Butyl Rubber Powder for Tire Liners from Mexico
> Fine powder form of isobutene-isoprene (butyl) rubber (IIR) used in tire inner liner compounds, supplied in bulk bags. Powder is a primary form under Chapter Note 3(b), and the product is uncompounded, meeting the synthetic rubber definition in Chapter Note 4.
Duty Rate — Mexico → Canada
0%
Import Tips
• > Confirm the powder does not contain anti-caking agents or fillers beyond the permitted small amounts
• Provide a sieve analysis to show it is in powder form, not granules or crumbs, to support classification
• Keep the product free of contaminants to avoid reclassification as waste under heading 40.04