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Re: Cables and connectors - casting

2005-01-21 by Steve

--- In Homebrew_PCBs@yahoogroups.com, Norman Stewart
<normstewart@a...> wrote:
> 
> 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.

Or use polyurethane rubber. You can get it in many different grades of
flexibility, from hard as a rock to so soft it is sticky. I think
those sticky lint rollers are made from a grade of polyurethane rubber.

Steve Greenfield

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