I want to weather proof a small circut.
I know the oems sometimes use a glue or an epoxy to weather proof small circuits. does anyone have experience with this perhaps a 2 part epoxy would be fine? any thoughts on what type of glue to use or what not to use?
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look up "potting" for what you wanna do. you can buy it quite a few places. like electronics parts stores or mcmaster or amazon even.
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Originally Posted by psreynol
(Post 881035)
does anyone have experience with this perhaps a 2 part epoxy would be fine?
If you're covering a larger area such as a circuit board, you can get conformal coating in a spray can: http://www.mouser.com/ProductDetail/...Nj3ikaWEFdc%3d This is the stuff that the "pros" use for weatherproofing PCBs. It goes on very thin, like a paint. Doesn't provide any strain relief for things like wire-to-board joints, but is fast and easy to apply, and doesn't add any bulk. |
What joe says is dumb.
Just go buy some 100% silicone caulk and spoodge the ever living fucky out of it. |
1 Attachment(s)
Originally Posted by Joe Perez
(Post 881118)
If you're covering a larger area such as a circuit board, you can get conformal coating in a spray can: http://www.mouser.com/ProductDetail/...Nj3ikaWEFdc%3d
This is the stuff that the "pros" use for weatherproofing PCBs. It goes on very thin, like a paint. Doesn't provide any strain relief for things like wire-to-board joints, but is fast and easy to apply, and doesn't add any bulk. https://www.miataturbo.net/attachmen...ine=1337899646 |
Wrap each connector in electric tape then "paint" it with liquid tape. If you have to open up the connector down the line simply cut into the tape and it will be simple and clean.
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I was talking to the electronics guru in our shop today and he said just about any commonly available epoxy is fine, jb weld included. He did mentioned to NOT use any RTV sealants because the outgassing process they go through can ---- up electrical components.
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