Polypropylene Staple Fiber 1.5 Denier
Unprocessed polypropylene staple fibers with a fineness of 1.5 denier, cut to 38mm length, used primarily for nonwoven fabrics and filtration media. These synthetic fibers fall under HTS 5503.40.00.00 as they are of polypropylene and not carded, combed, or otherwise processed for spinning.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 4.3% | +35.0% | 39.3% |
| 🇲🇽Mexico | 4.3% | +10.0% | 14.3% |
| 🇨🇦Canada | 4.3% | +10.0% | 14.3% |
| 🇩🇪Germany | 4.3% | +10.0% | 14.3% |
| 🇯🇵Japan | 4.3% | +10.0% | 14.3% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If composed of acrylic or modacrylic
Acrylic staple fibers are classified separately from polypropylene in a different subheading of heading 5503.
If carded, combed, or processed for spinning
Any processing beyond basic cutting moves fibers to Chapter 55 heading 5504 for prepared synthetics.
If in continuous filament form rather than staple
Polypropylene in filament yarn form (not cut into staples) falls under Chapter 54 for synthetic filaments.
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Import Tips & Compliance
• Verify fiber composition via lab testing to confirm 100% polypropylene and avoid reclassification to other synthetic fibers
• Include manufacturer specs on denier, length, and crimp in documentation to prove unprocessed state
• Watch for contamination; even minor impurities can trigger scrutiny under Chapter 55 purity rules
Related Products under HTS 5503.40.00.00
Bright Polypropylene Staple Fiber 2 Denier
Undyed, bright (high luster) polypropylene staple fibers of 2 denier fineness, 44mm length, suitable for carpet backing and upholstery. HTS 5503.40.00.00 applies as these are raw polypropylene fibers not further processed for spinning.
UV-Resistant PP Staple Fiber 4 Denier
Polypropylene staple fibers treated for UV resistance, 4 denier, 65mm staple length, unprocessed, for agricultural fleece and ropes. Classified in HTS 5503.40.00.00 as base polypropylene fibers without spinning preparation.
Flame Retardant Polypropylene Staple 2.5 Denier
FR-treated polypropylene staple fibers, 2.5 denier fineness, 51mm length, raw form for automotive felts and upholstery. HTS 5503.40.00.00 covers these as unprocessed polypropylene synthetics.
Bicomponent PP/PE Staple Fiber 2 Denier
Sheath-core bicomponent staple fiber with PP core and PE sheath, 2 denier, unprocessed for thermal bonding nonwovens. Primarily polypropylene, thus HTS 5503.40.00.00 for unprocessed synthetic staples.
Polypropylene Staple for Ropes 6 Denier
Coarse 6 denier polypropylene staple fibers, 102mm length, unprocessed for twisted rope and twine production. HTS 5503.40.00.00 for raw polypropylene not spun or processed.
Superfine PP Microfiber 0.8 Denier
Ultrafine 0.8 denier polypropylene microfiber staples, 29mm, for premium filtration and apparel interlinings. Unprocessed state qualifies for HTS 5503.40.00.00 polypropylene classification.