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%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include LOI (limiting oxygen index) values >28% in docs; segregate from cotton flammables in shipping; verify no meta-aramid impurities