Float Zone Crystal Grower Stationary Blade from Canada
Stationary guide blade employed in float zone crystal growers to stabilize the molten zone during the production of high-purity silicon boules for semiconductor wafers. Classified under HTS 8406.90.70.00 as a stationary blade part of vapor turbines used in semiconductor material growth per statistical note (a)(i). It maintains positional accuracy under extreme thermal gradients.
Duty Rate — Canada → United States
10%
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
• Provide process flow diagrams showing integration into float zone vapor turbine systems to confirm statistical note applicability
• Label with thermal tolerance specs (e.g
• >1400°C) and semiconductor end-use declaration to prevent misclassification