Lowinox 259B Polymer Antioxidant from Mexico
Lowinox 259B is the beaded form of 1,6-Hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate, designed for easy handling in polyolefin extrusion processes. Falls under HTS 2918.29.06.00 as the named carboxylic acid derivative with phenol and alcohol functions, classified as a pure organic compound in Chapter 29.
Duty Rate — Mexico → United States
15.8%
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
• Distinguish beaded vs powder forms in documentation but both remain same HTS as pure compound
• Test for stabilizer content (<1% per Chapter note f) to maintain pure compound status
• Pre-clear EPA pre-manufacture notice if new formulation variant