Oakum Caulking Compound from Mexico
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 — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Declare tar content to avoid Chapter 27 bituminous classification
• Provide fiber treatment process documentation
• Specify marine vs plumbing applications