped precursor in MOCVD precursor delivery for compound semiconductors. HTS 8481.80.9040 other pneumatic appliance critical for gallium arsenide processing. Welded diaphragm design.

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

• Certify for TMGa, TEGa precursors; verify <1μl dead volume; include SEMI S12 purge requirements documentation