A medium molecular weight polyethylene glycol used as a cure activator in silica and mineral reinforced compounds. It is used in both natural and synthetic elastomers and also acts as a process aid and internal lubricant to improve processing.

A high molecular weight polyethylene glycol used as a cure activator in silica and mineral reinforced compounds. It is used in both natural and synthetic elastomers and also acts as a process aid and internal lubricant to improve processing.