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Wafer Lapping Plate from Mexico

Cast iron or composite lapping plate used in semiconductor wafer grinders/lappers to achieve precise flatness and thickness uniformity on wafer surfaces before fabrication. Purely mechanical surface finishing part without electrical features. Classified 8487.90.00 as other machinery component.

Duty Rate — Mexico → United States

13.9%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Specify plate material and flatness tolerances proving semiconductor wafer application

Include maintenance records showing lapping slurry compatibility

Avoid glass industry classification under Chapter 70