Have a look at:

http://www.sandman.com/rubberb.html

There is also some good information on how to repair these buttons at that
page.

- Keelan Lightfoot

> I'm looking for a small quantity of conductive coating to
> repair a rubber membrane keypad.  I got some oil between
> the rubber membrane and the PC board.  Alcohol cleaned off
> the oil just fine.  But my overly vigorous scrubbing with
> a Q-tip also removed the conductive coating on a few keys.