Ingot Mold Cooling Jacket from Mexico
Water-cooled jacket surrounding ingot molds in semiconductor casting machines for controlled crystallization rates. Used in metal foundries for uniform silicon boule quality. Parts of 8454.90.00.
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
• Detail cooling channel specs and flow rates to confirm casting function
• Pressure-test certificates required for vessel classification avoidance
• Mark 'for metallurgical ingot molds only' to prevent general heat exchanger duty