Crystal Grinder Air Pressure Valve from Mexico
Pneumatic pressure control valve for crystal grinders that shape semiconductor boules to exact wafer diameters and flats indicating conductivity. As a part of 8481.20 valves used in wafer preparation, it is classified in HTS 8481.90.9040.
Duty Rate — Mexico → United States
10%
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
• Supply OEM part numbers linking to specific grinder models for accurate HTS verification
• Ensure ESD-safe materials to comply with semiconductor handling import regs
• Batch import with matching equipment to streamline customs valuation