Silicon Ingot Grinder from Mexico
Precision grinder for shaping silicon ingots to exact diameter prior to wafer slicing in semiconductor production. Classified HTS 8479.90.95 as crystal grinder per statistical note. Handles 200mm-450mm diameter ingots.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) of U.S. note 16 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• Specify ingot diameter range (150-450mm) and flat grinding positions (primary/secondary flats)
• Include vibration isolation and coolant filtration system descriptions
• Distinguish from metallurgical grinders by semiconductor material handling features