Industrial CVD Diamond Films for Heat Sinks from Canada
Chemically vapor-deposited (CVD) polycrystalline diamond films, worked but unmounted, for thermal management in electronics heat sinks. Falls under HTS 7102.29.0050 as 'other' industrial diamonds, worked for non-jewelry applications per Chapter 71 notes.
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
• Include CVD process certifications and thermal conductivity specs to substantiate industrial classification
• Avoid retail packaging; ship in bulk to reinforce non-consumer use