Marine Buoyancy PS Foam Sheets from Mexico
Closed-cell polystyrene foam sheets for boat flotation and dock bumpers. 3921.11.00.00 cellular styrene sheets with high water resistance. Marine-grade.
Duty Rate — Mexico → United States
15.3%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Saltwater resistance specs in docs
• Closed-cell verification prevents open-cell reclassification
• Size limits apply for special rates