Unbleached Modacrylic Flame-Resistant Duck from Mexico
Unbleached duck fabric (219 tpi) from modacrylic staple fibers (88% content), 11 oz, engineered for fire curtains and protective barriers. HTS 5512.21.0050 due to acrylic/modacrylic dominance, unbleached state, and heavy duck weave per Chapter 55 notes excluding napped broadcloths. Inherent FR properties from modacrylic.
Duty Rate — Mexico → United States
22%
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
• Submit NFPA or similar FR certification, but classify as greige fabric not treated goods
• Ensure no multiple/cabled yarns per sheeting note (b)(ii) to maintain duck status