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.

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.

Which sulfide vulcanization accelerator is used in tire production?

Sulfide vulcanization accelerator commonly used in tire production are sulfenamide accelerator and thiazole accelerator.

Which thiuram accelerator is used to make nitrosamines?

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. A common species used in sulfur donors is dithiodorphorphine DTDM, which also produces nitrosamines.