rubber accelerator mbs(nobs,mor) chemical name: n-oxydienthylene-2 benzothiazole sulfenamide cas no.: 102-77-2 appearance light yellow or orange colour pellets melting point c min 80 heating loss % max 0.5 ash content %max 0.3 application: the product is an excellent delayed accelerator. mainly used in manufacture of tires, for example, thick section pressed products, rubber shoes and rubber tubes, specially suitable for synthetic rubber mixture with fine grain furnace carbon black.