Marine Teak Deck Caulk from Mexico
Marine teak deck caulk is a polysulfide mastic for sealing teak deck seams on boats. Flexible and UV resistant, classified under HTS 3214.10.00 as caulking compound.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include USCG certification if claiming marine approval
• Declare sulfur content for polysulfide identification
• Specify application temperature range for deck use