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29-12-2018, 08:39
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#1
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Registered User
Join Date: May 2014
Location: Key West, FL
Boat: Morgan Out Island 415
Posts: 881
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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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29-12-2018, 09:43
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#2
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Moderator

Join Date: Oct 2013
Location: Jacksonville/ out cruising
Boat: Island Packet 38
Posts: 31,469
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protection of small electronics
I often conformal coat the circuit boards.
It’s a coating made specifically for this and is often the difference in Marine electronics and regular electronics.
It’s 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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29-12-2018, 09:51
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#3
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Registered User
Join Date: May 2014
Location: Key West, FL
Boat: Morgan Out Island 415
Posts: 881
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Re: protection of small electronics
Quote:
Originally Posted by a64pilot
I often conformal coat the circuit boards.
It’s a coating made specifically for this and is often the difference in Marine electronics and regular electronics.
It’s 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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i was looking more for something to protect the contact points.
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29-12-2018, 11:56
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#4
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cruiser
Join Date: Jan 2017
Boat: Retired from CF
Posts: 13,304
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Re: protection of small electronics
Fluid Film, Lanocote, or Boeshield
Are all of them similar dielectrically?
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29-12-2018, 11:57
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#5
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cruiser
Join Date: Jan 2017
Boat: Retired from CF
Posts: 13,304
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Re: protection of small electronics
Quote:
Originally Posted by a64pilot
I often conformal coat the circuit boards.
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Any caveats or downsides?
link to reco products?
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29-12-2018, 12:31
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#6
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Moderator

Join Date: Oct 2013
Location: Jacksonville/ out cruising
Boat: Island Packet 38
Posts: 31,469
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Re: protection of small electronics
Quote:
Originally Posted by dwedeking2
i was looking more for something to protect the contact points.
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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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29-12-2018, 12:33
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#7
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Moderator

Join Date: Oct 2013
Location: Jacksonville/ out cruising
Boat: Island Packet 38
Posts: 31,469
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Re: protection of small electronics
Quote:
Originally Posted by john61ct
Any caveats or downsides?
link to reco products?
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Pain to apply as it requires getting to the boards.
I just swiped mine from work forget the name, but think it’s 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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29-12-2018, 12:52
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#8
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cruiser
Join Date: Jan 2017
Boat: Retired from CF
Posts: 13,304
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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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29-12-2018, 14:19
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#9
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Registered User
Join Date: May 2014
Location: Key West, FL
Boat: Morgan Out Island 415
Posts: 881
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Re: protection of small electronics
Quote:
Originally Posted by a64pilot
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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thank. I've ordered some
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30-12-2018, 09:51
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#10
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Registered User
Join Date: Dec 2013
Location: Fort William, Highland, Scotland
Boat: Bavaria Cruiser 40
Posts: 909
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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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