Homebrew PCBs

The big problem with the hardware store silicone (and this 
goes for the industrial grades too) is that the inexpensive 
ones  release acetic acid in the curing process.  This 
attacks copper - wires, circuit boards, etc.  Find a 
silicone that doesn't have a vinegar smell to it as it cures.

Norm
Stefan Trethan wrote:
> On Thu, 20 Jan 2005 20:09:18 -0000, Dale Mosby <dale@...> wrote:
> 
> 
>>I was defnitely looking for something quite inexpensive - on the
>>order of my investment in toner transfer PBC process. I would not
>>mind the expense of a vacuum chamber to remove bubbles from rubber.
>>I have heard the warnings against using hardware store
>>Silicon "calking" for electrical wire potting.  I have tried potting
>>connectors using some automotive gasket compound. While that had a


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