Polyamide 6.6 Monofilament Yarn
Single twist monofilament yarn of polyamide 6.6 (nylon 66) less than 67 decitex, with twist >50 turns/m, used in fine textile production. HTS 5402.51.00.00 applies to this non-retail synthetic polyamide filament yarn.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 8.8% | +37.5% | 46.3% |
| 🇲🇽Mexico | 8.8% | +10.0% | 18.8% |
| 🇨🇦Canada | 8.8% | +10.0% | 18.8% |
| 🇩🇪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 put up as sewing thread for retail
Retail-packaged monofilament shifts to sewing thread classification in 5404.
If of polyester material
Polyester filament single high-twist yarns are under 5402.41, separate from polyamides.
If processed into twine or cordage
Further twisting into cords moves to Chapter 56 for made-up textile articles.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Test monofilament diameter to confirm <67 decitex threshold for synthetic yarn headings
• Submit supplier declarations on yarn count and twist to Customs for smooth clearance
• Watch for confusion with fishing line monofil (3916.10) if end-use suggests non-textile
Related Products under HTS 5402.51.00.00
Nylon 6 Single Twist Yarn
Single nylon 6 filament yarn with a twist exceeding 50 turns per meter, used in textile weaving and knitting applications. Classified under HTS 5402.51.00.00 as synthetic filament yarn of polyamides, not for retail sale, with twist over 50 turns/m and single configuration.
Nylon 66 High-Twist Weaving Yarn
Nylon 66 single filament yarn featuring high twist over 50 turns per meter, ideal for durable woven fabrics in apparel and upholstery. Falls under HTS 5402.51.00.00 due to its polyamide composition, single yarn type, and industrial packaging not for retail.
Industrial Nylon Single Filament Yarn
High-tenacity single nylon filament yarn twisted over 50 turns/m for industrial fabrics like airbags and tires. Classified in 5402.51.00.00 as polyamide synthetic yarn, bulk packed for manufacturing use.
Caprolactam Nylon Twist Yarn
Single yarn from caprolactam-based polyamide (Nylon 6) with twist exceeding 50 turns/m, supplied in cones for weaving mills. HTS 5402.51.00.00 covers this non-retail synthetic filament polyamide yarn.
High-Twist Polyamide Filament for Hosiery
Single high-twist (>50 turns/m) polyamide filament yarn designed for circular knitting in hosiery production. Under HTS 5402.51.00.00 as nylon/polyamide synthetic yarn not for retail sale.
Nylon 6 Industrial Single Yarn Cone
Cone-wound single nylon 6 yarn with twist >50 turns/m for shuttleless looms in fabric mills. HTS 5402.51.00.00 for bulk polyamide filament yarn excluding retail packaging.