Crystal Boule Grinder Pressure Valve from Mexico
Hydraulic pressure regulating valve for crystal grinders that shape semiconductor boules to exact wafer diameters and flats indicating conductivity. HTS 8481.90.9085 applies as 'other' part per statistical note (a)(ii)(A) for boule grinding equipment.
Duty Rate — Mexico → 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 grind tolerance specs (±0.1mm diameter) linking to statistical note for boule preparation
• Use HTSUS advisory rulings for confirmation if importing high volumes from Asia