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3909.50.50.00/Flame Retardant Polyurethane Resin/Mexico

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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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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