Fine-Denier Acrylonitrile Tow for Aerospace Carbon Fiber from Mexico
Precision-engineered acrylonitrile tow with over 92% acrylonitrile units, fewer than 70,000 filaments at a maximum of 1.59 decitex, optimized for aerospace-grade carbon fiber precursors. This acrylic filament tow is classified under tariff item 5501.30.00, which covers synthetic filament tow of acrylic or modacrylic.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the tow meets all chapter note 1 criteria, including twist less than 5 turns per metre and filament linear density under 67 decitex
• Provide a certificate of analysis showing acrylonitrile content and filament count to expedite CBSA clearance
• Consider applying for an advance ruling on tariff classification if importing regularly