Flame Retardant Polyurethane Resin from Mexico
Halogen-free flame retardant polyurethane for electronics potting. HTS 3909.50.5000 primary 'Other' polyurethanes.
Duty Rate — Mexico → United States
16.3%
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
• UL 94 or ASTM E84 flammability reports support but don't change HTS
• Reactive vs additive FR affects only performance, not classification
• TSCA declarations for flame retardant additives