Hand-Operated Relief Valve for Wafer Polisher Tanks from Mexico
Adjustable hand-operated bronze relief valve for overpressure release in chemical tanks of wafer polishers during semiconductor surface preparation. Classified in HTS 8481.80.5090 for other hand-operated valves.
Duty Rate — Mexico → United States
13%
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
• Provide setpoint adjustment range docs to confirm hand-operated status vs automatic
• Avoid declaring as 'pressure-reducing' if manual only, to prevent heading 8481.40 shift