Polysebacic Acid Polymer from Mexico
Polysebacic acid polymer is a low molecular weight oligomer of sebacic acid, used in drug delivery systems. Although it is a polymer, it is classified as a derivative of sebacic acid under this tariff item because it does not meet the definition of a polymer for tariff purposes.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the molecular weight is below 1000 Da to qualify as an oligomer under this tariff item
• Have technical documentation ready to confirm the product is not classified as a polymer elsewhere in the tariff