Technical Grade 6,6-Nylon Salt Solution 60% from China
60% aqueous solution of hexamethylenediamine adipate for nylon polymerization reactors, derived from adipic acid per HTS 2921.22.1000. The water content constitutes normal transport preparation under Chapter 29 note (d). Widely used in continuous polymerization lines.
Duty Rate — China → United States
44%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Karl Fischer titration certificates verifying 60±2% concentration essential for classification
• Use IBC totes with proper amine-resistant liners for solution shipments
• Monitor pH (7.5-8.5 typical) as indicator of salt integrity during transit