Flame Retardant Polyurethane Resin from Canada
Halogen-free flame retardant polyurethane for electronics potting. HTS 3909.50.5000 primary 'Other' polyurethanes.
Duty Rate — Canada → United States
16.3%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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