Cellular Natural Rubber Weatherstripping Profile from Japan

Extruded profile shapes made from cellular vulcanized natural rubber used for sealing doors and windows in buildings. Classified under HTS 4008.19.20.00 as profile shapes of cellular natural rubber, not hard rubber, due to its irregular cross-section and cellular structure per Chapter 40 notes.

Duty Rate — Japan → 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

Verify cellular structure via density testing (<0.92 g/cm³) to confirm classification from non-cellular 4008.11

Provide manufacturer specs confirming natural rubber composition >50% to avoid synthetic rubber headings

Include extrusion process documentation to distinguish profiles from simple strips