Chlorinated Styrene-Butadiene Rubber (Cl-SBR) from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide copolymer ratio docs; <95% shifts per note (a)(4)
• Ensure bales are primary, not sheets (3920)