10mm Fire-Retardant MDF Sheet from Canada
Medium density fiberboard at 10mm thickness treated with fire-retardant additives in the resin matrix. Classified in HTS 4411.14.90 as other MDF over 9mm thickness, without surface processing. Used in commercial furniture and wall paneling.
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
• Include flame spread test reports (ASTM E84) for customs verification of fire-retardant claims
• Monitor binder content to ensure it remains ≤3% if derived from pellet processes per chapter notes
• Avoid over-declaring treatment chemicals to prevent hazardous material surcharges