Electro-Hydraulic Needle Valve for Wafer Polishing Slurry Lines from Japan
Needle valve with electro-hydraulic actuator precisely meters abrasive slurry flow to wafer polishers achieving nanometer flatness. Classified under HTS 8481.80.9025 as electro-hydraulic actuated valve for semiconductor wafer finishing.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Calibrate and certify flow accuracy to ±1% for process qualification
• Include particle shedding test results for slurry service validation
• Declare hydraulic fluid compatibility to prevent hazardous material flags