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
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Declare tar content to avoid Chapter 27 bituminous classification
• Provide fiber treatment process documentation
• Specify marine vs plumbing applications