Nomex N100 Aramid Monofilament
DuPont Nomex N100 high-tenacity aramid monofilament, single yarn <920 decitex, twist-free for firefighter gear reinforcement. Classifies in HTS 5402.11.30.10 as untwisted/low-twist aramid polyamide yarn, bulk industrial form.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If nylon 6,6 instead of aramid
Other polyamide high-tenacity yarns (non-aramid) use prior 5402.10 suffixes.
If coated for technical textile use
Textile coatings/impregnations move to Chapter 59.
If extruded as plastic monofilament >67 dtex
Plastic industry monofilaments classify in Chapter 39 when exceeding textile yarn specs.
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
• Certify flame-retardant aramid polymer content; substitutes may shift classification
• Use commercial invoices specifying 'not sewing thread, not retail' to prevent Chapter 52/55 shifts
• Test for monofil vs multifil; diameter >67 dtex could affect monofil status
Related Products under HTS 5402.11.30.10
Kevlar 29 Aramid Monofilament Yarn
High-tenacity Kevlar 29 aramid monofilament yarn, single yarn not exceeding 920 decitex with twist less than 5 turns per meter, used in aerospace composites and ballistic protection. Classified under HTS 5402.11.30.10 due to its aramid composition, high tenacity, low twist, and industrial packaging not for retail sale.
Twaron 1000 Multifilament Aramid Yarn
Twaron 1000 high-tenacity multifilament aramid yarn, untwisted single yarn ≤920 decitex, for reinforcement in tires and ropes. Fits HTS 5402.11.30.10 as aramid polyamide with minimal twist (<5 tpm), high strength, not retail packaged.
Technora T200 Aramid Low-Twist Yarn
Teijin Technora T200 meta-aramid multifilament yarn, high tenacity single yarn ≤920 decitex with <5 tpm twist, used in protective apparel composites. HTS 5402.11.30.10 applies for untextured/low-twist aramid filament not for retail.
Kevlar K49 Untwisted Multifilament Yarn
Kevlar K49 high-modulus aramid multifilament yarn, single untwisted ≤920 decitex for cable and rope reinforcement. HTS 5402.11.30.10 due to aramid composition, high tenacity, twist <5 tpm, not put up for retail sale.
Teijinconex Meta-Aramid Low-Twist Yarn
Teijinconex meta-aramid multifilament yarn, high-tenacity single <920 decitex with minimal twist for thermal protective composites. Matches HTS 5402.11.30.10 specifications for aramid polyamides, low twist, industrial supply.