Rubber Accelerator TMTM Chemical Name: Tetramethyl thiuram monosulfide Molecular Formula: C6H12N2S3 Molecular Weight: 208.4 CAS NO: 97-74-5 Appearance :Yellow powder Initial M.P.οC≥ 105.0 Loss on drying%≤ 0.30 Ash%≤ 0.30 Residues on150μm sieve, %≤ 0.10 Application: Generally used as a secondary accelerator or as a booster for sulphonamides to achieve faster cure rate Distinguished by very good processing safety in comparison with other thiurams, high curing activity and no discoloration. No cure activilty in the absence of added elemental sulphur. An excellent accelerator for polychloroprene in association with DPG and Sulphur. It's critical temperature is 121οC.