[Boatanchors] Tube Base Glue

[J. Forster]

Could be, but I found that somewhere years ago.

The bond with epoxy is too strong, IMO.

-John

==================



> I don't think soureisen was used, except on high power tubes where it
> could
> be cured (fired).  The basing and cap cement contains phenolic resin,
> shellac, rosin, marble flour, denatured alcohol, malachite green and
> silicone resin.  It was cured for about an hour at 150-190 C.  (from RCA
> Electron Tube Design (1962).  I find that many of the Hysol industrial
> epoxies work well, and cure quickly if the tube is operated after
> application.
>
> Scott W7SVJ
>
> -----Original Message-----
> From: Boatanchors [mailto:boatanchors-bounces at puck.nether.net] On Behalf
> Of
> J. Forster
> Sent: Saturday, October 12, 2013 7:17 AM
> To: Michael Tauson
> Cc: 'BOATANCHORS'
> Subject: Re: [Boatanchors] Tube Base Glue
>
> "Superglue" is not void-filling. I'd use clear RTV (silicone rubber) or
> possibly Gorilla Glue (untried).
>
> -John
>
> ==============
>
>
>> There's nothing wrong with superglue.  Heck, I use it to glue my
>> fingers together all the time. :-D
>>
>> Best regards,
>>
>> Michael, K3MXO, A&P 1803851
>> "Human beings, who are almost unique in having the ability to learn
>> from the experience of others, are also remarkable for their apparent
>> disinclination to do so." - Douglas Adams
>> http://www.nationalmssociety.org/chapters/NTH/index.aspx
>> http://wh7hg.blogspot.com/
>> http://kludges-other-blog.blogspot.com
>> Hiki Nô!
>>
>> -----Original Message-----
>> From: Boatanchors [mailto:boatanchors-bounces at puck.nether.net] On
>> Behalf Of Wilson
>> Sent: Friday, 11 October, 2013 14:52
>> To: BOATANCHORS
>> Subject: [Boatanchors] Tube Base Glue
>>
>> I’m not the only one to have superglue problems!
>> http://theradioboard.com/rb/viewtopic.php?f=3&t=1841&sid=3e8d72abfacef
>> 0ba169
>> f63bb1533f748&start=15
>> Wilson
>> W4BOH
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>>
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>>
>
>
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