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

Polystyrene Sign Blank Rods from Canada

Rigid polystyrene rods, 4 mm diameter, used as sign blanks or craft rods, surface-sanded. HTS 3916.90.5000 for other plastic rods meeting cross-section requirement. PS monomer content qualifies under polymer note (a)(1).

Duty Rate — Canada → United States

15.8%

Rate breakdown

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

Import Tips

Certify polystyrene ≥95% styrene monomer; store in protective packaging to prevent surface damage affecting classification; declare intended stock use vs finished signs