rubber chemical M (MBT) 1.It is used in tire manufactury. 2.suitable ... NR, SNR, IIT, IR SBR, NBR, and CR rubber chemical M (MBT)Chemical name2-MercaptobenzothiazolesynonymsM,MBTMolecular formulaC7H5NS2Molecular weight167.26CAS No.149 ... time is 2 years.Product standardGB/T 11407-2003 itemsclassificationpremier1 st classcertifiedAppearance °C Light yellow or grayish white powderMelting point more ...