Oakum Caulking Compound from Canada
Oakum caulking compound combines tarred hemp fibers with mastic for pipe and ship joint sealing. Traditional marine/industrial use under HTS 3214.10.00.
Duty Rate — Canada → United States
13.7%
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
• Declare tar content to avoid Chapter 27 bituminous classification
• Provide fiber treatment process documentation
• Specify marine vs plumbing applications