Cellular NR HVAC Duct Seal Profile from Canada
Profile shapes of foamed natural rubber for sealing HVAC duct joints, featuring interlocking flange design. Classified in 4008.19.20.00 for cellular natural rubber profiles not qualifying as plates/sheets/strip.
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
• Provide compression set test results confirming cellular rubber properties
• Avoid co-extrusion with plastics that could trigger Chapter 39 classification
• Document extrusion tooling specs showing complex profile geometry