InP Crystal Grinder Chuck from Canada
Vacuum or magnetic chuck for securing Indium Phosphide crystal boules during precision diameter grinding. Part of crystal grinder equipment HTS 8451.90.90 statistical note (a)(ii)(A). Accommodates fragile III-V compound crystals prone to cracking.
Duty Rate — Canada → United States
13.5%
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
• Specify vacuum port configuration, crystal diameter range, and rotation speed rating
• Include InP thermal expansion matching material certification