Purified Nylon Salt for High-Performance Fibers from Mexico
High-purity (>99.5%) hexamethylenediamine adipate salt for premium nylon 6,6 tire cord and airbag yarn production. The adipic acid derivation ensures classification under HTS 2921.22.1000. Supplied as molten salt or concentrated solutions to minimize impurities.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include GC-MS impurity profiles (<50 ppm amines, <100 ppm adipic acid) for quality verification
• Use temperature-controlled containers for molten salt shipments (mp 175-180°C)
• Verify end-use declarations match fiber production to avoid textile Chapter 52 misclassification