Ingot Mold Cooling Jacket from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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