Polyamide 66 Multifilament Yarn 40 Decitex Untwisted

Untwisted multifilament yarn from polyamide 66 (Nylon 66), total linear density below 67 decitex, consisting of multiple fine filaments with less than 5 turns per meter twist. Commonly used in high-strength ropes, nets, and technical textiles. Falls under HTS 5402.45.90.30 as other low-twist nylon/polyamide multifilament, not for retail.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China8%+35.0%43%
🇲🇽Mexico8%+10.0%18%
🇨🇦Canada8%+10.0%18%
🇩🇪Germany8%+10.0%18%
🇯🇵Japan8%+10.0%18%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

5402.45.10Lower: 35% vs 43%

If twist exceeds 50 turns per meter overall

Higher twist single yarns of nylon/polyamides shift to 5402.45.10 within the same subheading.

5407.61Lower: 24.9% vs 43%

If woven into circular knit fabric

Once processed into woven or knitted fabric, it becomes synthetic woven fabric under heading 5407.

5607.50Lower: 13.6% vs 43%

If made into twine, cordage, or rope

Assembled into ropes or cords, nylon yarn is reclassified under Chapter 56 as 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

Submit twist measurement certification showing <5 turns/m to distinguish from higher-twist yarns in 5402.45.10

Label yarn composition accurately (e.g

100% PA66) and avoid retail packaging to maintain bulk industrial classification

Related Products under HTS 5402.45.90.30

Nylon 6 Monofilament Yarn 50 Decitex

This is a single synthetic monofilament yarn made from nylon 6 polyamide, with a linear density less than 67 decitex and twist less than 5 turns per meter. It is used primarily in industrial applications such as fishing lines, brush bristles, and medical sutures. Classified under HTS 5402.45.90.30 as other nylon/polyamide monofilament yarn, single, untwisted or low twist, not for retail sale.

Nylon 6.6 Industrial Monofilament 30 Decitex

Synthetic monofilament yarn of nylon 6,6 polyamide with 30 decitex thickness and minimal twist (<5 turns/m), suitable for brush-making and filtration screens. This bulk yarn is not packaged for retail sale. HTS 5402.45.90.30 covers such other low-twist polyamide monofilaments.

PA6 Low Twist Multifilament 25 Decitex

PA6 (Nylon 6) multifilament yarn with 4 turns/m twist, 25 decitex, for carpet backing and geotextiles. Bulk industrial supply. Classified in HTS 5402.45.90.30 as other low-twist polyamide yarn.

Untwisted Nylon Multifilament 55 Decitex for Nets

Multifilament polyamide yarn with zero twist, 55 decitex total density, designed for manufacturing fishing nets and safety netting. Supplied in large cones for industrial processing, not retail. Matches HTS 5402.45.90.30 for other untwisted/low-twist nylon yarns.

Polyamide Low-Twist Monofilament 20 Decitex Technical

Fine 20 decitex monofilament from polyamide with twist under 5 turns/m, used in precision weaving for technical fabrics like air filters. Bulk industrial packaging excludes retail sale. HTS 5402.45.90.30 applies to these other nylon/polyamide low-twist monofilaments.

Nylon 11 Multifilament Yarn 45 Decitex 2 Turns/m

Multifilament yarn from bio-based nylon 11 polyamide, 45 decitex with 2 turns per meter twist, for flexible hoses and tubing reinforcement. Industrial bulk form. Fits HTS 5402.45.90.30 as other low-twist polyamide multifilament.