Modacrylic Flame-Retardant Staple Fiber
Modacrylic staple fibers engineered for fire resistance, used in protective apparel, supplied unprocessed in bales. Falls under HTS 5503.30.00.00 for acrylic or modacrylic staple fibers not further processed for spinning.
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 post-carding or combing
Processing like carding shifts to 5506 for prepared acrylic/modacrylic fibers.
If texturized or crimped beyond basic staple
Heavily textured staple fibers may qualify as textile flock or waste under Chapter 56.
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
• Provide manufacturer specs confirming modacrylic composition (35-85% acrylonitrile); check for FR certifications
• Avoid classifying as processed if only cut to staple length
Related Products under HTS 5503.30.00.00
Raw Acrylic Staple Fiber Bale
Unprocessed acrylic staple fibers, typically 1.5 to 3 inches long, baled for spinning into yarn. Classified under HTS 5503.30.00.00 as synthetic staple fibers, not carded, combed or otherwise processed for spinning, specifically acrylic type.
Acrylic Wool-Blend Staple Fiber
Short-cut acrylic staple fibers blended to mimic wool, unprocessed for spinning into yarn for knitwear. HTS 5503.30.00.00 applies to unprocessed acrylic staple fibers regardless of blend intent.
Fine-Denier Acrylic Staple Fiber
Ultra-fine denier (1-2 den) acrylic staple fibers for soft fabrics like babywear, shipped unprocessed. Classified in 5503.30.00.00 as basic acrylic staple not carded or combed.
Modacrylic Staple for Filter Media
Chemical-resistant modacrylic staple fibers for industrial air filters, unprocessed bales ready for nonwoven processing. HTS 5503.30.00.00 covers unprocessed acrylic/modacrylic staples for any end use.
Colored Acrylic Staple Fiber
Solution-dyed acrylic staple fibers in various colors, cut but not processed further for spinning. Remains under HTS 5503.30.00.00 as dyeing doesn't constitute processing for spinning.
High-Bulk Acrylic Staple Fiber
Crimped high-bulk acrylic staple for bulky yarns in sweaters, unprocessed direct from extrusion. HTS 5503.30.00.00 for basic staple fibers before spinning prep.