Hexamethylenetetramine with Anti-Caking Agent from China
Hexamine powder treated with 0.15% silica anti-caking agent for free-flowing properties. Allowed under HTS 2933.69.5000 per Chapter 29 note (f) as stabilizer necessary for transport.
Duty Rate — China → United States
41.3%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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
• Declare exact anti-caking percentage; >1% risks 3824 classification as mixture
• Silica type (precipitated vs fumed) affects food contact approval status
• Particle size distribution (90% through 20 mesh) important for resin blending