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8463.90.00.40/Used Wafer Surface Polisher/Mexico

Used Wafer Surface Polisher from Mexico

Rebuilt polisher achieving sub-angstrom surface roughness on silicon wafers for device fabrication. Classifies 8463.90.0040 as used metalworking without removal for semiconductor prep. Critical mirror finish step.

Duty Rate — Mexico → United States

14.4%

Rate breakdown

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

• Specify RMS surface roughness achievable (<0.5nm)

• Document pad conditioning system status

• Ensure cleanroom compatibility certification