Natural Cork Thermal Insulation Disks from Canada
Circular disks of natural cork used as thermal barriers in high-heat applications like oven doors. HTS 4503.90.20.00 covers these cork disks for their low thermal conductivity. Cut from plank cork for durability.
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
• Certify thermal resistance values (R-value) and fire ratings
• Avoid composite forms with foil; pure cork stays in 4503
• Industrial end-use statements prevent Chapter 69 ceramic confusion