Electro-Hydraulic Needle Valve for Wafer Polishing Slurry Lines from Canada
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 — Canada → United States
12%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, 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