</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Unsaturated Polyester Resin (Non-specific) Flakes from Canada

UPR flakes for composites beyond standard aromatic types, with maleic anhydride and diols. 3907.99.50 as other polyesters not fitting 3907.99.10 criteria.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Distinguish from 3907.99.10 via acid type certificate; styrene-free declaration if applicable; acid value testing required