I have a tube of Dupont Krytox lubricant and wanted to now if it would be okay to use on the threads and o-rings or if there is a preferred lubricant.
I would avoid it. It is a fluorine based lube used for systems that carry compressed oxygen. It can mess up anodizing. BTW, it is VERY expensive stuff…
Well as far as I know, Teflon like greases may infer with the conductivity of your threads. But Krytox may be different.
my convertible´s roof joints need to be lubricated with krytox according to vw, i already have 2 small tubes, and yes, its expensive. the best is to buy a convertible and use the lubricant on it
should be good for hinges supposed to impervious to water and migrates into small imperfections in metal however I am not sure how it work on a torch because of the electrical current so I would still like to know what lubricant is preferred to use on the threads and o-rings
Teflon will most certainly ruin the conductivity. PTFE (Teflon) is pretty amazing stuff.
For threads and o-rings, regular old silicone-based grease is still the best.
PPtk
Here’s a comprehensive grease and lube thread at CPF
Most silicone greases aren’t formulated specifically for lubrication. Somewhere, the label should indicate “lubricant” and not just “grease” or “compound” which are best just for sealing and di-electric properties.
NovaGard has many different formulations:
http://www.novagard.com/compounds/Dielectric-Silicone-Grease.html
I bought a BIG tube of the Dow Corning 111. It’ll last me a lifetime!:
http://www.harborfreight.com/catalogsearch/result?q=super+lube
I use Superlube, works great! You can get it at your nearest HF .
Seems like Krytox is a real bummer here: http://www.candlepowerforums.com/vb/showthread.php?179445
Superlube works great and I know I now have a lifetime supply of lube!
It’s not designed for that, so it won’t work, but that’s not a reason to say its garbage.
For the light contacts I use a loctite grease with copper. I know it’s not a good idea to mix copper with aluminum, but I had it around, and my lights are not that expensive that I have to treat them better than myself
so your saying that you use personal lubricant with pricey additives? 0:)
Yes… I’m probably saying that 
you can’t imagine the benefits of cooper grease in your private life (specially if your girlfriend is a roomba)
is she brushless? :bigsmile:
I was wondering what to use then I only asked about DuPont krytox.as I have twp tubes.from when I worked in aero space I just would like a general census because i am ordering two Ulatrafire C-8 LU3 and I want to make sure I have my ducks in a row so I don’t.have any problems I could.have prevented.
So Krytox is acceptable as a flashlight lubricant, but it’s performance isn’t on par with other lubes for the money.
However, since you have a surplus, it certainly will be fine for your application.
Highly recommend in this thread, but there have been mixed reviews.
If pyro is correct that it will mess up anodizing then you should be avoiding it, fluorine is nothing to mess with, last thing you want is to start slowly de-calcifying your bones
Yes it s fluorine based I am open to a general consensus to’ what s preferred and as far as I know threads are bare aluminum the anozidation is.the electrochemical bonding to protect the outside of the light.
Krytox isn’t a very good lubricant. It’s main purpose is in oxidizing (especially cryogenic) environments where normal lubricants become rock hard and/or burst into flame.
Yes, it’s amazing how well stainless steel burns in high pressure LOX.
For a general purpose petroleum grease, I recommend Phil Wood grease. Awesome stuff.
I use INOX MX3. It's used on commercial and farming machinery, and makes things silky smooth without buggering off for ages.
Made down-under, cheap as Chinese chips.