Hydraulic Relief Pressure Valve for Wafer Polishing Equipment from Mexico
Hydraulic relief valve reducing pressure in polishing head hydraulic systems for final semiconductor wafer surface preparation. Classified HTS 8481.10.0020 as hydraulic fluid power pressure-reducing valve per statistical notes for wafer polishers. Maintains precise polishing pressure for mirror surface finish.
Duty Rate — Mexico → United States
12%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include polishing slurry pressure specifications and valve response characteristics,Certify materials for chemical mechanical planarization (CMP) slurry compatibility,Document pressure uniformity specifications across polishing pad surface area