Dimer acid from China
Dimer acid is an oligomeric cyclanic polycarboxylic acid produced by clay-catalyzed dimerization of unsaturated fatty acids. It is classified under tariff item 2917.20.00 as a cyclanic polycarboxylic acid, despite its polymeric nature, because it is a chemically defined organic compound. This product is commonly used as a building block for polyamide resins, adhesives, and corrosion inhibitors.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the dimer acid is clearly identified as a chemically defined cyclanic polycarboxylic acid to avoid misclassification
• Provide a Certificate of Analysis or technical data sheet to the CBSA if requested
• Verify the MFN duty rate for 2917.20.00, as preferential rates may apply under free trade agreements if the country of origin qualifies