Silicon Carbide Powder from Canada
High-purity silicon carbide (SiC) powder used in abrasives, refractories, and ceramics production. It falls under HTS 2849.90.50.00 as a chemically defined carbide, not silicon carbide in sintered form with metal (which would be cermets in Section XV). This subheading covers other carbides beyond specified exclusions like calcium carbide.
Duty Rate — Canada → United States
13.7%
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
• Verify purity and chemical definition per Chapter 28/29 notes to avoid misclassification as mixtures
• Provide Certificate of Analysis (COA) documenting carbide composition for customs clearance
• Ensure packaging complies with hazardous material regs if fine powder poses dust inhalation risks