Solution Styrene Butadiene Rubber (SSBR) from United States
Solution-polymerized styrene-butadiene rubber (SSBR) in crumb form, a synthetic rubber that is predominantly butadiene with a minor styrene content. The crumbs are uncompounded and retain the essential character of raw butadiene rubber for high-performance tires. It meets the vulcanization and recovery tests of Chapter 40 Note 4.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the styrene content is minor and the rubber is predominantly butadiene; if styrene is the major component, it may fall under SBR headings
• Provide documentation showing the crumbs are uncompounded and free of prohibited additives
• Verify the rubber meets the elongation/recovery criteria of Note 4