What is Nobs used for?

Application: NOBS is an excellent delayed accelerator for NR, NR-BR blends, NR-SBR blends and other highly unsaturated synthetic rubber-based compounds. Its performance is similar as CZ with better scorch safety.

What is the difference between CBS and Nobs?

3. CBS can be used instead of, will not produce N-nitrosamines accelerator, it is equivalent to replace NOBS, the vulcanization rate is quite. Scorch slightly better performance than NOBS and CZ, vulcanized rubber and NOBS physical properties are also quite widely used in urban tires and other rubber products.

Does MBS produce nitrosamines?

MBS produce nitrosamines, tire manufacturers in western developed countries and regions have stopped using the accelerator, the domestic is still using this product. Tire often add a small amount of thiuram accelerator as a second accelerator, the commonly used species is tetramethylthiuram disulfide TMTD, the product can produce nitrosamines.