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3911.90.70.00/Chlorinated Styrene-Butadiene Rubber (Cl-SBR)/Canada

Chlorinated Styrene-Butadiene Rubber (Cl-SBR) from Canada

Chlorinated copolymer of styrene-butadiene rubber, meeting 95% chlorinated unit threshold. Used in tire treads and conveyor belts for enhanced adhesion. 3911.90.70.00 for this primary chlorinated synthetic rubber.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Provide copolymer ratio docs; <95% shifts per note (a)(4)

• Ensure bales are primary, not sheets (3920)