Gray Flame-Retardant EPS Beads from Mexico
Gray expandable polystyrene beads with hexabromocyclododecane (HBCD) retardant for construction insulation foam. Classified in 3903.11.00.00 as the additives don't alter primary expandable polymer status.
Duty Rate — Mexico → United States
16.5%
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
• Comply with TSCA regulations for HBCD content; declare flame retardant additives separately
• Provide formulation data ensuring polystyrene remains >95% monomer content despite additives