Garey Barrell <[EMAIL PROTECTED]> made an utterence to the drakelist gang ---------------------------------------------------------------------- Ron -

We used "Pink Pearl" erasers, both wedge and draftsman's (you remember those, don't you?) electric erasers, primarily to remove the gold plating from solder pads on PC boards, at NASA back in the 60's. The boards were cleaned with Freon TF (you remember that too, right?) afterwards before soldering.

I would never use an "ink" eraser, the ones with abrasive material included, on electronics. Particularly on card edge connector pads. I have seen cards with tin or gold plating removed down to bare copper with those things!

73, Garey - K4OAH
Atlanta

Drake C-Line Service Manual
<http://hr99.home.mindspring.com/R-4C_Servicez/>



Ron Wagner wrote:


Ron Wagner <[EMAIL PROTECTED]> made an utterence to the drakelist gang
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Is using an eraser to clean anything a good idea? I though that most erasers has a sulfur in it and caused more corrosion? Can someone set me straight on this?
73,
Ron


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