... suitable for NR,IR,SBR,NBR,HRand EPDM. Properties Grayish white powder with a little odor ,no poison.The density ... IR,SBR,NBR,HR and EPDM.Anoutstanding delayed action accelerator.Top effective and state when used at ordinary processing temperatures, ... hos sunshine.Specification ItemTop GradeFirst GradeQualified GradeAppearance(Visual Inspection)Gray-White powderInitial.M.P.≥99.098.096.0Loss on Drying,≤ ...