Dibutyl Maleate from Japan
Dibutyl maleate, an ester of maleic acid with butanol, used as reactive diluent in unsaturated polyester resins and copolymer production. Falls under HTS 2917.19.20.00 per chapter note on ester classification with parent acid.
Duty Rate — Japan → United States
16.5%
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
Import Tips
• Molecular structure verification confirming maleic acid parent essential
• VOC content documentation for resin applications and environmental compliance
• Distinguish from fumarate esters which follow similar but separate classification