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Old 29-12-2018, 07:39   #1
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protection of small electronics

since I've moved to Key West and am moored out (vs in a marina) I've noticed a dramatic increase in humidity. this has really shown up in the small connection points (usb, phone connections, connection tabs on my dewalt chargers) for my personal electronic devices. I have seldom used devices in pelican cases with dehumidifiers but is there a spray or something i can use too stop corrision before it starts on daily used items?
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Old 29-12-2018, 08:43   #2
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protection of small electronics

I often conformal coat the circuit boards.
Itís a coating made specifically for this and is often the difference in Marine electronics and regular electronics.
Itís a lot like clear fingernail polish and can be bought many places, Amazon for one. I swiped mine from work.
Of course the item has to be taken apart, I just brush the conformal coating on.
https://en.m.wikipedia.org/wiki/Conformal_coating
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Old 29-12-2018, 08:51   #3
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Re: protection of small electronics

Quote:
Originally Posted by a64pilot View Post
I often conformal coat the circuit boards.
Itís a coating made specifically for this and is often the difference in Marine electronics and regular electronics.
Itís a lot like clear fingernail polish and can be bought many places, Amazon for one. I swiped mine from work.
Of course the item has to be taken apart, I just brush the conformal coating on.
https://en.m.wikipedia.org/wiki/Conformal_coating
i was looking more for something to protect the contact points.
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Old 29-12-2018, 10:56   #4
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Re: protection of small electronics

Fluid Film, Lanocote, or Boeshield

Are all of them similar dielectrically?
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Old 29-12-2018, 10:57   #5
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Re: protection of small electronics

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I often conformal coat the circuit boards.
Any caveats or downsides?

link to reco products?
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Old 29-12-2018, 11:31   #6
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Re: protection of small electronics

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Originally Posted by dwedeking2 View Post
i was looking more for something to protect the contact points.


Silicone grease, AKA lightbulb grease. Reapply as necessary.
I fill plugs with it, plugs like IPAD charging plugs as I use mine as a plotter, also have a Bluetooth GPS on deck and a Garmin sat comm device, an insight? Maybe I forget the name, but they all charge via USB so I fill those with silicone grease
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Old 29-12-2018, 11:33   #7
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Re: protection of small electronics

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Any caveats or downsides?

link to reco products?


Pain to apply as it requires getting to the boards.
I just swiped mine from work forget the name, but think itís silicone based, smells like lacquer though and dries just like fingernail polish or model airplane paint, dries pretty quickly.
I know of no downside, but there always is something
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Old 29-12-2018, 11:52   #8
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Re: protection of small electronics

Yes just getting some gear apart can break it & void the warranty.

Some stuff like my non-marine 3kW charger,

likely (hopefully) won't be using too often,

I think I'll just keep in an airtight Pelican style case with moisture absorbing stuff.
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Old 29-12-2018, 13:19   #9
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Re: protection of small electronics

Quote:
Originally Posted by a64pilot View Post
Silicone grease, AKA lightbulb grease. Reapply as necessary.
I fill plugs with it, plugs like IPAD charging plugs as I use mine as a plotter, also have a Bluetooth GPS on deck and a Garmin sat comm device, an insight? Maybe I forget the name, but they all charge via USB so I fill those with silicone grease
thank. I've ordered some
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Old 30-12-2018, 08:51   #10
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Re: protection of small electronics

There's something called ContraLube which sounds like it might be just the ticket for what you want to do.

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