Methyl-silicone Oil Colorless,odorless,less volatile. Used as insulation, lubrication etc.. Work with a fusing machine Methyl-silicone OilColorless,odorless,less volatile.Used as insulation, lubrication etc..Work with a fusing machineEach set of fusing machine will be attach a bottle of Methyl-silicone Oil.One bottle use for 2 months.