Wafer Lapping Machine Coolant Dispenser from Japan
Precision dispenser part for lapping machines that projects coolant onto semiconductor wafers to maintain flatness during surface preparation. Falls under HTS 8424.90.9080 as a mechanical part for dispersing liquids in wafer processing equipment. Essential for achieving required wafer tolerances.
Duty Rate — Japan → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (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 lapping process specs confirming liquid dispersion role; include cleanroom compatibility certifications; beware of bulk import thresholds triggering different valuation rules