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Protection for the Pince Lucas of Darkness

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Re: Ding-ding!!!

Yeah you are right, sometimes I get all wound up. /bcforum/images/%%GRAEMLIN_URL%%/frown.gif However, in retribution I am going over to the vendors and do a "Customer Review" after which I am betting they will cut the reduced price by another 50%. I hope that will help you out next time you purchase. /bcforum/images/%%GRAEMLIN_URL%%/cheers.gif--Keoke- /bcforum/images/%%GRAEMLIN_URL%%/laugh.gif
 
Several years ago, we were having problems with a batch of switches on one of our products. It was switching a low voltage interface control signal and was failing ( the connection was going to a high ohm state ). It turned out the the vendor had decided on his own to stuff the switches full of dielectric grease to try and prevent corrosion. It turned out to have the opposite effect because whatever keeps out moisture and air, can also trap the moisture in and cause more of a problem than if left " greaseless ". The moral of the story is that a lot depends on " how " the grease is applied and the environment it is going into. Nearby plastic, ( wire insulation), is probably out gassing all kinds of chemical compounds that cannot escape if trapped in the metal to metal contact area by grease of any type. Some of these compounds can speed up the corrosion process. So like everything else, there are pluses and minuses with using a dielectric grease and the
/bcforum/images/%%GRAEMLIN_URL%%/devilgrin.gif is in the details.
If you want to try and keep out all of the air and moisture from an electrical connection,
there is a product that is sold for boats that comes in a can with an applicator brush, it is a liquid plastic. I think it is just plastic wrap dissolved in acetone. You brush this liquid plastic all over the electrical connection and after it dries, it is not sticky and will not attract dirt, also it will not melt away over time like grease tends to do. The connection will be permanently sealed from the air.
 
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