For professionals in the chemical and rubber industries, understanding the specific properties and applications of key raw materials is essential. N-Cyclohexyl-2-benzothiazole sulfenamide, commonly known as CBS or Accelerator CZ, is a critical component in rubber vulcanization. This article delves into its chemical profile and highlights why sourcing this vital accelerator from reputable China manufacturers and suppliers is a strategic decision for procurement and R&D teams.

Chemically, N-Cyclohexyl-2-benzothiazole sulfenamide (CAS No: 95-33-0) is a sulfenamide accelerator. Its molecular formula is C13H16N2S2, with a molecular weight of approximately 264.41 g/mol. It typically presents as an off-white to cream-colored powder or granule, with a melting point of 98°C or higher. Its solubility in common organic solvents like benzene, acetone, and chloroform, while being insoluble in water, makes it highly compatible with rubber matrices and processing aids. This compatibility is key to its effectiveness in rubber compounding.

The primary function of CBS is to act as a vulcanization accelerator. It significantly speeds up the cross-linking process between rubber polymers and sulfur, which is fundamental to enhancing the rubber's physical properties such as elasticity, strength, and durability. What sets CBS apart is its delayed action, providing excellent scorch resistance. This safety feature is invaluable for manufacturers, allowing for safer processing and preventing premature curing, which can lead to material waste and reduced product quality. The shortened vulcanization time that follows the scorch period contributes to efficient production cycles.

The applications of CBS are extensive, particularly within the tyre manufacturing sector. It is used in passenger car tires, moto tires, truck tires, agricultural and forestry tires, and construction tires. Beyond tyres, it finds extensive use in the production of hoses, adhesive tapes, rubber shoes, and various industrial rubber products like cables. Its ability to impart high tensile stress and excellent aging stability makes it a preferred choice for products requiring longevity and performance under demanding conditions.

For procurement managers and research scientists seeking to buy N-Cyclohexyl-2-benzothiazole sulfenamide, choosing a supplier from China offers distinct advantages. China has a robust chemical manufacturing sector, providing access to high-quality products at competitive prices. Partnering with a well-established manufacturer ensures a stable supply chain, stringent quality control, and often, technical support to optimize product usage. When you search for a reliable manufacturer of CBS accelerator, consider those with proven track records and certifications.

In summary, N-Cyclohexyl-2-benzothiazole sulfenamide (CBS/CZ) is an indispensable rubber accelerator offering a unique combination of scorch safety, cure efficiency, and performance enhancement. Its widespread application across the rubber industry underscores its importance. For businesses worldwide, leveraging the manufacturing capabilities and competitive pricing available from China-based suppliers of CBS accelerator can be a significant step towards optimizing rubber product quality and production costs.