Nomex N100 Aramid Monofilament from Japan
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.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• 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