Nylon 6.6 Staple Fiber 6 Denier
Nylon 6.6 staple fibers with 6 denier thickness, not carded or combed, for apparel fillings and industrial yarns. HTS 5503.90.90.00 covers this as 'other' polyamide-type synthetics.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 4.3% | +37.5% | 41.8% |
| 🇲🇽Mexico | 4.3% | +10.0% | 14.3% |
| 🇨🇦Canada | 4.3% | +10.0% | 14.3% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +12.5% | 12.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If high-tenacity polyamide filaments
Continuous high-tenacity nylon filaments go to Chapter 54, not cut staples.
If of polyimides, polysulfones, or similar
Specialty high-performance synthetics have distinct subheadings.
If woven into fabric post-import
Finished woven fabrics from these fibers classify under Chapter 55 heading 5512.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Label shipments clearly as 'not processed for spinning' with denier specs
• Use FDA/USDA approvals if for food-contact end uses
Related Products under HTS 5503.90.90.00
Polypropylene Staple Fiber 3 Denier
Polypropylene staple fibers at 3 denier, unprocessed for spinning, ideal for nonwoven fabrics, geotextiles, and ropes. Falls under HTS 5503.90.90.00 as unspecified synthetic staple fibers.
Viscose Staple Fiber Substitute Synthetic 2 Denier
Synthetic staple fibers mimicking viscose properties, 2 denier, unprocessed, for rayon-like textiles. Classified in HTS 5503.90.90.00 as other synthetics.
Metallic Effect Synthetic Staple Fiber 5 Denier
Synthetic staple fibers with metallic sheen for decorative textiles, 5 denier, unprocessed. Under HTS 5503.90.90.00 as specialty 'other' synthetics.
Flame Retardant Polyester Staple Fiber 4 Denier
FR-treated polyester staple fibers, 4 denier, raw for fire-safe upholstery spinning. HTS 5503.90.90.00 for treated synthetics.
Antibacterial Nylon Staple Fiber 2.5 Denier
Nylon staples infused with antibacterial agents, 2.5 denier, unprocessed for hygiene textiles. Classed in 5503.90.90.00.
Conductive Carbon Synthetic Staple Fiber 7 Denier
Carbon-infused synthetic staples for antistatic textiles, 7 denier, raw. HTS 5503.90.90.00 applies.