Semiconductor Wafer Casting Converter Nozzle from Japan
High-precision nozzle for converters in silicon casting machines used in metallurgy for semiconductor wafer production. It controls molten silicon flow during ingot formation in foundries. Classified in 8454.90.00 as converter parts for metallurgical casting.
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
• Provide engineering drawings showing integration with 8454 converters to prevent parts misclassification
• Ensure customs declaration includes 'for silicon foundry casting' to qualify under metallurgy provisions
• Test for wear-resistant coatings compliance with REACH regulations