</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
5503.90.90.00/Flame Retardant Polyester Staple Fiber 4 Denier/Canada

Flame Retardant Polyester Staple Fiber 4 Denier from Canada

FR-treated polyester staple fibers, 4 denier, raw for fire-safe upholstery spinning. HTS 5503.90.90.00 for treated synthetics.

Duty Rate — Canada → United States

14.3%

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

• Certify FR compliance with NFPA standards

• Declare treatments applied pre-import

• Avoid chemical processing misdeclaration