Polymerized Isobutylene Rubber Powder from Mexico
> Powdered polymerized isobutylene-isoprene rubber for various applications. Powder is a primary 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 powder is not mixed with other polymers or additives that would change classification
• Provide a particle size analysis to show it is in powder form
• Ensure the powder is free of contaminants to avoid reclassification as waste