Modacrylic Flame-Retardant Staple Fiber
Modacrylic staple fibers engineered for fire resistance, used in protective apparel, supplied unprocessed in bales. These fibres are not carded, combed, or otherwise processed for spinning, and are classified as modacrylic synthetic staple fibres under tariff item 5503.30.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the staple fibres are of acrylic rather than modacrylic
Acrylic staple fibres not processed for spinning are classified separately.
If the fibres have been carded or combed
Processed modacrylic staple fibres fall under a different tariff item.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the staple fibres are not carded, combed, or otherwise processed for spinning
• Provide the CBSA with technical specifications showing the modacrylic composition and flame-retardant properties
• Verify the fibre length and denier to support classification
Related Products under Tariff item 5503.30.00
Acrylic Staple for Carpet Yarn
Coarse denier acrylic staple fibers optimized for solution-dyed carpet yarns, supplied in unprocessed bales. These fibers are not carded, combed, or otherwise processed for spinning, and are therefore classified under tariff item 5503.30.00 as acrylic synthetic staple fibres.
Acrylic Wool-Blend Staple Fiber
Short-cut acrylic staple fibers blended to mimic wool, unprocessed and intended for spinning into yarn for knitwear. The blend intent does not affect classification; the fibres remain unprocessed synthetic staple fibres of acrylic.
Bicomponent Acrylic Staple Fiber
Side-by-side bicomponent acrylic staple fibers designed for self-crimping yarns, cut but unprocessed. These fibres are not carded, combed, or otherwise processed for spinning, and are classified as acrylic synthetic staple fibres under tariff item 5503.30.00.
Colored Acrylic Staple Fiber
Solution-dyed acrylic staple fibers in various colors, cut but not processed further for spinning. Dyeing does not constitute processing for spinning, so these fibres remain classified as unprocessed acrylic synthetic staple fibres under tariff item 5503.30.00.
Fine-Denier Acrylic Staple Fiber
Ultra-fine denier (1-2 den) acrylic staple fibers for soft fabrics like babywear, shipped unprocessed. These fibres are not carded, combed, or otherwise processed for spinning, and are classified as acrylic synthetic staple fibres under tariff item 5503.30.00.
High-Bulk Acrylic Staple Fiber
Crimped high-bulk acrylic staple for bulky yarns in sweaters, unprocessed direct from extrusion. The crimping does not constitute processing for spinning, so these fibres remain classified as unprocessed acrylic synthetic staple fibres under tariff item 5503.30.00.