Fumaric Acid for Biodegradable Polymer Synthesis from Canada
Fumaric acid serving as monomer for poly(butylene fumarate) biodegradable plastics. As pure acyclic polycarboxylic acid, classified HTS 2917.19.1700 under Chapter 29 organic compounds.
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
• Provide polymerization scheme documentation for end-use verification
• Comply with EPA Safer Choice standards for green chemistry claims
• Test for residual maleic acid (<0.1%) per polymer specs