</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
3903.90.50.00/Injection Molding Polystyrene IMP 350/Canada

Injection Molding Polystyrene IMP 350 from Canada

IMP 350 polystyrene is high-flow resin for precision injection molding, styrene >95% by weight in primary pellet form. Classifies HTS 3903.90.5000 'Other' per note (a)(1), used in medical device components.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Calculate with your customs valueVerify classification with AI

Import Tips

• Provide mold shrinkage data to support material specs for CBP verification

• Ensure FDA compliance labeling if for food/medical contact