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8424.90.90.40/Czochralski Crystal Puller Nozzle Assembly/Mexico

Czochralski Crystal Puller Nozzle Assembly from Mexico

This nozzle assembly is a critical part of Czochralski crystal pullers used in semiconductor wafer manufacturing to project inert gas jets for controlled crystal growth. It falls under HTS 8424.90.90.40 as a component of steam and similar jet projecting machines employed in high-purity monocrystalline silicon boule production. The precise jet projection ensures minimal contamination during the pulling process.

Duty Rate — Mexico → United States

10%

Rate breakdown

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

• Verify classification with CBP rulings specific to semiconductor equipment parts to avoid misclassification as general machinery parts

• Include detailed technical specs and end-use certificates proving semiconductor manufacturing application for duty preferences

Czochralski Crystal Puller Nozzle Assembly from Mexico — Import Duty Rate | HTS 8424.90.90.40