> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Peter L. Peres
> Sent: 20 June 2003 12:38
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: Lifted PCB pads
>
>
> > Cool! sounds like a good idea. Do you know if cyanoacrylate glues stand
> > up to re-soldering? Seems the heat might ruin the joint... Anyway, it'll
> > work for existing joints that have just come loose.
>
> CA produces deadly fumes when heated. Normally a PCB repair kit would use
> heat resistant epoxy instead of CA afaik. You can get quick setting epoxy
> rated for 250 deg. C. This will also release fumes when overheated but
> they won't kill or blind you outright like CA. If you use proper grade
> epoxy it should stand up to reworking.
>
> Peter
>
You have to get CA hotter than the average soldering iron for it to break
down and release cyanide.  You do of course need to take precaution to
prevent the normal super glue type fumes from getting anywhere near you, but
any half decent soldering station should have extraction facilities anyway.

All the PCB repair kits I have seen use CA for sticking down tracks.

Mike


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