Krytox lube made by DuPont. This is perfect to use for lubricating the sliders or springs of switches.
There are two versions available, GPL105 and GPL106. They are essentially the same, with one characteristic different, 106 is thicker in viscosity than 105. The thickness you prefer is down to your own preference choose GPL106 if you’d like a bit more dampening as well as lubrication.
This product is for tubes of 5ml.