Czochralski Crystal Puller Ingot Mold from Mexico
This high-precision ingot mold is designed for use in Czochralski crystal pullers to produce monocrystalline silicon boules for semiconductor wafers. It falls under HTS 8454.90.00.60 as a part of casting machines used in metallurgy for growing pure semiconductor crystals. The mold ensures uniform heat distribution during the crystal growth process.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify material composition (e.g
• high-purity graphite or quartz) meets semiconductor-grade standards to avoid reclassification
• Include detailed technical specs and end-use certification for semiconductor manufacturing to qualify for potential duty relief programs