Fumaric Acid for Unsaturated Polyester Resins from Canada
High-purity fumaric acid specifically for synthesizing unsaturated polyester resins in composites. As a separate chemically defined acyclic polycarboxylic acid, it falls under HTS 2917.19.1700 'other' per Chapter 29 scope.
Duty Rate — Canada → United States
14.2%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include end-use statement for resin manufacturing to support tariff preference claims
• Monitor for EU REACH compliance if transshipping through Europe
• Batch testing for APHA color (<20) ensures resin-grade specifications