Semi-Colloidal Graphite Heat Transfer Compound from Canada
Thick paste of micronized artificial graphite in silicone grease for thermal interface between CPU heatsinks and processors. Classified HTS 3801.90.0050 as semi-colloidal graphite preparation. Enhances heat dissipation in electronics assembly.
Duty Rate — Canada → United States
14.9%
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
• Thermal conductivity specs (>5 W/mK) confirm graphite functionality over silicone base
• RoHS compliance certification required; heavy metals in graphite source common issue
• Particle size distribution certificate prevents cosmetic product misclassification