A medium fast primary accelerator suitable for NR,IR,SBR,NBR,HRand EPDM. ... /alkali with lower concentration.Applications A medium fast primary accelerator suitable for NR,IR,SBR,NBR,HR and EPDM. ... Anoutstanding delayed action accelerator.Top effective and state when used at ordinary processing ... 300.40Residues(150um),≤0.050.050.10 White powder rubber accelerator CBS(CZ)