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8484.20.00.00/Silicon Wafer Lapper Mechanical Seal/Canada

Silicon Wafer Lapper Mechanical Seal from Canada

Mechanical seal for lapping machine platens processing silicon wafers to exact thickness tolerances. HTS 8484.20.00.00 for semiconductor wafer preparation per statistical notes. Critical for surface flatness before polishing.

Duty Rate — Canada → United States

13.9%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Thickness tolerance specs (±0.5 micron) in documentation

• Colloidal silica slurry containment proof

• Class 100 cleanroom compatibility