Czochralski Crystal Puller from Mexico
A Czochralski crystal puller is specialized machinery used to grow monocrystalline silicon boules by melting polycrystalline silicon and slowly pulling a seed crystal to form ingots for semiconductor wafer production. It involves precise temperature control for melting and crystallization processes. Classified under HTS 8419.89.95 as equipment for temperature-based material treatment in semiconductor manufacturing.
Duty Rate — Mexico → United States
14.2%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Verify equipment meets statistical note definitions for semiconductor manufacturing to avoid reclassification
• Provide detailed technical specs and end-use certificates for clean energy exemptions if applicable
• Ensure proper documentation of temperature control features to distinguish from Chapter 84 heading 8486