... for NR,IR,SBR,NBR,HRand EPDM. Properties Grayish white powder with a little odor ,no poison.The density is 1.31 ... ,acetone,ethylacetate,insolubleinwater ,gasoline,acid/alkali with lower concentration.Applications A medium fast primary accelerator suitable for NR,IR,SBR,NBR ... ,≤0.200.300.40Residues(150um),≤0.050.050.10 White powder rubber accelerator CBS(CZ)