Natural Rubber Door Weatherstripping from Canada
Flexible weatherstripping made from vulcanized natural rubber used to seal gaps around doors for weatherproofing. It falls under HTS 4016.99.3550 as an other article of vulcanized natural rubber, not specified elsewhere in Chapter 40 and excluding hard rubber. This classification applies because it is a simple extruded profile without textile components or other excluded materials.
Duty Rate — Canada → United States
Rate breakdown
Import Tips
• Verify natural rubber content via lab testing to confirm classification under the 'of natural rubber' subheading; synthetic blends shift to 4016.99.6050
• Provide manufacturer specs showing vulcanization process and absence of hard rubber traits like high Shore hardness
• Avoid misclassification as Chapter 39 plastic profiles by documenting rubber's essential vulcanized properties