Isoprene-Isobutene Copolymer Bale from Mexico
> Standard isobutene-isoprene copolymer rubber bales for general molding applications. Bales are a primary bulk form under Chapter Note 3(b), and the rubber is uncompounded, meeting the synthetic rubber definition in Chapter Note 4.
Duty Rate — Mexico → Canada
0%
Import Tips
• > Confirm the bales are not mixed with other polymers or rubbers that would change classification
• Provide the copolymer ratio to verify it is isobutene-isoprene, not another copolymer
• Keep the bales in their original packaging to avoid contamination