Denso EFI potting=ack!

[eric schumacher]

There is no "solvent" for disolving the potting however there is a chemical
that will remove it. It is called Uresolve. I am at home right so can give
no other data.  I will look at the stuff tomorrow for the mfg address.  If
you send me an Email I will reply from the computer I will be at tomorrow
night.  The glass is probally microspheres.  They are added to lower the
density of the epoxy and to make it more gentle on the components.  Contrary
to many peoples expectations potting in epoxy can be extremely stressful to
electronic components.  When an assembly is depotted with Uresolve it is
hard to tell that it was ever potted.  As a side note there are vendors
around that will do the job for you.
Lotsa Luck Eric

At 09:51 PM 3/3/97 +0000, you wrote:
>
>Hey all,
>
>  The Suzuki TL1000S arrived on Friday.  It's fitted with a Denso ECU.
>There's no EPROM slot, and the production version of the box is 
>completely potted with the most satanic stuff I've ever seen.  It's 
>like RTV with lots of ground glass mixed in... Is this an industry 
>standard potting material?
>
>It's hell to chip off and the crunching noises sound exactly like the
>cruching a DIP would give off while being destroyed. (!)
>
>The catch is, we have to be very careful, because the bike is a brand new 
>model and there are no parts in the pipeline yet.  (and it has it's first
>race in 4 weeks.) 
>
>Has anyone encountered this horrible stuff and if so, is there any safe 
>solvent for it that won't harm the board?
>
>                                   - Chris
>
Lotsa Luck Eric