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Sell rubber accelerator CBS. of application. It is a sulfenamide accelerator with the highest activity in EPDM. Packing:25kg in kraft paper bag with PE bag inside,or as customer request. Storage:Stored in cool, dry and draughty place; avoid direct sunlight; protect against moisture or high temperature. Shelf life is 1year.
- What is CBS sulfenamide?
- CBS (N-cyclohexyl-2-benzothiazolesulfenamide) is a widely used accelerator in rubber compounding. It is a sulfenamide type accelerator that is known for its fast cure rate and good scorch safety. CBS is commonly used in the production of tires, hoses, and other rubber products.
- What are sulfenamide accelerators?
- Recently the most frequently used sulfenamides are N-cyclohexyl-2-benzthiazol sulfenamide (CBS), N-tert-butyl-2-benzothiazol sulfenamide (TBBS) and dicyclohexyl-2-benzothiazol sulfenamide (DCBS). Sulfenamide accelerators are suitable also for EV and semi-EV systems.
- Why is CBS used in rubber compounding?
- CBS is known for its ability to improve the tensile strength, modulus, and elongation at break of rubber compounds. It also enhances the aging resistance and heat resistance of rubber products, making them more durable and long-lasting. CBS (N-cyclohexyl-2-benzothiazolesulfenamide) is a widely used accelerator in rubber compounding.
- What are the benefits of a CBS accelerator for vulcanization?
- CBS is particularly effective in promoting the cross-linking of natural rubber and synthetic rubbers such as SBR, NBR, and EPDM. It is also compatible with other accelerators such as MBTS and TBBS, which can improve the efficiency of the vulcanization process.
- Is CBS soluble in acetone or benzene?
- One of the key chemical properties of CBS is its ability to form sulfenamide bonds with the rubber molecules during the curing process. This results in the formation of crosslinks, which give the rubber its strength and elasticity. CBS is soluble in acetone, benzene, and toluene, but insoluble in water.
- How does CBS work in rubber vulcanization?
- CBS is a thiazole-based accelerator that promotes the formation of sulfur cross-links between rubber molecules during vulcanization. It works by reacting with the sulfur and forming a complex that facilitates the cross-linking process. This results in a more stable and durable rubber product.
