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Topic # 57974 3-Mar-2010 08:26
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I'm fixing a friends old xbox which has worn mount-pins on the ac socket which has caused it to arc and blow the fuse, replacing the fuse and resoldering the socket is no big deal but I'd rather secure the socket in a stronger fashion, which given the design pretty much means a healthy dose of araldite. Now, before I risk blowing it up by possibly bridging something, is araldite even remotely conductive in a cured state?

Alternatively, whats the hard rubbery compound called that is usually used on components for stability as that obviously be better for the job if I can find some.

Cheers,

Steve.




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  Reply # 303893 3-Mar-2010 10:24
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Hmm, I'd be a little suss with Araldite - it maybe hydroscopic, even when cured. Or it seems to attract dust etc to the surface, and then that gets damp.

Here's a doc that I found with google:
http://www.gsi.de/informationen/wti/library/scientificreport2005/PAPERS/INSTRUMENTS-METHODS-24.pdf

The black stuff is what is known as potting mix / compound - and you can't get it at the local garden shop :-)

Bit expensive for a one-off fix job:
http://www.tradetech.co.nz/shop/Tools+Cleaning+Products++Solder+Solutions/Electrolube+Products/ER200...

Alternatively, a good solid layer of Silicone sealant over the top of the hardened araldite will do the job to several Kv. Just make sure the sealant has thoroughly cured before throwing the big switch ....




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  Reply # 303947 3-Mar-2010 12:20
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Thanks for that, come to think of it, I wonder if that's all the existing stuff was, it certainly quacks like silicone sealant. $60 odd for the potting mix for a job I'm doing for a dozen beer is certainly a bit much :)

I came across that same article later on which doesn't bode well for using araldite, keeping water away from 240V = a good thing.






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  Reply # 304244 4-Mar-2010 00:20
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I wonder if you could use the ceramic thermal adhesive commonly used to attach ram heatsinks to ram chips on video cards and what not.

eg: Arctic Alumina
http://www.arcticsilver.com/arctic_alumina_thermal_adhesive.htm

~$23 from Ascent

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