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Re: oil filled resonators
On Thu, 17 Oct 1996, Tesla List wrote:
> Thanks for this valuable information. But this is rather
> distressing. It looks as if some of the "best" plastics for our work
> are in fact the worst when it comes to oil immersion.
> > Typical With
> > Common Trade Mineral
> > Symbol: Name Oil
> > ======= ========= =======
> > PP - C
> > C: Moderate Attack. Limited Life
> Polypropylene scores a "C" and Lexan!! :(
> Polyethylene scores "B" as does PMMA :(
> Enjoy? I think not but definitely worth knowing!
> Malcolm
I would definitely not agree with PP specs above!! I have PP caps that are
oil immersed and good after about three years..
I'd guess that it depends a LOT on the issua of what kind of a
xformer oil one uses.. Some may be more reactive than others..
Kristian Ukkonen.
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| Kristian Ukkonen | Do as thou wilt shall be the whole of the law |
| kukkonen-at-alpha.hut.fi |_____ Chance favours the prepared mind |-------
| http://www.hut.fi/~kukkonen | Fear is the mind-killer |---------
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