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
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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