Saturday, March 31, 2012

Cheap grease

Look, its non silicone high vacuum grease that doesn't cost alot like Apiezon does! I got this over the phone from a lab suppliers in the UK.


  1. I know this is a really old post but if you don't need 10^-5 Torr you can also use Dow Corning Vacuum Grease (vapor pressure of 10^-4). It usually runs around $4/oz here:

    1. Thats an interesting one. I'm a bit supprised that the listing doesn't say if its silicone based or not. That is the issue here. I'd like to keep silicone away from my chamber. Though the diff pump fluid...