... .Powder/oil powder/granular 3.Tetramethyl thiuram disulfide 4.Good color retention Properties Grayish white powder with a little odor ,no ... ,insolubleinwater ,gasoline,acid/alkali with lower concentration.Applications A medium fast primary accelerator suitable for NR,IR,SBR,NBR,HR and ... .400.50Ash,≤0.300.40Residues(150um),≤0.100.10 Good color retention rubber accelerator TMTD