High MW Polyisobutene Pellets from United States
High MW Polyisobutene Pellets are high molecular weight polyisobutene pellets with more than 95% isobutene units, used for asphalt modification and sealants. In primary form, these pellets fall under tariff item 3902.90.00 as 'Other' olefin polymers, since isobutene is not specifically named in heading 3902.
Duty Rate — United States → Canada
0%
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Import Tips
• Document the isobutene content (95%+) to support classification as polyisobutene under 3902.90.00
• Ensure the product is in primary form (pellets) and not further processed
• Verify the CBSA duty rate, as it may be subject to trade agreement preferences