All Questions
Tagged with potting conformal-coating
8 questions
6
votes
1
answer
2k
views
Can you tell me more about "re-enterable" potting compound?
I heard the term "re-enterable potting compound", which is a gel-like (possibly hard?) material that can be used to fill electronics enclosures for water intrusion protection and other things.
What ...
- 258
1
vote
1
answer
170
views
Conformal coating compatibility - parylene- or polyurethane-based vs aqueous NaSiO4
How compatible are parylene-based or polyurethane-based conformal coatings for tin-whisker mitigation with aqueous \$NaSiO_4\$ (sodium silicate) conductive coatings used for EMI\RFI\ЕSD protection in ...
- 409
5
votes
2
answers
1k
views
Waterproof enclosures
I have a simple farm gate monitor which I'd like to put in a rugged waterproof enclosure to keep it dry enough to operate outside for approximately ten years with no maintenance other than the ...
- 51
2
votes
1
answer
749
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High failure rates after pcb coating using DC 3140 RTV
We have been protecting PCBs using Dow Corning 3140 for many years now without any problems. Last couple of months however, one board after the other is failing after coating. We can't think of any ...
9
votes
2
answers
752
views
Pour-and-drain conformal coating as an alternative to potting
Is there a standard process to pour conformal coating, similar to potting, but then drain the excess? The benefit of draining the excess is to reduce weight and get better cooling.
From my limited ...
- 703
4
votes
3
answers
4k
views
Removable/soluble potting compound?
Are there removable/soluble potting compounds that are moisture-proof yet removable without damaging electronic components? I've been able to plunge-mill potted devices to get near enough to ...
- 703
20
votes
7
answers
54k
views
What's the best way to protect a board from corrosion in a hot/moist environment?
Some of my projects need to live outside for long periods. Sometimes, moisture gets into the enclosures. That means that a circuit board might be sitting around in contact with water for hours on ...
- 2,529
15
votes
10
answers
2k
views
Does this exist: Insulating material to cover circuit
For example when you build a circuit you have the board and the components between them is air.
Is there a clay like material that will act like air does?
Application: you could bundle simple ...
- 407