CBS Benzothiazole Sulfenamide Accelerator from Mexico
CBS (CZ) is N-Cyclohexyl-2-benzothiazole sulfenamide, chemically related to named NOBS in HTS 2934.20.1500 via benzothiazole structure. Provides excellent processing safety for automotive rubber components.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Commercial invoice must specify exact chemical name and CAS 95-33-0 to match statistical reporting
• Temperature-controlled shipping documentation prevents degradation claims affecting purity classification
• Avoid generic 'rubber chemical' descriptions that trigger Chapter 38 mixture classification