DCBS (N,N-Dicyclohexyl-2-benzothiazolesulfenamide) is a delayed-action sulfenamide accelerator widely used in the rubber industry for the vulcanization of natural and synthetic rubber compounds. Compared with many conventional accelerators, DCBS provides exceptionally high scorch safety and a longer processing window, allowing manufacturers to process rubber compounds at elevated temperatures while minimizing the risk of premature vulcanization. DCBS is particularly suitable for demanding applications where extended processing time and controlled cure characteristics are required. It is commonly used in the production of tires, conveyor belts, hoses, automotive rubber components, seals, gaskets, and other technical rubber goods. Its delayed cure onset enables improved flow properties during molding and extrusion while ensuring efficient crosslinking during vulcanization. The product is typically supplied as an off-white to pale yellow powder or granules and offers excellent compatibility with a wide variety of rubber compounds. DCBS contributes to enhanced mechanical strength, durability, heat resistance, and long-term performance of finished rubber products. It is frequently used in combination with secondary accelerators such as DPG or thiurams to optimize cure rate, scorch resistance, and overall compound performance. Due to its excellent balance of processing safety and vulcanization efficiency, DCBS is widely recognized as a preferred accelerator for high-performance rubber applications requiring consistent quality, manufacturing reliability, and superior end-product properties.
Delayed-action sulfenamide accelerator providing exceptional scorch safety and controlled vulcanization performance.
| CAS Number | 4979-32-2 |
|---|---|
| HS Code | 2934208090 |
| EC Number | 225-625-8 |
| UN Number | Not classified as a UN dangerous goods substance in the ECHA registration information. |