CBS Rubber Accelerator (N-Cyclohexyl-2-benzothiazole sulfenamide) from Canada
CBS is a delayed-action sulfenamide rubber accelerator used primarily in tire manufacturing and other rubber products. It contains a modified aromatic benzothiazole structure, qualifying it for classification under HTS 3812.10.1000 as a prepared rubber accelerator with aromatic components.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Obtain Safety Data Sheets (SDS) verifying aromatic accelerator content; ensure EPA registration if applicable for chemical imports; check REACH compliance for EU-origin materials to avoid customs delays