Tetrabenzyl thiuram disulfide. A fast curing primary or secondary accelerator in NR, SBR and NBR applications. Safer for processing than TMTD because it provides longer scorch times. Also used as a retarder in the vulcanization of PVC rubber. Developed to replace thiurams such as TMTD where the presence of nitrosamines is of concern.
Available in. America, Asia, EMEA, India. Chemical Composition. 1,3-diphenylguanidine (DPG) Appearance / Supply Form. white to light pinkish granules, low dust. Applications. most popular accelerator of the guanidine class, suitable for NR, IR, BR, SBR, NBR and CR and also for polymer latices.