Silicon Ingot Slicing Saw Wire Tensioner from Japan
Pneumatic tensioner attachment mounts on multi-wire wafer slicing saws (8429) to maintain diamond wire tension during high-speed slicing of silicon ingots into thousands of wafers simultaneously. 8431.49.9020.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.82.2215%Derivative steel articles the product of Argentina, Ecuador, El Salvador, Guatemala, Japan, the Republic of Korea, Liechtenstein, Switzerland, Taiwan, the United Kingdom, or a member nation of the European Union, as provided for in subdivision (c)(xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Document wire speed (30-100m/s) and tension force ratings
• Include saw model cross-reference for principal use proof
• Mechanical tensioners for non-semiconductor saws go to 8434