Kavya Pharma

 gives very long scorch time and relatively slow full cure. It cause slightdiscoloration and cannot be used in light coloured articles, except as an activator. When it is used onits own, the resistance of the vulcanization to hot air and oxygen is poor. Accelerators of themercapto types are strongly activated by this product. It is used in moulding large NR basedtechnical goods where slow cure is required.