Fire-Retardant Artificial Staple Fiber Carded from Canada
Carded artificial staple fibers treated for flame resistance, processed for spinning into safety apparel yarns. Under HTS 5507.00.00.00 as processed artificial fibers, with inherent FR properties from chemistry. Used in uniforms and curtains.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Submit FR test reports (e.g
• NFPA 701) with shipments for verification
• Declare treatment method to avoid chemical chapter reclassification