Float Zone Crystal Grower Vacuum Valve from Canada
Vacuum control valve for float zone methods in growing high-purity semiconductor crystals from which wafers are sliced. Classified as HTS 8481.90.9040 for its role as a 8481.20 valve part in crystal grower equipment.
Duty Rate — Canada → United States
10%
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
• Certify vacuum ratings (e.g
• 10^-8 Torr) matching statistical note equipment specs
• Pair with process flow diagrams showing valve integration in growers
• Avoid re-export issues by tracking dual-use tech declarations