Vinyl Ester Pre-Polymer Resin from United States
Methacrylate-capped unsaturated polyester pre-polymer known as vinyl ester for chemical tanks and pipes. It is technically an unsaturated polyester derivative in primary form and classified under tariff item 3907.91.00 as 'other' since it does not meet specific subheading criteria.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the resin is in primary form and unsaturated
• Vinyl ester resins are classified as unsaturated polyesters; ensure the methacrylate capping does not alter the classification
• Provide the CBSA with the resin's chemical structure for verification