4016.99.35.50/Natural Rubber Door Weatherstripping/China

Natural Rubber Door Weatherstripping from China

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 — China → United States

35%

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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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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