Marine Grade Exterior MDF 20mm from Canada
Waterproof MDF with phenolic resins for exterior marine applications, 20mm thick sheets. Medium density fiberboard HTS 4411.13.90.90 'Other'. Used in boat building and dock structures.
Duty Rate — Canada → United States
13.9%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide BS1088 yachting standard certification for marine plywood substitution
• Test and document 24hr boiling water resistance (>90% retention)
• Declare phenolic resin content; excess may trigger plastics classification