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What to use for cleaning switches, pots and rotary encoders?

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analogix:

--- Quote from: madires on March 17, 2017, 11:31:26 am ---I got good experience with Teslanol Tuner Spray (all-in-one solution, not aggressive). And it's not expensive.

--- End quote ---

Today I found a local computer shop selling Teslanol Oszillin T6 which, according to its description appeared to be something similar to Deoxit D5, so I bought it!
Is this the one you mean? It appeared to do more than just clean, which is what I've understood I need (lubricate as well as clean the contacts, so as not to cause excessive wear and damage when used).

Here's also some more info where it says:

--- Quote ---Does not influence any frequencies in the VHF/UHF range, quickly eliminates contact resistances, impregnates against moisture and soiling. Particularly yielding agent with micro sliding film that preserves the contacts and prolongs their functionality. Does not require any post-treatment as it also cleans, cares and protects high-grade contact elements and connectors in a single pass. Reduces abrasion of thin metal layers and protects damaged precious metal layers against corrosion.
--- End quote ---

But I found a comment where someone said that he prefers Deoxit instead of Oszillin because Deoxit is less aggressive (edit:text made BOLD by me):

--- Quote ---Because I treated myself a while back and got a whole whole assortment of Caig Labs products, I chose the DeOxit solution. Worked like a charm and the investment paid for itself instantaneously. This stuff is impressive and I prefer it over the more aggressive “Teslanol Oszillin T6” (yes, that’s a real product) which is the standard over here.
--- End quote ---
Do I need to worry?

Actually I found a local company which imports Hosa/Caig products, but they wouldn't/couldn't import Deoxit because of the air-freight restrictions of such chemicals (which I find strange considering there are lots of other chemicals from abroad which are easy to get hold of). Oh well.....

The safety datasheet is available here (German, and scroll down in the document to page 19 for English) along with more info (scroll down and click on "Download and support"). I'm no chemist and can't make much sense of it  ???

madires:
Yes, Oszillin T6 is the tuner spray. I'm using it for pots, switches and contacts for years and haven't noticed any aggressive reaction yet. If I need something more aggressive, like for heavy duty connectors with some corrosion, I use Kontakt 60 first to clean the contacts and then Oszillin T6 for lubrication and protection. Another option is Vaseline (Kontakt 701) which is great for poles of car batteries and other stuff exposed to the elements.

analogix:
You say you've been using Oszillin T6 for pots.
Well, I might have done something stupid in my attempt to clean up an old synthesizer...

I sprayed Oszillin T6 into all its pushbutton switches and also a rotary encoder. I haven't tried it yet but expect it to help the contact problems.
And for the potmeters I sprayed a little bit of Deoxit F5 "Fader" into one of them, only to experience that the original smooth and slow action had gone and instead the potmeter was "scratchy" and feeling "cheap" to turn!
Having read so many good things about Deoxit and paying good money to buy it from the U.S. I expected the totally opposite.
Maybe I should have used some sort of thick grease instead? If so, what should I look for?

How does Oszillin T6 work with potmeters? Does it also remove the smooth feeling action? At least it appears to be a very thin liquid.
And is it safe with plastics? I sprayed it into some tactile pushbutton switches (since I couldn't open them all) and read that Servisol (which was recommended earlier in this thread) isn't plastic safe at all. Hopefully Oszillin is different.

madires:
For lubrication with grease I'd use vaseline. And so far I haven't had any issues with potentiometers treated with Oszillin T6, but I haven't used it for slide potentiometers yet.

joseph nicholas:
Vasaline works great for the range switch on your DMM.  Been using it for years. 

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