Boule Handling Vacuum Chuck from Canada
Vacuum chuck for secure handling of crystal boules during grinding operations. HTS 8431.39.0080 as part of 8428 crystal grinders. Prevents slippage with porous ceramic vacuum surface.
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
• Specify vacuum pressure and porosity grade for boule size range
• Avoid general chucks under 8466
• Cleanroom ESD compliance required