Polyamide-12 Granules from Mexico
Polyamide-12 resin granules, made from laurolactam with ≥95% single monomer unit, fall under HTS 3908.90.70.00 as other polyamides in primary forms. Ideal for 3D printing filament and flexible tubing due to low density.
Duty Rate — Mexico → United States
16.5%
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 manufacturer's spec sheets confirming ≥95% monomer purity to Customs for binding ruling
• Label shipments clearly as 'primary form polyamide-12' to distinguish from finished articles
• Watch for contamination; even minor additives may reclassify under 3908.90.55 as chemically modified