Nomex 410 Staple Fibers from Mexico
Standard Nomex 410 meta-aramid staple fibers, not carded, for thermal insulation fabrics. Under HTS 5503.11.00.00 as unprocessed aramid polyamide staples. Provides inherent FR protection up to 400°C.
Duty Rate — Mexico → United States
14.3%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include LOI (limiting oxygen index) values >28% in docs; segregate from cotton flammables in shipping; verify no meta-aramid impurities