Fine-Denier Acrylonitrile Tow for Aerospace Carbon Fiber from Mexico
Precision-engineered acrylonitrile tow with 92+% acrylonitrile units, <70,000 filaments at 1.59 decitex max, optimized for aerospace-grade carbon fiber precursors. Meets HTS 5501.30.00.10's stringent separable tow and diameter criteria.
Duty Rate — Mexico → United States
17.5%
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 filament cross-section photos and decitex measurements; customs often requires physical samples
• Ensure 'tow' status by declaring unprocessed state; drafting changes classification
• Watch for separable tow claims—provide engineering specs showing division capability