Subject: Re: Secondary
From: "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>
Date: Tue, 3 Oct 1995 12:00:46 +1200
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> > And what about using a Silicon RTV type cement to attach the ends. This
> > stuff is deffinitly non-flamable and is hard to screw-up with.
> Good Question!
> Sounds great does it not? But... These adhesives leave a residual acetic
> acid vapor which is trapped in the coil form. The acetic acid is highly
> conductive and ionizes readily. Don't use these products in this par-
> ticular application.
There is a "neutral cure" silicone rubber available that doesn't emit
acetic acid fumes. We use it at work for sealing masthead preamps for
our satellite gear.