Titanium Check Valve for Wafer Lapping Polishers from Canada
Hand-operated titanium check valve preventing backflow in polishing slurry lines of wafer grinders, lappers, and polishers that achieve critical surface flatness for semiconductor fabrication. Titanium's biocompatibility suits ultra-clean processing. Classifies under 8481.80.50 as other material hand-operated valve despite check function.
Duty Rate — Canada → United States
13%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Submit titanium alloy specifications confirming suitability for semiconductor slurries
• Include cleanroom certification and leak test results for customs validation
• Distinguish from pure check valves by documenting hand-operation capability