10.5mm Fire-Rated MDF Alternative from Mexico
Non-halogenated fire-retardant treated medium density fiberboard, 10.5mm thick, meeting Class B fire rating without specific chemical subheading. HTS 4411.14.90.90 as other MDF >9mm.
Duty Rate — Mexico → United States
13.9%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Fire test reports (ASTM E84 Class B) required; chemical treatment % must be documented
• Not qualifying for 4411.14.20 unless meets exact fire-retardant definition
• Hazardous material declaration if contains certain flame retardants