TBBS (N-tert-Butylbenzothiazole-2-sulfenamide) is a delayed-action sulfenamide accelerator widely used in the vulcanization of natural rubber and synthetic elastomers. It offers an excellent balance of scorch safety, processing stability, and fast curing performance, making it one of the most widely used accelerators in modern rubber manufacturing. TBBS is particularly valued for providing long processing safety during mixing and shaping operations while delivering efficient vulcanization at curing temperatures. TBBS is extensively used in the production of tires, conveyor belts, hoses, footwear, industrial rubber goods, automotive components, seals, gaskets, and molded rubber products. Its delayed cure characteristics help prevent premature vulcanization during processing, allowing improved productivity and greater manufacturing consistency. The product is typically supplied as a white to off-white powder or granules and demonstrates excellent compatibility with natural rubber, SBR, BR, and other synthetic rubber compounds. TBBS contributes to improved tensile strength, abrasion resistance, elasticity, heat resistance, and overall durability of finished rubber products. TBBS is frequently used either as a primary accelerator or in combination with secondary accelerators such as DPG, TMTD, and MBTS to achieve optimized cure rates, improved crosslink density, and enhanced physical properties. Due to its reliable processing characteristics and superior performance, TBBS remains a preferred accelerator for high-performance rubber applications worldwide.
Delayed-action sulfenamide accelerator providing excellent scorch safety and high vulcanization efficiency.
| CAS Number | 95-31-8 |
|---|---|
| HS Code | 2934208090 |
| EC Number | 202-409-1 |
| UN Number | 3077 |