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
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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