DON'T BUY IT. Looked up a bunch of reviews online, and basically it's junk. It's as thick as water, takes forever to dry, isn't THAT conductive, and you have to use super glue on top of it.
I bought some to experiment with a while back when it wsa fist mentioned in these forums. I ran teast with it on a sheet of styrene and a test meter.
It beads up like water based ink, it does not stick to anything well and it is a poor conductor.
A potentially great idea, but it just does not work as advertised. If you want to run a painted on type of circuit I would recommend just using foil instead.
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It is how you deal with it that tells the world who you truly are.
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