MBT (2-Mercaptobenzothiazole) is a thiazole-based primary accelerator widely used in the vulcanization of natural rubber and synthetic elastomers. It provides medium-fast curing characteristics, excellent compatibility with sulfur curing systems, and reliable processing performance across a broad range of rubber formulations. MBT is one of the most established and widely recognized accelerators in the rubber industry. MBT is commonly used in the production of tires, tubes, conveyor belts, hoses, footwear, rubber-coated fabrics, seals, gaskets, and various industrial rubber goods. It offers a balanced cure profile and contributes to improved tensile strength, elasticity, abrasion resistance, and overall durability of finished rubber products. The product is typically supplied as a yellow to pale-yellow powder and exhibits good dispersion in rubber compounds. Due to its effective vulcanization performance, MBT is frequently used alone or in combination with secondary accelerators such as TMTD, MBTS, CBS, and DPG to optimize cure rate, scorch safety, and final mechanical properties. MBT remains a standard accelerator for technical rubber applications where consistent curing behavior, processing reliability, and cost-effective performance are required. Its versatility makes it suitable for a wide variety of rubber manufacturing processes and end-use applications.
Thiazole-based primary rubber vulcanization accelerator providing reliable curing performance and excellent compound properties.
| CAS Number | 149-30-4 |
|---|---|
| HS Code | 2934202000 |
| EC Number | 205-736-8 |
| UN Number | 3077 |