... accelerator suitable for NR, IR, SBR, NBR, HR and EPDM. ProductRubber accelerator CZ(CBS) Molecular Formula: C13H16N2S2Molecular ... causing no scorches. Vulcanized show excellent physical property and quick complete. Usually used alone, when activated by ... DPG, TMTD and TMTM. Packaging:25 KG,Polypropyrene knitted bags lined ... . rubber accelerator CZ(CBS) powder and grain